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| | 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) |
| | metS | 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. (664 aa) |
| | ctc | Ribosomal protein Ctc, binding 5S RNA; Not required for exponential growth; probably functions in vegetatively growing cells, maybe required for accurate translation under stress conditions. (204 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 N-terminal section; belongs to the UvrB family. (1177 aa) |
| | lysS | lysyl-tRNA synthetase; Evidence 1a: Function experimentally demonstrated in the studied strain; Product type e: enzyme; Belongs to the class-II aminoacyl-tRNA synthetase family. (499 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). (483 aa) |
| | rpmGB | Ribosomal protein L33; Plays a role in sporulation at high temperatures. (49 aa) |
| | secE | Preprotein translocase subunit; Essential subunit of the Sec protein translocation channel SecYEG. Clamps together the 2 halves of SecY. May contact the channel plug during translocation. (59 aa) |
| | nusG | Transcription antitermination factor; Participates in transcription elongation, termination and antitermination. Stimulates RNA polymerase pausing at U107 and U144 in the trp leader. NusG-stimulated pausing is sequence specific. Does not affect trp leader termination. (177 aa) |
| | rplK | Ribosomal protein L11 (BL11); Forms part of the ribosomal stalk which helps the ribosome interact with GTP-bound translation factors; Belongs to the universal ribosomal protein uL11 family. (141 aa) |
| | rplA | Ribosomal protein L1 (BL1); Binds directly to 23S rRNA. The L1 stalk is quite mobile in the ribosome, and is involved in E site tRNA release. Belongs to the universal ribosomal protein uL1 family. (232 aa) |
| | rplJ | Ribosomal protein L10 (BL5); Forms part of the ribosomal stalk, playing a central role in the interaction of the ribosome with GTP-bound translation factors (such as IF-2, EF-Tu, EF-G and RF3). (166 aa) |
| | rplL | Ribosomal protein L12 (BL9); Forms part of the ribosomal stalk which helps the ribosome interact with GTP-bound translation factors. Is thus essential for accurate translation. (123 aa) |
| | rpoB | RNA polymerase (beta subunit); DNA-dependent RNA polymerase catalyzes the transcription of DNA into RNA using the four ribonucleoside triphosphates as substrates. (1193 aa) |
| | rpoC | RNA polymerase (beta' subunit); DNA-dependent RNA polymerase catalyzes the transcription of DNA into RNA using the four ribonucleoside triphosphates as substrates. (1199 aa) |
| | rplGB | Alternative ribosomal protein L7A; RNA-binding protein that recognizes the K-turn motif present in ribosomal RNA, but also in box C/D and box C'/D' sRNAs. Belongs to the eukaryotic ribosomal protein eL8 family. (82 aa) |
| | rpsL | Ribosomal protein S12 (BS12); With S4 and S5 plays an important role in translational accuracy. (138 aa) |
| | rpsG | Ribosomal protein S7 (BS7); 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. (156 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 (By similarity). (692 aa) |
| | tufA | Elongation factor Tu; This protein promotes the GTP-dependent binding of aminoacyl- tRNA to the A-site of ribosomes during protein biosynthesis. (396 aa) |
| | rpsJ | Ribosomal protein S10 (BS13); Involved in the binding of tRNA to the ribosomes. Belongs to the universal ribosomal protein uS10 family. (102 aa) |
| | rplC | Ribosomal protein L3 (BL3); 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 (By similarity). Strongly stimulates 23S rRNA precursor processing by mini-ribonuclease 3 (MrnC); 20-30% DMSO can replace L3, suggesting the protein may alter rRNA conformation; Belongs to the universal ribosomal protein uL3 family. (209 aa) |
| | rplD | 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) |
| | rplW | 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. (95 aa) |
| | rplB | Ribosomal protein L2 (BL2); 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. (277 aa) |
| | rpsS | Ribosomal protein S19 (BS19); Protein S19 forms a complex with S13 that binds strongly to the 16S ribosomal RNA. (92 aa) |
| | rplV | Ribosomal protein L22 (BL17); 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). (113 aa) |
