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| | murG | N-acetylglucosaminyl transferase; Cell wall formation. Catalyzes the transfer of a GlcNAc subunit on undecaprenyl-pyrophosphoryl-MurNAc-pentapeptide (lipid intermediate I) to form undecaprenyl-pyrophosphoryl-MurNAc- (pentapeptide)GlcNAc (lipid intermediate II); Belongs to the glycosyltransferase 28 family. MurG subfamily. (382 aa) |
| | pheS | COG0016 Phenylalanyl-tRNA synthetase alpha subunit; Belongs to the class-II aminoacyl-tRNA synthetase family. Phe-tRNA synthetase alpha subunit type 1 subfamily. (349 aa) |
| | pheT | phenylalanyl-tRNA synthetase subunit beta; COG0073 EMAP domain; Belongs to the phenylalanyl-tRNA synthetase beta subunit family. Type 1 subfamily. (798 aa) |
| | A1C_03150 | DNA polymerase III subunit beta; Confers DNA tethering and processivity to DNA polymerases and other proteins. Acts as a clamp, forming a ring around DNA (a reaction catalyzed by the clamp-loading complex) which diffuses in an ATP- independent manner freely and bidirectionally along dsDNA. Initially characterized for its ability to contact the catalytic subunit of DNA polymerase III (Pol III), a complex, multichain enzyme responsible for most of the replicative synthesis in bacteria; Pol III exhibits 3'-5' exonuclease proofreading activity. The beta chain is required for initiation of [...] (379 aa) |
| | leuS | COG0495 Leucyl-tRNA synthetase; Belongs to the class-I aminoacyl-tRNA synthetase family. (870 aa) |
| | smpB | SsrA-binding protein; Required for rescue of stalled ribosomes mediated by trans- translation. Binds to transfer-messenger RNA (tmRNA), required for stable association of tmRNA with ribosomes. tmRNA and SmpB together mimic tRNA shape, replacing the anticodon stem-loop with SmpB. tmRNA is encoded by the ssrA gene; the 2 termini fold to resemble tRNA(Ala) and it encodes a 'tag peptide', a short internal open reading frame. During trans-translation Ala-aminoacylated tmRNA acts like a tRNA, entering the A-site of stalled ribosomes, displacing the stalled mRNA. The ribosome then switches to [...] (152 aa) |
| | recR | Recombination protein RecR; May play a role in DNA repair. It seems to be involved in an RecBC-independent recombinational process of DNA repair. It may act with RecF and RecO. (207 aa) |
| | A1C_03385 | DNA helicase II; COG0210 Superfamily I DNA and RNA helicases. (653 aa) |
| | A1C_03480 | Ribonucleotide-diphosphate reductase alpha subunit; Provides the precursors necessary for DNA synthesis. Catalyzes the biosynthesis of deoxyribonucleotides from the corresponding ribonucleotides. (607 aa) |
| | nrdF | Ribonucleotide-diphosphate reductase subunit beta; Provides the precursors necessary for DNA synthesis. Catalyzes the biosynthesis of deoxyribonucleotides from the corresponding ribonucleotides; Belongs to the ribonucleoside diphosphate reductase small chain family. (327 aa) |
| | A1C_03515 | Transposase IS200-family protein; COG1943 Transposase and inactivated derivatives. (65 aa) |
| | pnp | Polynucleotide phosphorylase/polyadenylase; Involved in mRNA degradation. Catalyzes the phosphorolysis of single-stranded polyribonucleotides processively in the 3'- to 5'- direction. (747 aa) |
| | rpsO | 30S ribosomal protein S15; One of the primary rRNA binding proteins, it binds directly to 16S rRNA where it helps nucleate assembly of the platform of the 30S subunit by binding and bridging several RNA helices of the 16S rRNA. (91 aa) |
| | A1C_03665 | COG0285 Folylpolyglutamate synthase; Belongs to the folylpolyglutamate synthase family. (429 aa) |
| | infC | Translation initiation factor IF-3; IF-3 binds to the 30S ribosomal subunit and shifts the equilibrum between 70S ribosomes and their 50S and 30S subunits in favor of the free subunits, thus enhancing the availability of 30S subunits on which protein synthesis initiation begins. (147 aa) |
| | prfA | Peptide chain release factor 1; Peptide chain release factor 1 directs the termination of translation in response to the peptide chain termination codons UAG and UAA. (355 aa) |
| | A1C_03765 | Single-stranded-DNA-specific exonuclease RecJ; COG0608 Single-stranded DNA-specific exonuclease. (587 aa) |
| | trpS | tryptophanyl-tRNA synthetase; Catalyzes the attachment of tryptophan to tRNA(Trp). Belongs to the class-I aminoacyl-tRNA synthetase family. (330 aa) |
| | priA | Primosome assembly protein PriA; Involved in the restart of stalled replication forks. Recognizes and binds the arrested nascent DNA chain at stalled replication forks. It can open the DNA duplex, via its helicase activity, and promote assembly of the primosome and loading of the major replicative helicase DnaB onto DNA; Belongs to the helicase family. PriA subfamily. (648 aa) |
| | A1C_04010 | Replicative DNA helicase; Participates in initiation and elongation during chromosome replication; it exhibits DNA-dependent ATPase activity and contains distinct active sites for ATP binding, DNA binding, and interaction with DnaC protein, primase, and other prepriming proteins. Belongs to the helicase family. DnaB subfamily. (494 aa) |
| | A1C_04035 | COG0742 N6-adenine-specific methylase. (192 aa) |
| | radA | Predicted repair protein; DNA-dependent ATPase involved in processing of recombination intermediates, plays a role in repairing DNA breaks. Stimulates the branch migration of RecA-mediated strand transfer reactions, allowing the 3' invading strand to extend heteroduplex DNA faster. Binds ssDNA in the presence of ADP but not other nucleotides, has ATPase activity that is stimulated by ssDNA and various branched DNA structures, but inhibited by SSB. Does not have RecA's homology-searching function. (446 aa) |
