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| | TrpS | COG0180 Tryptophanyl-tRNA synthetase; Belongs to the class-I aminoacyl-tRNA synthetase family. (351 aa) |
| | RsmB | COG0144 tRNA and rRNA cytosine-C5-methylases; Belongs to the class I-like SAM-binding methyltransferase superfamily. RsmB/NOP family. (409 aa) |
| | rpmE2 | COG0254 Ribosomal protein L31. (84 aa) |
| | rpmJ | COG0257 Ribosomal protein L36; Belongs to the bacterial ribosomal protein bL36 family. (41 aa) |
| | YaeJ | COG1186 Protein chain release factor B. (137 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. (190 aa) |
| | EAR30733.1 | COG4394 Uncharacterized protein conserved in bacteria. (377 aa) |
| | Efp | COG0231 Translation elongation factor P (EF-P)/translation initiation factor 5A (eIF-5A). (191 aa) |
| | rplY | 50S ribosomal protein L25; 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. (200 aa) |
| | EAR26319.1 | Protein chain elongation factor EF-Tu; COG0050 GTPases - translation elongation factors. (236 aa) |
| | fusA | Elongation factor EF-2; 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. (695 aa) |
| | secE | Protein translocase subunit SecE; Essential subunit of the Sec protein translocation channel SecYEG. Clamps together the 2 halves of SecY. May contact the channel plug during translocation; Belongs to the SecE/SEC61-gamma family. (125 aa) |
| | nusG | Component in transcription antitermination; Participates in transcription elongation, termination and antitermination. (185 aa) |
| | rplK | 50S ribosomal subunit protein L11; Forms part of the ribosomal stalk which helps the ribosome interact with GTP-bound translation factors. (142 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. (234 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. (164 aa) |
| | rplL | 50S ribosomal subunit 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. (120 aa) |
| | rpoB | DNA-directed RNA polymerase beta chain; DNA-dependent RNA polymerase catalyzes the transcription of DNA into RNA using the four ribonucleoside triphosphates as substrates. (1341 aa) |
| | rpoC | RNA polymerase, beta prime subunit; DNA-dependent RNA polymerase catalyzes the transcription of DNA into RNA using the four ribonucleoside triphosphates as substrates. (1393 aa) |
| | rpsL | 30S ribosomal protein S12; Interacts with and stabilizes bases of the 16S rRNA that are involved in tRNA selection in the A site and with the mRNA backbone. Located at the interface of the 30S and 50S subunits, it traverses the body of the 30S subunit contacting proteins on the other side and probably holding the rRNA structure together. The combined cluster of proteins S8, S12 and S17 appears to hold together the shoulder and platform of the 30S subunit. (124 aa) |
| | rpsG | 30S ribosomal subunit 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. (156 aa) |
| | fusA-2 | Protein chain elongation factor EF-G, GTP-binding; 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 f [...] (707 aa) |
| | tuf | Protein chain elongation factor EF-Tu; This protein promotes the GTP-dependent binding of aminoacyl- tRNA to the A-site of ribosomes during protein biosynthesis. (394 aa) |
| | EAR27023.1 | Putative orphan protein. (149 aa) |
| | glyS | COG0751 Glycyl-tRNA synthetase, beta subunit. (689 aa) |
| | glyQ | COG0752 Glycyl-tRNA synthetase, alpha subunit. (299 aa) |
| | gyrB | DNA gyrase, subunit B (type II topoisomerase); 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 [...] (805 aa) |
| | recF | Gap repair protein with nucleoside triP hydrolase domain; 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. (364 aa) |
| | dnaA | DNA replication initiator 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. Belongs to the DnaA family. (460 aa) |
| | rpmH | COG0230 Ribosomal protein L34; Belongs to the bacterial ribosomal protein bL34 family. (44 aa) |
| | rnpA | Ribonuclease P protein component; RNaseP catalyzes the removal of the 5'-leader sequence from pre-tRNA to produce the mature 5'-terminus. It can also cleave other RNA substrates such as 4.5S RNA. The protein component plays an auxiliary but essential role in vivo by binding to the 5'-leader sequence and broadening the substrate specificity of the ribozyme. (135 aa) |