| | rpsC | Ribosomal protein S3 (BS3); 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. (218 aa) |
| | rplP | 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. (144 aa) |
| | rpmC | Ribosomal protein L29; Evidence 1a: Function experimentally demonstrated in the studied strain; Product type s: structure. (66 aa) |
| | rpsQ | Ribosomal protein S17 (BS16); One of the primary rRNA binding proteins, it binds specifically to the 5'-end of 16S ribosomal RNA. (87 aa) |
| | rplNA | 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) |
| | rplX | Ribosomal protein L24 (BL23); 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. Has also been isolated as a basic, heat-shock stable DNA- binding protein from the B.subtilis nucleoid. It binds cooperatively to double-stranded supercoiled DNA which it further compacts into complexes 15-17 nm in diameter. Overexpression of the protein disrupts nucleoid segregation and positioning. (103 aa) |
| | rplE | Ribosomal protein L5 (BL6); 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) |
| | rpsNA | 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 (By similarity). The major S14 protein in the ribosome. Required for binding of S2 and S3 to the 30S subunit and for association of the 30S with the 50S subunit; Belongs to the universal ribosomal protein uS14 family. Zinc-binding uS14 subfamily. (61 aa) |
| | rpsH | Ribosomal protein S8 (BS8); 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) |
| | rplF | Ribosomal protein L6 (BL8); 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. (179 aa) |
| | rplR | 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. (120 aa) |
| | rpsE | Ribosomal protein S5; With S4 and S12 plays an important role in translational accuracy; many suppressors of streptomycin-dependent mutants of protein S12 are found in this protein, some but not all of which decrease translational accuracy (ram, ribosomal ambiguity mutations); Belongs to the universal ribosomal protein uS5 family. (166 aa) |
| | rpmD | Ribosomal protein L30 (BL27); Evidence 2a: Function of homologous gene experimentally demonstrated in an other organism; Product type s: structure. (59 aa) |
| | rplO | Ribosomal protein L15; Binds to the 23S rRNA; Belongs to the universal ribosomal protein uL15 family. (146 aa) |
| | secY | Preprotein translocase subunit; The central subunit of the protein translocation channel SecYEG. Consists of two halves formed by TMs 1-5 and 6-10. These two domains form a lateral gate at the front which open onto the bilayer between TMs 2 and 7, and are clamped together by SecE at the back. The channel is closed by both a pore ring composed of hydrophobic SecY resides and a short helix (helix 2A) on the extracellular side of the membrane which forms a plug. The plug probably moves laterally to allow the channel to open. The ring and the pore may move independently. (431 aa) |
| | adk | Adenylate kinase; Catalyzes the reversible transfer of the terminal phosphate group between ATP and AMP. Plays an important role in cellular energy homeostasis and in adenine nucleotide metabolism; Belongs to the adenylate kinase family. (217 aa) |
| | mapA | Methionine aminopeptidase; Removes the N-terminal methionine from nascent proteins. The N-terminal methionine is often cleaved when the second residue in the primary sequence is small and uncharged (Met-Ala-, Cys, Gly, Pro, Ser, Thr, or Val). Requires deformylation of the N(alpha)-formylated initiator methionine before it can be hydrolyzed. (248 aa) |
| | ybzG | Putative ribosomal protein; Evidence 3: Function proposed based on presence of conserved amino acid motif, structural feature or limited homology; putative factor. (74 aa) |
| | infA | Initiation factor IF-I; 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. (72 aa) |
| | rpmJ | Ribosomal protein L36 (ribosomal protein B); Evidence 2a: Function of homologous gene experimentally demonstrated in an other organism; Product type f: factor. (37 aa) |
| | rpsM | 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. (121 aa) |
| | rpsK | Ribosomal protein S11 (BS11); 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. (131 aa) |