| | recO | DNA repair protein RecO; Involved in DNA repair and RecF pathway recombination. (237 aa) |
| | infB | Translation initiation factor IF-2; One of the essential components for the initiation of protein synthesis. Protects formylmethionyl-tRNA from spontaneous hydrolysis and promotes its binding to the 30S ribosomal subunits. Also involved in the hydrolysis of GTP during the formation of the 70S ribosomal complex; Belongs to the TRAFAC class translation factor GTPase superfamily. Classic translation factor GTPase family. IF-2 subfamily. (829 aa) |
| | nusA | Transcription elongation factor NusA; Participates in both transcription termination and antitermination. (503 aa) |
| | tyrS | tyrosyl-tRNA synthetase; Catalyzes the attachment of tyrosine to tRNA(Tyr) in a two- step reaction: tyrosine is first activated by ATP to form Tyr-AMP and then transferred to the acceptor end of tRNA(Tyr); Belongs to the class-I aminoacyl-tRNA synthetase family. TyrS type 1 subfamily. (411 aa) |
| | rpmJ | Hypothetical protein; Belongs to the bacterial ribosomal protein bL36 family. (41 aa) |
| | rpsA | 30S ribosomal protein S1; Binds mRNA; thus facilitating recognition of the initiation point. It is needed to translate mRNA with a short Shine-Dalgarno (SD) purine-rich sequence. (568 aa) |
| | A1C_04305 | Transposase, mutator type; COG3328 Transposase and inactivated derivatives. (72 aa) |
| | A1C_04310 | Transposase; Required for the transposition of the insertion element. (87 aa) |
| | A1C_04315 | Transposase IS200-family protein; COG1943 Transposase and inactivated derivatives. (64 aa) |
| | A1C_04385 | COG0768 Cell division protein FtsI/penicillin-binding protein 2. (594 aa) |
| | mraW | S-adenosyl-methyltransferase MraW; Specifically methylates the N4 position of cytidine in position 1402 (C1402) of 16S rRNA. (306 aa) |
| | uvrC | Excinuclease ABC subunit C; The UvrABC repair system catalyzes the recognition and processing of DNA lesions. UvrC both incises the 5' and 3' sides of the lesion. The N-terminal half is responsible for the 3' incision and the C-terminal half is responsible for the 5' incision. (651 aa) |
| | murA | UDP-N-acetylglucosamine 1-carboxyvinyltransferase; Cell wall formation. Adds enolpyruvyl to UDP-N- acetylglucosamine; Belongs to the EPSP synthase family. MurA subfamily. (419 aa) |
| | gyrB | DNA gyrase subunit B; A type II topoisomerase that negatively supercoils closed circular double-stranded (ds) DNA in an ATP-dependent manner to modulate DNA topology and maintain chromosomes in an underwound state. Negative supercoiling favors strand separation, and DNA replication, transcription, recombination and repair, all of which involve strand separation. Also able to catalyze the interconversion of other topological isomers of dsDNA rings, including catenanes and knotted rings. Type II topoisomerases break and join 2 DNA strands simultaneously in an ATP-dependent manner. (807 aa) |
| | murJ | Virulence factor mviN; Involved in peptidoglycan biosynthesis. Transports lipid- linked peptidoglycan precursors from the inner to the outer leaflet of the cytoplasmic membrane. (507 aa) |
| | mraY-2 | phospho-N-acetylmuramoyl-pentapeptide- transferase; First step of the lipid cycle reactions in the biosynthesis of the cell wall peptidoglycan; Belongs to the glycosyltransferase 4 family. MraY subfamily. (381 aa) |
| | murF | UDP-N-acetylmuramoylalanyl-D-glutamyl-2, 6-diaminopimelate--D-alanyl-D-alanyl ligase; Involved in cell wall formation. Catalyzes the final step in the synthesis of UDP-N-acetylmuramoyl-pentapeptide, the precursor of murein; Belongs to the MurCDEF family. MurF subfamily. (449 aa) |
| | murE | UDP-N-acetylmuramoylalanyl-D-glutamate--2, 6-diaminopimelate ligase; Catalyzes the addition of meso-diaminopimelic acid to the nucleotide precursor UDP-N-acetylmuramoyl-L-alanyl-D-glutamate (UMAG) in the biosynthesis of bacterial cell-wall peptidoglycan. Belongs to the MurCDEF family. MurE subfamily. (480 aa) |
| | mfd | Transcription-repair coupling factor; Couples transcription and DNA repair by recognizing RNA polymerase (RNAP) stalled at DNA lesions. Mediates ATP-dependent release of RNAP and its truncated transcript from the DNA, and recruitment of nucleotide excision repair machinery to the damaged site; In the C-terminal section; belongs to the helicase family. RecG subfamily. (1121 aa) |
| | dnaA | Chromosomal replication initiation protein; Plays an important role in the initiation and regulation of chromosomal replication. Binds to the origin of replication; it binds specifically double-stranded DNA at a 9 bp consensus (dnaA box): 5'- TTATC[CA]A[CA]A-3'. DnaA binds to ATP and to acidic phospholipids. (463 aa) |
| | pth | peptidyl-tRNA hydrolase; The natural substrate for this enzyme may be peptidyl-tRNAs which drop off the ribosome during protein synthesis. Belongs to the PTH family. (185 aa) |
| | rplY | 50S ribosomal protein L25/general stress protein Ctc; This is one of the proteins that binds to the 5S RNA in the ribosome where it forms part of the central protuberance. Belongs to the bacterial ribosomal protein bL25 family. CTC subfamily. (199 aa) |
| | rpmI-2 | COG0291 Ribosomal protein L35; Belongs to the bacterial ribosomal protein bL35 family. (68 aa) |
| | rplT | 50S ribosomal protein L20; Binds directly to 23S ribosomal RNA and is necessary for the in vitro assembly process of the 50S ribosomal subunit. It is not involved in the protein synthesizing functions of that subunit. (117 aa) |
| | rnpA | COG0230 Ribosomal protein L34; Belongs to the bacterial ribosomal protein bL34 family. (44 aa) |
| | rpsU | COG0828 Ribosomal protein S21; Belongs to the bacterial ribosomal protein bS21 family. (66 aa) |
| | ileS | isoleucyl-tRNA synthetase; Catalyzes the attachment of isoleucine to tRNA(Ile). As IleRS can inadvertently accommodate and process structurally similar amino acids such as valine, to avoid such errors it has two additional distinct tRNA(Ile)-dependent editing activities. One activity is designated as 'pretransfer' editing and involves the hydrolysis of activated Val-AMP. The other activity is designated 'posttransfer' editing and involves deacylation of mischarged Val-tRNA(Ile). Belongs to the class-I aminoacyl-tRNA synthetase family. IleS type 2 subfamily. (1103 aa) |
| | gltX-2 | glutamyl-tRNA synthetase; Catalyzes the attachment of glutamate to tRNA(Glu) in a two- step reaction: glutamate is first activated by ATP to form Glu-AMP and then transferred to the acceptor end of tRNA(Glu); Belongs to the class-I aminoacyl-tRNA synthetase family. Glutamate--tRNA ligase type 1 subfamily. (463 aa) |
| | rph | Ribonuclease PH; Phosphorolytic 3'-5' exoribonuclease that plays an important role in tRNA 3'-end maturation. Removes nucleotide residues following the 3'-CCA terminus of tRNAs; can also add nucleotides to the ends of RNA molecules by using nucleoside diphosphates as substrates, but this may not be physiologically important. Probably plays a role in initiation of 16S rRNA degradation (leading to ribosome degradation) during starvation. (239 aa) |
| | rpsT | 30S ribosomal protein S20; Binds directly to 16S ribosomal RNA. (90 aa) |
| | rplQ | COG0203 Ribosomal protein L17. (138 aa) |
| | rpsK | 30S ribosomal protein S11; Located on the platform of the 30S subunit, it bridges several disparate RNA helices of the 16S rRNA. Forms part of the Shine- Dalgarno cleft in the 70S ribosome; Belongs to the universal ribosomal protein uS11 family. (127 aa) |
| | rpsM | 30S ribosomal protein S13; Located at the top of the head of the 30S subunit, it contacts several helices of the 16S rRNA. In the 70S ribosome it contacts the 23S rRNA (bridge B1a) and protein L5 of the 50S subunit (bridge B1b), connecting the 2 subunits; these bridges are implicated in subunit movement. Contacts the tRNAs in the A and P-sites. Belongs to the universal ribosomal protein uS13 family. (125 aa) |
| | rplO | 50S ribosomal protein L15; Binds to the 23S rRNA; Belongs to the universal ribosomal protein uL15 family. (153 aa) |
| | rpmD | COG1841 Ribosomal protein L30/L7E. (63 aa) |
| | rpsE | 30S ribosomal protein S5; With S4 and S12 plays an important role in translational accuracy; Belongs to the universal ribosomal protein uS5 family. (176 aa) |
| | rplR | 50S ribosomal protein L18; This is one of the proteins that binds and probably mediates the attachment of the 5S RNA into the large ribosomal subunit, where it forms part of the central protuberance. (118 aa) |
| | rplF | 50S ribosomal protein L6; This protein binds to the 23S rRNA, and is important in its secondary structure. It is located near the subunit interface in the base of the L7/L12 stalk, and near the tRNA binding site of the peptidyltransferase center; Belongs to the universal ribosomal protein uL6 family. (177 aa) |
| | rpsH | 30S ribosomal protein S8; One of the primary rRNA binding proteins, it binds directly to 16S rRNA central domain where it helps coordinate assembly of the platform of the 30S subunit; Belongs to the universal ribosomal protein uS8 family. (132 aa) |
| | rpsN | 30S ribosomal protein S14; Binds 16S rRNA, required for the assembly of 30S particles and may also be responsible for determining the conformation of the 16S rRNA at the A site; Belongs to the universal ribosomal protein uS14 family. (101 aa) |
| | rplE | 50S ribosomal protein L5; This is 1 of the proteins that binds and probably mediates the attachment of the 5S RNA into the large ribosomal subunit, where it forms part of the central protuberance. In the 70S ribosome it contacts protein S13 of the 30S subunit (bridge B1b), connecting the 2 subunits; this bridge is implicated in subunit movement. Contacts the P site tRNA; the 5S rRNA and some of its associated proteins might help stabilize positioning of ribosome-bound tRNAs. (179 aa) |
| | rplX | 50S ribosomal protein L24; One of two assembly initiator proteins, it binds directly to the 5'-end of the 23S rRNA, where it nucleates assembly of the 50S subunit. (109 aa) |
| | rplN | 50S ribosomal protein L14; Binds to 23S rRNA. Forms part of two intersubunit bridges in the 70S ribosome; Belongs to the universal ribosomal protein uL14 family. (122 aa) |
| | rpsQ | 30S ribosomal protein S17; One of the primary rRNA binding proteins, it binds specifically to the 5'-end of 16S ribosomal RNA. (77 aa) |
| | rpmC | COG0255 Ribosomal protein L29; Belongs to the universal ribosomal protein uL29 family. (71 aa) |
| | rplP | 50S ribosomal protein L16; Binds 23S rRNA and is also seen to make contacts with the A and possibly P site tRNAs; Belongs to the universal ribosomal protein uL16 family. (136 aa) |
| | rpsC | 30S ribosomal protein S3; Binds the lower part of the 30S subunit head. Binds mRNA in the 70S ribosome, positioning it for translation; Belongs to the universal ribosomal protein uS3 family. (217 aa) |
| | rplV | 50S ribosomal protein L22; This protein binds specifically to 23S rRNA; its binding is stimulated by other ribosomal proteins, e.g. L4, L17, and L20. It is important during the early stages of 50S assembly. It makes multiple contacts with different domains of the 23S rRNA in the assembled 50S subunit and ribosome (By similarity). (119 aa) |
| | rpsS | 30S ribosomal protein S19; Protein S19 forms a complex with S13 that binds strongly to the 16S ribosomal RNA. (92 aa) |