| | rpoA | RNA polymerase (alpha subunit); DNA-dependent RNA polymerase catalyzes the transcription of DNA into RNA using the four ribonucleoside triphosphates as substrates. (314 aa) |
| | rplQ | Ribosomal protein L17 (BL15); Evidence 1a: Function experimentally demonstrated in the studied strain; Product type s: structure. (120 aa) |
| | rplM | 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. (145 aa) |
| | rpsI | Ribosomal protein S9; Evidence 2a: Function of homologous gene experimentally demonstrated in an other organism; Product type s: structure. (130 aa) |
| | sipU | Type I signal peptidase; Evidence 1a: Function experimentally demonstrated in the studied strain; Product type e: enzyme; Belongs to the peptidase S26 family. (187 aa) |
| | guaA | GMP synthetase; Catalyzes the synthesis of GMP from XMP. (513 aa) |
| | gatC | glutamyl-tRNA(Gln) 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) (By similarity); Belongs to the GatC family. (96 aa) |
| | gatA | glutamyl-tRNA(Gln) 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). (485 aa) |
| | gatB | glutamyl-tRNA(Gln) 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. (476 aa) |
| | rpsNB | Alternative 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. (89 aa) |
| | trpS | tryptophanyl-tRNA synthetase; Catalyzes the attachment of tryptophan to tRNA(Trp). Belongs to the class-I aminoacyl-tRNA synthetase family. (330 aa) |
| | sipT | Type I signal peptidase; Evidence 1a: Function experimentally demonstrated in the studied strain; Product type e: enzyme; Belongs to the peptidase S26 family. (193 aa) |
| | rnpZA | Omega 1 subunit of RNA polymerase; Evidence 1a: Function experimentally demonstrated in the studied strain; Product type f: factor; Belongs to the UPF0356 family. (69 aa) |
| | defB | Formylmethionine deformylase A; 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. (184 aa) |
| | ylbN | Conserved hypothetical protein; Evidence 4: Homologs of previously reported genes of unknown function; PubMedId: 11700356. (172 aa) |
| | rpmF | Ribosomal protein L32; Evidence 2a: Function of homologous gene experimentally demonstrated in an other organism; Product type f: factor. (59 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). (921 aa) |
| | lspA | Signal peptidase II; This protein specifically catalyzes the removal of signal peptides from prolipoproteins. (154 aa) |
| | rpoZ | Omega subunit of RNA polymerase; Promotes RNA polymerase assembly. Latches the N- and C- terminal regions of the beta' subunit thereby facilitating its interaction with the beta and alpha subunits (By similarity). (67 aa) |
| | rpmB | Ribosomal protein L28; Evidence 2a: Function of homologous gene experimentally demonstrated in an other organism; Product type f: factor. (62 aa) |
| | ftsY | Signal recognition particle (docking protein); Involved in targeting and insertion of nascent membrane proteins into the cytoplasmic membrane. Acts as a receptor for the complex formed by the signal recognition particle (SRP) and the ribosome-nascent chain (RNC). (329 aa) |
| | ylxM | Conserved hypothetical protein; Might take part in the signal recognition particle (SRP) pathway. This is inferred from the conservation of its genetic proximity to ftsY/ffh. May be a regulatory protein. (110 aa) |
| | ffh | Signal recognition particle-like (SRP) GTPase; Involved in targeting and insertion of nascent membrane proteins into the cytoplasmic membrane. Binds to the hydrophobic signal sequence of the ribosome-nascent chain (RNC) as it emerges from the ribosomes. The SRP-RNC complex is then targeted to the cytoplasmic membrane where it interacts with the SRP receptor FtsY. Interaction with FtsY leads to the transfer of the RNC complex to the Sec translocase for insertion into the membrane, the hydrolysis of GTP by both Ffh and FtsY, and the dissociation of the SRP-FtsY complex into the individua [...] (446 aa) |
| | rpsP | Ribosomal protein S16 (BS17); Evidence 1a: Function experimentally demonstrated in the studied strain; Product type f: factor. (90 aa) |
| | ylqC | Putative RNA binding protein; Evidence 3: Function proposed based on presence of conserved amino acid motif, structural feature or limited homology; Product type pf: putative factor; Belongs to the UPF0109 family. (81 aa) |