| | rplB | 50S ribosomal protein L2; One of the primary rRNA binding proteins. Required for association of the 30S and 50S subunits to form the 70S ribosome, for tRNA binding and peptide bond formation. It has been suggested to have peptidyltransferase activity; this is somewhat controversial. Makes several contacts with the 16S rRNA in the 70S ribosome. Belongs to the universal ribosomal protein uL2 family. (273 aa) |
| | rplW | 50S ribosomal protein L23; One of the early assembly proteins it binds 23S rRNA. One of the proteins that surrounds the polypeptide exit tunnel on the outside of the ribosome. Forms the main docking site for trigger factor binding to the ribosome; Belongs to the universal ribosomal protein uL23 family. (98 aa) |
| | rplD | 50S ribosomal protein L4; One of the primary rRNA binding proteins, this protein initially binds near the 5'-end of the 23S rRNA. It is important during the early stages of 50S assembly. It makes multiple contacts with different domains of the 23S rRNA in the assembled 50S subunit and ribosome. (207 aa) |
| | rplC | 50S ribosomal protein L3; One of the primary rRNA binding proteins, it binds directly near the 3'-end of the 23S rRNA, where it nucleates assembly of the 50S subunit. (215 aa) |
| | rpsJ | 30S ribosomal protein S10; Involved in the binding of tRNA to the ribosomes. Belongs to the universal ribosomal protein uS10 family. (105 aa) |
| | tuf | Elongation factor Tu; This protein promotes the GTP-dependent binding of aminoacyl- tRNA to the A-site of ribosomes during protein biosynthesis. (395 aa) |
| | A1C_05120 | tRNA/rRNA methyltransferase; COG0566 rRNA methylases; Belongs to the class IV-like SAM-binding methyltransferase superfamily. RNA methyltransferase TrmH family. (244 aa) |
| | rsmA | Dimethyladenosine transferase; Specifically dimethylates two adjacent adenosines (A1518 and A1519) in the loop of a conserved hairpin near the 3'-end of 16S rRNA in the 30S particle. May play a critical role in biogenesis of 30S subunits. (273 aa) |
| | xseA | Exodeoxyribonuclease VII large subunit; Bidirectionally degrades single-stranded DNA into large acid- insoluble oligonucleotides, which are then degraded further into small acid-soluble oligonucleotides; Belongs to the XseA family. (444 aa) |
| | A1C_05230 | COG0708 Exonuclease III. (260 aa) |
| | A1C_05325 | Putative deoxyribonuclease, hydrolase; COG0084 Mg-dependent DNase. (249 aa) |
| | metG | methionyl-tRNA synthetase; Is required not only for elongation of protein synthesis but also for the initiation of all mRNA translation through initiator tRNA(fMet) aminoacylation; Belongs to the class-I aminoacyl-tRNA synthetase family. MetG type 2B subfamily. (512 aa) |
| | valS | valyl-tRNA synthetase; Catalyzes the attachment of valine to tRNA(Val). As ValRS can inadvertently accommodate and process structurally similar amino acids such as threonine, to avoid such errors, it has a 'posttransfer' editing activity that hydrolyzes mischarged Thr-tRNA(Val) in a tRNA- dependent manner. (812 aa) |
| | rlmJ | Hypothetical protein; Specifically methylates the adenine in position 2030 of 23S rRNA. (262 aa) |
| | ligA-2 | DNA ligase; DNA ligase that catalyzes the formation of phosphodiester linkages between 5'-phosphoryl and 3'-hydroxyl groups in double- stranded DNA using NAD as a coenzyme and as the energy source for the reaction. It is essential for DNA replication and repair of damaged DNA. (689 aa) |
| | rpmA | COG0211 Ribosomal protein L27; Belongs to the bacterial ribosomal protein bL27 family. (86 aa) |
| | rplU | 50S ribosomal protein L21; This protein binds to 23S rRNA in the presence of protein L20; Belongs to the bacterial ribosomal protein bL21 family. (105 aa) |
| | rsmI | Hypothetical protein; Catalyzes the 2'-O-methylation of the ribose of cytidine 1402 (C1402) in 16S rRNA. (278 aa) |
| | nth | Endonuclease III; DNA repair enzyme that has both DNA N-glycosylase activity and AP-lyase activity. The DNA N-glycosylase activity releases various damaged pyrimidines from DNA by cleaving the N-glycosidic bond, leaving an AP (apurinic/apyrimidinic) site. The AP-lyase activity cleaves the phosphodiester bond 3' to the AP site by a beta-elimination, leaving a 3'-terminal unsaturated sugar and a product with a terminal 5'- phosphate. (228 aa) |
| | A1C_05760 | COG0863 DNA modification methylase. (44 aa) |
| | A1C_05805 | Transposase IS200-family protein; COG1943 Transposase and inactivated derivatives. (65 aa) |
| | dnaQ | DNA polymerase III subunit epsilon; DNA polymerase III is a complex, multichain enzyme responsible for most of the replicative synthesis in bacteria. The epsilon subunit contain the editing function and is a proofreading 3'- 5' exonuclease. (229 aa) |
| | rnhA | Ribonuclease H; Endonuclease that specifically degrades the RNA of RNA-DNA hybrids. (152 aa) |
| | recA | Recombinase A; Can catalyze the hydrolysis of ATP in the presence of single- stranded DNA, the ATP-dependent uptake of single-stranded DNA by duplex DNA, and the ATP-dependent hybridization of homologous single-stranded DNAs. It interacts with LexA causing its activation and leading to its autocatalytic cleavage; Belongs to the RecA family. (362 aa) |
| | rpmF | COG0333 Ribosomal protein L32; Belongs to the bacterial ribosomal protein bL32 family. (66 aa) |
| | polA | DNA polymerase I; In addition to polymerase activity, this DNA polymerase exhibits 5'-3' exonuclease activity; Belongs to the DNA polymerase type-A family. (872 aa) |
| | dnaE | COG0587 DNA polymerase III, alpha subunit. (1185 aa) |
| | serS | seryl-tRNA synthetase; Catalyzes the attachment of serine to tRNA(Ser). Is also able to aminoacylate tRNA(Sec) with serine, to form the misacylated tRNA L- seryl-tRNA(Sec), which will be further converted into selenocysteinyl- tRNA(Sec). (425 aa) |
| | A1C_06240 | COG5009 Membrane carboxypeptidase/penicillin-binding protein. (791 aa) |
| | infA | Translation initiation factor IF-1; One of the essential components for the initiation of protein synthesis. Stabilizes the binding of IF-2 and IF-3 on the 30S subunit to which N-formylmethionyl-tRNA(fMet) subsequently binds. Helps modulate mRNA selection, yielding the 30S pre-initiation complex (PIC). Upon addition of the 50S ribosomal subunit IF-1, IF-2 and IF-3 are released leaving the mature 70S translation initiation complex. (71 aa) |
| | xerC | Site-specific tyrosine recombinase XerC; Site-specific tyrosine recombinase, which acts by catalyzing the cutting and rejoining of the recombining DNA molecules. The XerC- XerD complex is essential to convert dimers of the bacterial chromosome into monomers to permit their segregation at cell division. It also contributes to the segregational stability of plasmids. (305 aa) |
| | uvrA | Excinuclease ABC subunit A; The UvrABC repair system catalyzes the recognition and processing of DNA lesions. UvrA is an ATPase and a DNA-binding protein. A damage recognition complex composed of 2 UvrA and 2 UvrB subunits scans DNA for abnormalities. When the presence of a lesion has been verified by UvrB, the UvrA molecules dissociate. (953 aa) |
| | A1C_06470 | Single-strand DNA-binding protein; Plays an important role in DNA replication, recombination and repair. Binds to ssDNA and to an array of partner proteins to recruit them to their sites of action during DNA metabolism. (152 aa) |
| | trmB | Release factor glutamine methyltransferase; Catalyzes the formation of N(7)-methylguanine at position 46 (m7G46) in tRNA; Belongs to the protein N5-glutamine methyltransferase family. PrmC subfamily. (522 aa) |
| | glyS | COG0751 Glycyl-tRNA synthetase, beta subunit. (662 aa) |
| | glyQ | COG0752 Glycyl-tRNA synthetase, alpha subunit. (289 aa) |
| | alaS | alanyl-tRNA synthetase; Catalyzes the attachment of alanine to tRNA(Ala) in a two- step reaction: alanine is first activated by ATP to form Ala-AMP and then transferred to the acceptor end of tRNA(Ala). Also edits incorrectly charged Ser-tRNA(Ala) and Gly-tRNA(Ala) via its editing domain. (878 aa) |
| | dnaG | DNA primase; RNA polymerase that catalyzes the synthesis of short RNA molecules used as primers for DNA polymerase during DNA replication. (595 aa) |
| | greA | Transcription elongation factor GreA; Necessary for efficient RNA polymerase transcription elongation past template-encoded arresting sites. The arresting sites in DNA have the property of trapping a certain fraction of elongating RNA polymerases that pass through, resulting in locked ternary complexes. Cleavage of the nascent transcript by cleavage factors such as GreA or GreB allows the resumption of elongation from the new 3'terminus. GreA releases sequences of 2 to 3 nucleotides. (192 aa) |
| | dnaX | DNA polymerase III subunits gamma and tau; DNA polymerase III is a complex, multichain enzyme responsible for most of the replicative synthesis in bacteria. This DNA polymerase also exhibits 3' to 5' exonuclease activity. (509 aa) |
| | A1C_06740 | COG2927 DNA polymerase III, chi subunit. (154 aa) |
| | A1C_06755 | COG0286 Type I restriction-modification system methyltransferase subunit. (130 aa) |
| | A1C_06760 | Type I restriction-modification system methyltransferase subunit. (99 aa) |
| | rpsP | COG0228 Ribosomal protein S16; Belongs to the bacterial ribosomal protein bS16 family. (111 aa) |
| | rpmG | COG0267 Ribosomal protein L33; Belongs to the bacterial ribosomal protein bL33 family. (56 aa) |
| | mutL | DNA mismatch repair protein; This protein is involved in the repair of mismatches in DNA. It is required for dam-dependent methyl-directed DNA mismatch repair. May act as a 'molecular matchmaker', a protein that promotes the formation of a stable complex between two or more DNA-binding proteins in an ATP-dependent manner without itself being part of a final effector complex. (609 aa) |
| | recF | Recombination protein F; The RecF protein is involved in DNA metabolism; it is required for DNA replication and normal SOS inducibility. RecF binds preferentially to single-stranded, linear DNA. It also seems to bind ATP. (360 aa) |
| | A1C_00325 | Transposase IS200-family protein; COG1943 Transposase and inactivated derivatives. (108 aa) |
| | A1C_00330 | Transposase IS200-family protein; COG1943 Transposase and inactivated derivatives. (72 aa) |
| | rpsF-2 | 30S ribosomal protein S6; Binds together with S18 to 16S ribosomal RNA. (142 aa) |
| | rpsR | 30S ribosomal protein S18; Binds as a heterodimer with protein S6 to the central domain of the 16S rRNA, where it helps stabilize the platform of the 30S subunit; Belongs to the bacterial ribosomal protein bS18 family. (95 aa) |
| | rplI | 50S ribosomal protein L9; Binds to the 23S rRNA. (171 aa) |
| | A1C_00365 | COG0270 Site-specific DNA methylase. (93 aa) |
| | lgt | Putative carbamate kinase; Catalyzes the transfer of the diacylglyceryl group from phosphatidylglycerol to the sulfhydryl group of the N-terminal cysteine of a prolipoprotein, the first step in the formation of mature lipoproteins; Belongs to the Lgt family. (259 aa) |
| | gidB | Glucose-inhibited division protein B; Specifically methylates the N7 position of guanine in position 527 of 16S rRNA. (191 aa) |
| | A1C_00475 | COG0488 ATPase components of ABC transporters with duplicated ATPase domains. (555 aa) |
| | kdsA | 2-dehydro-3-deoxyphosphooctonate aldolase; COG2877 3-deoxy-D-manno-octulosonic acid (KDO) 8-phosphate synthase; Belongs to the KdsA family. (274 aa) |