| | ylqD | Conserved hypothetical protein; Evidence 4: Homologs of previously reported genes of unknown function. (128 aa) |
| | rimM | 16S rRNA processing protein; An accessory protein needed during the final step in the assembly of 30S ribosomal subunit, possibly for assembly of the head region. Probably interacts with S19. Essential for efficient processing of 16S rRNA. May be needed both before and after RbfA during the maturation of 16S rRNA. It has affinity for free ribosomal 30S subunits but not for 70S ribosomes; Belongs to the RimM family. (174 aa) |
| | trmD | tRNA(m1G37)methyltransferase; Specifically methylates guanosine-37 in various tRNAs. Belongs to the RNA methyltransferase TrmD family. (243 aa) |
| | rplS | 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; Belongs to the bacterial ribosomal protein bL19 family. (115 aa) |
| | rpsB | Ribosomal protein S2; Evidence 2a: Function of homologous gene experimentally demonstrated in an other organism; structure. (246 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 (By similarity); Belongs to the EF-Ts family. (293 aa) |
| | pyrH | Uridylate kinase; Catalyzes the reversible phosphorylation of UMP to UDP, with ATP or dATP as the most efficient phosphate donors. Is also able to phosphorylate 5-fluoro-UMP and 6-aza-UMP. (240 aa) |
| | frr | Ribosome recycling 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. (185 aa) |
| | uppS | Undecaprenyl pyrophosphate synthase; Catalyzes the condensation of isopentenyl diphosphate (IPP) with allylic pyrophosphates generating different type of terpenoids. (260 aa) |
| | cdsA | Phosphatidate cytidylyltransferase (CDP-diglyceride synthase); Evidence 2a: Function of homologous gene experimentally demonstrated in an other organism; enzyme. (269 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). As ProRS can inadvertently accommodate and process non-cognate amino acids such as alanine and cysteine, to avoid such errors it has two additional distinct editing activities against alanine. One activity is designated as 'pretransfer' editing and involves the tRNA(Pro)-independent hydrolysis of activated Ala-AMP. The other activity is designated 'posttransfer' editing and involves dea [...] (564 aa) |
| | rimP | Ribosome maturation factor; Required for maturation of 30S ribosomal subunits. Belongs to the RimP family. (156 aa) |
| | nusA | Transcription translation coupling factor involved in Rho-dependent transcription termination; Participates in both transcription termination and antitermination. (371 aa) |
| | ylxR | Putative RNA binding protein; Evidence 3: Function proposed based on presence of conserved amino acid motif, structural feature or limited homology; Product type pf: putative factor. (91 aa) |
| | rplGA | Ribosomal protein L7Ae; RNA-binding protein that recognizes the K-turn motif present in ribosomal RNA, but also in box C/D and box C'/D' sRNAs. (100 aa) |
| | infB | 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. (716 aa) |
| | ylxP | Conserved hypothetical protein; Evidence 4: Homologs of previously reported genes of unknown function. (92 aa) |
| | rbfA | Ribosome-binding factor A; One of several proteins that assist in the late maturation steps of the functional core of the 30S ribosomal subunit. Associates with free 30S ribosomal subunits (but not with 30S subunits that are part of 70S ribosomes or polysomes). Required for efficient processing of 16S rRNA. May interact with the 5'-terminal helix region of 16S rRNA. (117 aa) |
| | truB | tRNA pseudouridine 55 synthase; Responsible for synthesis of pseudouridine from uracil-55 in the psi GC loop of transfer RNAs; Belongs to the pseudouridine synthase TruB family. Type 1 subfamily. (309 aa) |
| | ribC | Bifunctional riboflavin kinase FAD synthase; Catalyzes the phosphorylation of riboflavin to FMN followed by the adenylation of FMN to FAD. (316 aa) |
| | rpsO | Ribosomal protein S15 (BS18); 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. (89 aa) |
| | asnS | asparaginyl-tRNA synthetase; Evidence 2a: Function of homologous gene experimentally demonstrated in an other organism; Product type e: enzyme. (430 aa) |