| | argS | COG0018 Arginyl-tRNA synthetase. (576 aa) |
| | parC | DNA topoisomerase IV subunit A; Topoisomerase IV is essential for chromosome segregation. It relaxes supercoiled DNA. Performs the decatenation events required during the replication of a circular DNA molecule; Belongs to the type II topoisomerase GyrA/ParC subunit family. ParC type 1 subfamily. (737 aa) |
| | cysS | COG0215 Cysteinyl-tRNA synthetase; Belongs to the class-I aminoacyl-tRNA synthetase family. (459 aa) |
| | rpsB | COG0052 Ribosomal protein S2; Belongs to the universal ribosomal protein uS2 family. (295 aa) |
| | tsf | Elongation factor Ts; Associates with the EF-Tu.GDP complex and induces the exchange of GDP to GTP. It remains bound to the aminoacyl-tRNA.EF- Tu.GTP complex up to the GTP hydrolysis stage on the ribosome. Belongs to the EF-Ts family. (309 aa) |
| | A1C_00640 | 3-deoxy-D-manno-octulosonic-acid transferase; Involved in lipopolysaccharide (LPS) biosynthesis. Catalyzes the transfer of 3-deoxy-D-manno-octulosonate (Kdo) residue(s) from CMP- Kdo to lipid IV(A), the tetraacyldisaccharide-1,4'-bisphosphate precursor of lipid A; Belongs to the glycosyltransferase group 1 family. (418 aa) |
| | A1C_00670 | Transposase IS200-family protein; COG1943 Transposase and inactivated derivatives. (75 aa) |
| | rpmB | COG0227 Ribosomal protein L28; Belongs to the bacterial ribosomal protein bL28 family. (97 aa) |
| | A1C_00755 | COG0254 Ribosomal protein L31. (78 aa) |
| | trmD-2 | tRNA (guanine-N(1)-)-methyltransferase; Specifically methylates guanosine-37 in various tRNAs. Belongs to the RNA methyltransferase TrmD family. (234 aa) |
| | rplS | 50S ribosomal protein L19; This protein is located at the 30S-50S ribosomal subunit interface and may play a role in the structure and function of the aminoacyl-tRNA binding site. (138 aa) |
| | ruvC | Holliday junction resolvase; Nuclease that resolves Holliday junction intermediates in genetic recombination. Cleaves the cruciform structure in supercoiled DNA by nicking to strands with the same polarity at sites symmetrically opposed at the junction in the homologous arms and leaves a 5'-terminal phosphate and a 3'-terminal hydroxyl group. (157 aa) |
| | trmJ | tRNA/rRNA methyltransferase; Catalyzes the formation of 2'O-methylated cytidine (Cm32) or 2'O-methylated uridine (Um32) at position 32 in tRNA. (231 aa) |
| | rpsL | 30S ribosomal protein S12; With S4 and S5 plays an important role in translational accuracy. (129 aa) |
| | rpsG | 30S ribosomal protein S7; One of the primary rRNA binding proteins, it binds directly to 16S rRNA where it nucleates assembly of the head domain of the 30S subunit. Is located at the subunit interface close to the decoding center, probably blocks exit of the E-site tRNA; Belongs to the universal ribosomal protein uS7 family. (160 aa) |
| | fusA | Elongation factor G; Catalyzes the GTP-dependent ribosomal translocation step during translation elongation. During this step, the ribosome changes from the pre-translocational (PRE) to the post-translocational (POST) state as the newly formed A-site-bound peptidyl-tRNA and P-site-bound deacylated tRNA move to the P and E sites, respectively. Catalyzes the coordinated movement of the two tRNA molecules, the mRNA and conformational changes in the ribosome; Belongs to the TRAFAC class translation factor GTPase superfamily. Classic translation factor GTPase family. EF-G/EF-2 subfamily. (699 aa) |
| | rplK | 50S ribosomal protein L11; Forms part of the ribosomal stalk which helps the ribosome interact with GTP-bound translation factors. (145 aa) |
| | rplA | 50S ribosomal protein L1; Binds directly to 23S rRNA. The L1 stalk is quite mobile in the ribosome, and is involved in E site tRNA release. (239 aa) |
| | rplJ | 50S ribosomal protein L10; Forms part of the ribosomal stalk, playing a central role in the interaction of the ribosome with GTP-bound translation factors. Belongs to the universal ribosomal protein uL10 family. (169 aa) |
| | rplL | 50S ribosomal protein L7/L12; Forms part of the ribosomal stalk which helps the ribosome interact with GTP-bound translation factors. Is thus essential for accurate translation; Belongs to the bacterial ribosomal protein bL12 family. (124 aa) |
| | aspS | aspartyl-tRNA synthetase; Aspartyl-tRNA synthetase with relaxed tRNA specificity since it is able to aspartylate not only its cognate tRNA(Asp) but also tRNA(Asn). Reaction proceeds in two steps: L-aspartate is first activated by ATP to form Asp-AMP and then transferred to the acceptor end of tRNA(Asp/Asn); Belongs to the class-II aminoacyl-tRNA synthetase family. Type 1 subfamily. (602 aa) |
| | gatB | aspartyl/glutamyl-tRNA amidotransferase subunit B; Allows the formation of correctly charged Asn-tRNA(Asn) or Gln-tRNA(Gln) through the transamidation of misacylated Asp-tRNA(Asn) or Glu-tRNA(Gln) in organisms which lack either or both of asparaginyl- tRNA or glutaminyl-tRNA synthetases. The reaction takes place in the presence of glutamine and ATP through an activated phospho-Asp- tRNA(Asn) or phospho-Glu-tRNA(Gln); Belongs to the GatB/GatE family. GatB subfamily. (483 aa) |
| | gatA | aspartyl/glutamyl-tRNA amidotransferase subunit A; Allows the formation of correctly charged Gln-tRNA(Gln) through the transamidation of misacylated Glu-tRNA(Gln) in organisms which lack glutaminyl-tRNA synthetase. The reaction takes place in the presence of glutamine and ATP through an activated gamma-phospho-Glu- tRNA(Gln). (492 aa) |
| | gatC | aspartyl/glutamyl-tRNA amidotransferase subunit C; Allows the formation of correctly charged Asn-tRNA(Asn) or Gln-tRNA(Gln) through the transamidation of misacylated Asp-tRNA(Asn) or Glu-tRNA(Gln) in organisms which lack either or both of asparaginyl- tRNA or glutaminyl-tRNA synthetases. The reaction takes place in the presence of glutamine and ATP through an activated phospho-Asp- tRNA(Asn) or phospho-Glu-tRNA(Gln); Belongs to the GatC family. (100 aa) |
| | frr-2 | Ribosome releasing factor; Responsible for the release of ribosomes from messenger RNA at the termination of protein biosynthesis. May increase the efficiency of translation by recycling ribosomes from one round of translation to another; Belongs to the RRF family. (186 aa) |
| | A1C_01115 | Transposase IS200-family protein; COG1943 Transposase and inactivated derivatives. (73 aa) |
| | rlmE | Ribosomal RNA large subunit methyltransferase J; Specifically methylates the uridine in position 2552 of 23S rRNA at the 2'-O position of the ribose in the fully assembled 50S ribosomal subunit. (227 aa) |
| | A1C_01225 | DNA polymerase III subunit delta; COG0470 ATPase involved in DNA replication. (292 aa) |
| | A1C_01310 | DNA repair protein RecN; May be involved in recombinational repair of damaged DNA. (546 aa) |
| | dnaJ | DnaJ protein; Participates actively in the response to hyperosmotic and heat shock by preventing the aggregation of stress-denatured proteins and by disaggregating proteins, also in an autonomous, DnaK-independent fashion. Unfolded proteins bind initially to DnaJ; upon interaction with the DnaJ-bound protein, DnaK hydrolyzes its bound ATP, resulting in the formation of a stable complex. GrpE releases ADP from DnaK; ATP binding to DnaK triggers the release of the substrate protein, thus completing the reaction cycle. Several rounds of ATP-dependent interactions between DnaJ, DnaK and Gr [...] (371 aa) |
| | holA | COG1466 DNA polymerase III, delta subunit. (326 aa) |
| | A1C_01410 | COG4953 Membrane carboxypeptidase/penicillin-binding protein PbpC. (784 aa) |
| | rnhB | Ribonuclease HII; Endonuclease that specifically degrades the RNA of RNA-DNA hybrids; Belongs to the RNase HII family. (193 aa) |
| | uvrB | Excinuclease ABC subunit B; The UvrABC repair system catalyzes the recognition and processing of DNA lesions. A damage recognition complex composed of 2 UvrA and 2 UvrB subunits scans DNA for abnormalities. Upon binding of the UvrA(2)B(2) complex to a putative damaged site, the DNA wraps around one UvrB monomer. DNA wrap is dependent on ATP binding by UvrB and probably causes local melting of the DNA helix, facilitating insertion of UvrB beta-hairpin between the DNA strands. Then UvrB probes one DNA strand for the presence of a lesion. If a lesion is found the UvrA subunits dissociate [...] (661 aa) |
| | gyrA | DNA gyrase subunit A; A type II topoisomerase that negatively supercoils closed circular double-stranded (ds) DNA in an ATP-dependent manner to modulate DNA topology and maintain chromosomes in an underwound state. Negative supercoiling favors strand separation, and DNA replication, transcription, recombination and repair, all of which involve strand separation. Also able to catalyze the interconversion of other topological isomers of dsDNA rings, including catenanes and knotted rings. Type II topoisomerases break and join 2 DNA strands simultaneously in an ATP-dependent manner. (898 aa) |
| | def-2 | Peptide deformylase; Removes the formyl group from the N-terminal Met of newly synthesized proteins. Requires at least a dipeptide for an efficient rate of reaction. N-terminal L-methionine is a prerequisite for activity but the enzyme has broad specificity at other positions. (175 aa) |
| | fmt | methionyl-tRNA formyltransferase; Attaches a formyl group to the free amino group of methionyl- tRNA(fMet). The formyl group appears to play a dual role in the initiator identity of N-formylmethionyl-tRNA by promoting its recognition by IF2 and preventing the misappropriation of this tRNA by the elongation apparatus; Belongs to the Fmt family. (298 aa) |
| | thrS | threonyl-tRNA synthetase; Catalyzes the attachment of threonine to tRNA(Thr) in a two- step reaction: L-threonine is first activated by ATP to form Thr-AMP and then transferred to the acceptor end of tRNA(Thr). Also edits incorrectly charged L-seryl-tRNA(Thr). (635 aa) |
| | parE | DNA topoisomerase IV subunit B; Topoisomerase IV is essential for chromosome segregation. It relaxes supercoiled DNA. Performs the decatenation events required during the replication of a circular DNA molecule; Belongs to the type II topoisomerase family. ParE type 1 subfamily. (662 aa) |
| | rplM | 50S ribosomal protein L13; This protein is one of the early assembly proteins of the 50S ribosomal subunit, although it is not seen to bind rRNA by itself. It is important during the early stages of 50S assembly. (155 aa) |
| | rpsI | COG0103 Ribosomal protein S9; Belongs to the universal ribosomal protein uS9 family. (161 aa) |
| | efp | Elongation factor P; Involved in peptide bond synthesis. Stimulates efficient translation and peptide-bond synthesis on native or reconstituted 70S ribosomes in vitro. Probably functions indirectly by altering the affinity of the ribosome for aminoacyl-tRNA, thus increasing their reactivity as acceptors for peptidyl transferase. (188 aa) |
| | murC | UDP-N-acetylmuramate--L-alanine ligase; Cell wall formation; Belongs to the MurCDEF family. (478 aa) |
| | murB | UDP-N-acetylenolpyruvoylglucosamine reductase; Cell wall formation. (295 aa) |
| | ddl | D-alanine--D-alanine ligase; Cell wall formation. (320 aa) |
| | A1C_01880 | COG0708 Exonuclease III. (277 aa) |
| | A1C_01895 | GTP-binding protein TypA; COG1217 Predicted membrane GTPase involved in stress response. (609 aa) |