| | rpfA | RNA degradation presenting factor (ribosomal protein S1 homolog); Plays a role in sporulation; Belongs to the bacterial ribosomal protein bS1 family. (382 aa) |
| | sipS | Type I signal peptidase; Not essential for cell viability, but required for efficient secretion of many proteins. (184 aa) |
| | yqkK | Hypothetical protein; Evidence 5: No homology to any previously reported sequences. (71 aa) |
| | mifM | Regulator of OxaAB translation; Sensor protein that upregulates translation of the secondary membrane protein insertase (MisCB/YqjG) when activity of the primary membrane protein insertase (MisCA/SpoIIIJ) is limited. Acts as a ribosome-nascent chain complex. When the primary membrane protein insertase activity or level is reduced, the membrane insertion of MifM is impaired, which induces arrest of MifM translation and unfolding of the mRNA hairpin. Unfolding leads to translation of the downstream gene, which encodes the secondary membrane protein insertase MisCB/YqjG. Translation arres [...] (95 aa) |
| | oxaAB | Sec-independent factor for membrane protein insertion (YidC/SpoIIIJ family); Required for the insertion and/or proper folding and/or complex formation of integral membrane proteins into the membrane. Involved in integration of membrane proteins that insert both dependently and independently of the Sec translocase complex, as well as at least some lipoproteins (By similarity). Also involved in protein secretion processes. It has an overlapping, although partly distinct, function compared to SpoIIIJ(MisCB). (275 aa) |
| | nusB | Transcription termination factor NusB; Involved in transcription antitermination. Required for transcription of ribosomal RNA (rRNA) genes. Binds specifically to the boxA antiterminator sequence of the ribosomal RNA (rrn) operons. (131 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 (By similarity). (185 aa) |
| | rpmGA | Ribosomal protein L33; Evidence 2a: Function of homologous gene experimentally demonstrated in an other organism; structure. (49 aa) |
| | sigA | RNA polymerase major sigma-43 factor (sigma-A); Sigma factors are initiation factors that promote the attachment of RNA polymerase to specific initiation sites and are then released. This sigma factor is the primary sigma factor during exponential growth; Belongs to the sigma-70 factor family. RpoD/SigA subfamily. (371 aa) |
| | glyS | glycyl-tRNA synthetase (beta subunit); Evidence 2a: Function of homologous gene experimentally demonstrated in an other organism; Product type e: enzyme. (679 aa) |
| | glyQ | glycyl-tRNA synthetase (alpha subunit); Evidence 2a: Function of homologous gene experimentally demonstrated in an other organism; Product type e: enzyme. (295 aa) |
| | rpsT | Ribosomal protein S20 (BS20); Binds directly to 16S ribosomal RNA; Belongs to the bacterial ribosomal protein bS20 family. (88 aa) |
| | greA | Transcription elongation factor; 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 (By similarity); Belongs to the GreA/GreB family. (157 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) |
| | 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. (592 aa) |
| | hisS | histidyl-tRNA synthetase; Evidence 2a: Function of homologous gene experimentally demonstrated in an other organism; Product type e: enzyme. (424 aa) |
| | secDF | Protein-export membrane protein; Required for efficient translocation of secretory pre- proteins under conditions of hypersecretion but is not required for the release of mature proteins from the membrane. In the N-terminal section; belongs to the SecD/SecF family. SecD subfamily. (737 aa) |
| | yrbF | Component of the preprotein translocase; The SecYEG-SecDF-YajC-YidC holo-translocon (HTL) protein secretase/insertase is a supercomplex required for protein secretion, insertion of proteins into membranes, and assembly of membrane protein complexes. While the SecYEG complex is essential for assembly of a number of proteins and complexes, the SecDF-YajC-YidC subcomplex facilitates these functions. (88 aa) |
| | rpmA | Ribosomal protein L27 (BL24); Plays a role in sporulation at high temperatures. (94 aa) |
| | ysxB | Conserved hypothetical protein; Evidence 4: Homologs of previously reported genes of unknown function; PubMedId: 11567142; To M.genitalium MG233. (112 aa) |