| | prfB | Peptide chain release factor 2; Peptide chain release factor 2 directs the termination of translation in response to the peptide chain termination codons UGA and UAA. (285 aa) |
| | lepA | GTP-binding protein LepA; Required for accurate and efficient protein synthesis under certain stress conditions. May act as a fidelity factor of the translation reaction, by catalyzing a one-codon backward translocation of tRNAs on improperly translocated ribosomes. Back-translocation proceeds from a post-translocation (POST) complex to a pre- translocation (PRE) complex, thus giving elongation factor G a second chance to translocate the tRNAs correctly. Binds to ribosomes in a GTP- dependent manner. (600 aa) |
| | A1C_01990 | Transposase IS200-family protein; COG1943 Transposase and inactivated derivatives. (65 aa) |
| | mrdB | Rod shape-determining protein RodA; Peptidoglycan polymerase that is essential for cell wall elongation; Belongs to the SEDS family. MrdB/RodA subfamily. (366 aa) |
| | mutS | DNA mismatch repair protein; This protein is involved in the repair of mismatches in DNA. It is possible that it carries out the mismatch recognition step. This protein has a weak ATPase activity. (886 aa) |
| | hisS | COG0124 Histidyl-tRNA synthetase. (415 aa) |
| | mltG | Hypothetical protein; Functions as a peptidoglycan terminase that cleaves nascent peptidoglycan strands endolytically to terminate their elongation. Belongs to the transglycosylase MltG family. (349 aa) |
| | gltX | glutamyl-tRNA synthetase; Catalyzes the attachment of glutamate to tRNA(Glu) in a two- step reaction: glutamate is first activated by ATP to form Glu-AMP and then transferred to the acceptor end of tRNA(Glu); Belongs to the class-I aminoacyl-tRNA synthetase family. Glutamate--tRNA ligase type 1 subfamily. (447 aa) |
| | topA | DNA topoisomerase I; Releases the supercoiling and torsional tension of DNA, which is introduced during the DNA replication and transcription, by transiently cleaving and rejoining one strand of the DNA duplex. Introduces a single-strand break via transesterification at a target site in duplex DNA. The scissile phosphodiester is attacked by the catalytic tyrosine of the enzyme, resulting in the formation of a DNA- (5'-phosphotyrosyl)-enzyme intermediate and the expulsion of a 3'-OH DNA strand. The free DNA strand then undergoes passage around the unbroken strand, thus removing DNA supe [...] (776 aa) |
| | capD | CapD protein; Epimerizes UDP-galactose to UDP-glucose; Belongs to the polysaccharide synthase family. (341 aa) |
| | rpsD-2 | 30S ribosomal protein S4; One of the primary rRNA binding proteins, it binds directly to 16S rRNA where it nucleates assembly of the body of the 30S subunit. (205 aa) |
| | xseB | Exodeoxyribonuclease VII small subunit; Bidirectionally degrades single-stranded DNA into large acid- insoluble oligonucleotides, which are then degraded further into small acid-soluble oligonucleotides; Belongs to the XseB family. (80 aa) |
| | A1C_02635 | COG2094 3-methyladenine DNA glycosylase. (124 aa) |
| | xerD | Site-specific tyrosine recombinase XerD; Site-specific tyrosine recombinase, which acts by catalyzing the cutting and rejoining of the recombining DNA molecules. The XerC- XerD complex is essential to convert dimers of the bacterial chromosome into monomers to permit their segregation at cell division. It also contributes to the segregational stability of plasmids. (306 aa) |
| | lnt | Apolipoprotein N-acyltransferase; Catalyzes the phospholipid dependent N-acylation of the N- terminal cysteine of apolipoprotein, the last step in lipoprotein maturation; Belongs to the CN hydrolase family. Apolipoprotein N- acyltransferase subfamily. (496 aa) |
| | lysK | COG1384 Lysyl-tRNA synthetase (class I); Belongs to the class-I aminoacyl-tRNA synthetase family. (529 aa) |
| | kdsB | 3-deoxy-manno-octulosonate cytidylyltransferase; Activates KDO (a required 8-carbon sugar) for incorporation into bacterial lipopolysaccharide in Gram-negative bacteria. (246 aa) |
| | proS | prolyl-tRNA synthetase; Catalyzes the attachment of proline to tRNA(Pro) in a two- step reaction: proline is first activated by ATP to form Pro-AMP and then transferred to the acceptor end of tRNA(Pro); Belongs to the class-II aminoacyl-tRNA synthetase family. ProS type 2 subfamily. (427 aa) |
| | ruvA | Holliday junction DNA helicase motor protein; The RuvA-RuvB complex in the presence of ATP renatures cruciform structure in supercoiled DNA with palindromic sequence, indicating that it may promote strand exchange reactions in homologous recombination. RuvAB is a helicase that mediates the Holliday junction migration by localized denaturation and reannealing. RuvA stimulates, in the presence of DNA, the weak ATPase activity of RuvB. (203 aa) |
| | ruvB | Holliday junction DNA helicase B; The RuvA-RuvB complex in the presence of ATP renatures cruciform structure in supercoiled DNA with palindromic sequence, indicating that it may promote strand exchange reactions in homologous recombination. RuvAB is a helicase that mediates the Holliday junction migration by localized denaturation and reannealing. (342 aa) |
| | A1C_02925 | Penicillin-binding protein dacF precursor; COG1686 D-alanyl-D-alanine carboxypeptidase; Belongs to the peptidase S11 family. (306 aa) |
| | murD | UDP-N-acetylmuramoyl-L-alanyl-D-glutamate synthetase; Cell wall formation. Catalyzes the addition of glutamate to the nucleotide precursor UDP-N-acetylmuramoyl-L-alanine (UMA). Belongs to the MurCDEF family. (492 aa) |
| | A1C_03055 | COG0772 Bacterial cell division membrane protein; Belongs to the SEDS family. (377 aa) |