| | rplU | Ribosomal protein L21 (BL20); This protein binds to 23S rRNA in the presence of protein L20; Belongs to the bacterial ribosomal protein bL21 family. (102 aa) |
| | valS | valyl-tRNA synthetase; 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 (By similarity). Catalyzes the attachment of valine to tRNA(Val); Belongs to the class-I aminoacyl-tRNA synthetase family. ValS type 1 subfamily. (880 aa) |
| | tig | Prolyl isomerase (trigger factor); Involved in protein export. Acts as a chaperone by maintaining the newly synthesized protein in an open conformation. Functions as a peptidyl-prolyl cis-trans isomerase (By similarity). Belongs to the FKBP-type PPIase family. Tig subfamily. (424 aa) |
| | pheT | phenylalanyl-tRNA synthetase (beta subunit); Evidence 1a: Function experimentally demonstrated in the studied strain; Product type e: enzyme; Belongs to the phenylalanyl-tRNA synthetase beta subunit family. Type 1 subfamily. (804 aa) |
| | pheS | phenylalanyl-tRNA synthetase (alpha subunit); Evidence 1a: Function experimentally demonstrated in the studied strain; Product type e: enzyme; Belongs to the class-II aminoacyl-tRNA synthetase family. Phe-tRNA synthetase alpha subunit type 1 subfamily. (344 aa) |
| | rplT | 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 (By similarity). (119 aa) |
| | rpmI | Ribosomal protein L35; Evidence 2a: Function of homologous gene experimentally demonstrated in an other organism; structure. (66 aa) |
| | infC | 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. (173 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); Belongs to the class-II aminoacyl-tRNA synthetase family. (643 aa) |
| | rpsD | Ribosomal protein S4 (BS4); One of the primary rRNA binding proteins, it binds directly to 16S rRNA where it nucleates assembly of the body of the 30S subunit. S4 represses its own expression; it is not know if this is at the level of translation or of mRNA stability; Belongs to the universal ribosomal protein uS4 family. (200 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). (422 aa) |
| | leuS | leucyl-tRNA synthetase; Evidence 1a: Function experimentally demonstrated in the studied strain; Product type e: enzyme; Belongs to the class-I aminoacyl-tRNA synthetase family. (804 aa) |
| | rpmEB | Ribosomal protein L31; While neither of the L31 paralogs is essential, this protein does not seem to function as the main L31 protein. Has a higher affinity for 70S ribosomes than the zinc-containing L31 paralog; is able to displace it to varying extents, even under zinc-replete conditions. (82 aa) |
| | smpB | tmRNA-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 t [...] (156 aa) |
| | secG | Preprotein translocase subunit; Involved in protein export. Participates in an early event of protein translocation (By similarity). (76 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. (366 aa) |
| | secA | Translocase binding subunit (ATPase); Part of the Sec protein translocase complex. Interacts with the SecYEG preprotein conducting channel. Has a central role in coupling the hydrolysis of ATP to the transfer of proteins into and across the cell membrane, serving as an ATP-driven molecular motor driving the stepwise translocation of polypeptide chains across the membrane; Belongs to the SecA family. (841 aa) |
| | hpf | Ribosome-associated sigma 54 modulation protein; Required for dimerization of active 70S ribosomes into 100S ribosomes in stationary phase; 100S ribosomes are translationally inactive and sometimes present during exponential growth. May not be the only factor implicated. Might negatively regulate the activity of the sigma-54 factor (SigL). (189 aa) |
| | atpC | ATP synthase (subunit epsilon, F1 subunit); Produces ATP from ADP in the presence of a proton gradient across the membrane. (132 aa) |
| | atpD | ATP synthase (subunit beta, component F1); Produces ATP from ADP in the presence of a proton gradient across the membrane. The catalytic sites are hosted primarily by the beta subunits; Belongs to the ATPase alpha/beta chains family. (473 aa) |
| | atpG | ATP synthase (subunit gamma, component F1); Produces ATP from ADP in the presence of a proton gradient across the membrane. The gamma chain is believed to be important in regulating ATPase activity and the flow of protons through the CF(0) complex. (287 aa) |
| | atpA | ATP synthase (subunit alpha, component F1); Produces ATP from ADP in the presence of a proton gradient across the membrane. The alpha chain is a regulatory subunit; Belongs to the ATPase alpha/beta chains family. (502 aa) |
| | atpH | ATP synthase (subunit delta, component F1); F(1)F(0) ATP synthase produces ATP from ADP in the presence of a proton or sodium gradient. F-type ATPases consist of two structural domains, F(1) containing the extramembraneous catalytic core and F(0) containing the membrane proton channel, linked together by a central stalk and a peripheral stalk. During catalysis, ATP synthesis in the catalytic domain of F(1) is coupled via a rotary mechanism of the central stalk subunits to proton translocation; Belongs to the ATPase delta chain family. (181 aa) |
| | atpF | ATP synthase (subunit b, component F0); F(1)F(0) ATP synthase produces ATP from ADP in the presence of a proton or sodium gradient. F-type ATPases consist of two structural domains, F(1) containing the extramembraneous catalytic core and F(0) containing the membrane proton channel, linked together by a central stalk and a peripheral stalk. During catalysis, ATP synthesis in the catalytic domain of F(1) is coupled via a rotary mechanism of the central stalk subunits to proton translocation. (170 aa) |
| | atpE | ATP synthase (subunit c, component F0); F(1)F(0) ATP synthase produces ATP from ADP in the presence of a proton or sodium gradient. F-type ATPases consist of two structural domains, F(1) containing the extramembraneous catalytic core and F(0) containing the membrane proton channel, linked together by a central stalk and a peripheral stalk. During catalysis, ATP synthesis in the catalytic domain of F(1) is coupled via a rotary mechanism of the central stalk subunits to proton translocation. (70 aa) |
| | atpB | ATP synthase (subunit a, component F0); Key component of the proton channel; it plays a direct role in the translocation of protons across the membrane. (244 aa) |
| | atpI | ATP synthase (subunit i); A possible function for this protein is to guide the assembly of the membrane sector of the ATPase enzyme complex; Belongs to the bacterial AtpI family. (127 aa) |
| | rpmEA | Ribosomal protein L31; Binds the 23S rRNA. (66 aa) |
| | rho | Transcriptional terminator Rho; Facilitates transcription termination by a mechanism that involves Rho binding to the nascent RNA, activation of Rho's RNA- dependent ATPase activity, and release of the mRNA from the DNA template. (427 aa) |
| | pyrG | CTP synthetase; Catalyzes the ATP-dependent amination of UTP to CTP with either L-glutamine or ammonia as the source of nitrogen. Regulates intracellular CTP levels through interactions with the four ribonucleotide triphosphates. (535 aa) |
| | rpoE | RNA polymerase (delta subunit); Participates in both the initiation and recycling phases of transcription. In the presence of the delta subunit, RNAP displays an increased specificity of transcription, a decreased affinity for nucleic acids, and an increased efficiency of RNA synthesis because of enhanced recycling. May function in sigma factor switching. It displaces RNA bound to RNA polymerase in a binary complex; Belongs to the RpoE family. (173 aa) |
| | argS | arginyl-tRNA synthetase; Evidence 1a: Function experimentally demonstrated in the studied strain; Product type e: enzyme. (556 aa) |
| | thrZ | 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); Belongs to the class-II aminoacyl-tRNA synthetase family. (638 aa) |
| | tyrZ | 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 2 subfamily. (413 aa) |
| | yxkA | Putative bacteriophage protein; Evidence 3: Function proposed based on presence of conserved amino acid motif, structural feature or limited homology; Product type h: extrachromosomal origin. (168 aa) |
| | rplI | Ribosomal protein L9; Binds to the 23S rRNA. (149 aa) |
| | rpsR | 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. (79 aa) |
| | rpsF | Ribosomal protein S6 (BS9); Binds together with S18 to 16S ribosomal RNA. (95 aa) |