| | EAR27032.1 | Hypothetical protein; Could be involved in insertion of integral membrane proteins into the membrane; Belongs to the UPF0161 family. (88 aa) |
| | yidC | Preprotein translocase; 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. Aids folding of multispanning membrane proteins. (545 aa) |
| | rplQ | COG0203 Ribosomal protein L17. (133 aa) |
| | rpoA | DNA-directed RNA polymerase alpha chain; DNA-dependent RNA polymerase catalyzes the transcription of DNA into RNA using the four ribonucleoside triphosphates as substrates. (328 aa) |
| | rpsD | 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. (206 aa) |
| | rpsK | 30S ribosomal subunit 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. (128 aa) |
| | rpsM | 30S ribosomal subunit 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. (118 aa) |
| | rpmJ-2 | COG0257 Ribosomal protein L36; Belongs to the bacterial ribosomal protein bL36 family. (37 aa) |
| | secY | Protein translocase subunit SecY; 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. (442 aa) |
| | rplO | 50S ribosomal subunit protein L15; Binds to the 23S rRNA; Belongs to the universal ribosomal protein uL15 family. (144 aa) |
| | rpmD | COG1841 Ribosomal protein L30/L7E. (58 aa) |
| | rpsE | 30S ribosomal subunit protein S5; Located at the back of the 30S subunit body where it stabilizes the conformation of the head with respect to the body. Belongs to the universal ribosomal protein uS5 family. (168 aa) |
| | rplR | 50S ribosomal subunit 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. (116 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 subunit 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. (130 aa) |
| | rpsN | 30S ribosomal subunit 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 subunit 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 subunit protein L24; One of the proteins that surrounds the polypeptide exit tunnel on the outside of the subunit. (104 aa) |
| | rplN | 50S ribosomal subunit 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) |
| | rplM | 50S ribosomal subunit 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. (142 aa) |
| | rpsI | COG0103 Ribosomal protein S9; Belongs to the universal ribosomal protein uS9 family. (129 aa) |
| | lpxC | UDP-3-O-[3-hydroxymyristoyl] N-acetylglucosamine deacetylase (UDP-3-O-acyl-GlcNAc deacetylase); Catalyzes the hydrolysis of UDP-3-O-myristoyl-N- acetylglucosamine to form UDP-3-O-myristoylglucosamine and acetate, the committed step in lipid A biosynthesis; Belongs to the LpxC family. (303 aa) |
| | secA | Translocase; 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 both as a receptor for the preprotein-SecB complex and as an ATP-driven molecular motor driving the stepwise translocation of polypeptide chains across the membrane. Belongs to the SecA family. (901 aa) |
| | rpmE | 50S ribosomal subunit protein L31; Binds the 23S rRNA. (75 aa) |
| | rpsF | 30S ribosomal protein S6; Binds together with S18 to 16S ribosomal RNA. (105 aa) |
| | priB | Primosomal replication protein N; Binds single-stranded DNA at the primosome assembly site (PAS); Belongs to the PriB family. (115 aa) |
| | rpsR | 30S ribosomal subunit 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. (75 aa) |
| | rplI | 50S ribosomal subunit protein L9; Binds to the 23S rRNA. (150 aa) |
| | rpmB | COG0227 Ribosomal protein L28; Belongs to the bacterial ribosomal protein bL28 family. (78 aa) |
| | rpmG | COG0267 Ribosomal protein L33; Belongs to the bacterial ribosomal protein bL33 family. (51 aa) |
| | rplU | 50S ribosomal subunit protein L21; This protein binds to 23S rRNA in the presence of protein L20; Belongs to the bacterial ribosomal protein bL21 family. (103 aa) |
| | rpmA | COG0211 Ribosomal protein L27; Belongs to the bacterial ribosomal protein bL27 family. (85 aa) |
| | obg | GTPase (Obg family) involved in ribosome maturation; An essential GTPase which binds GTP, GDP and possibly (p)ppGpp with moderate affinity, with high nucleotide exchange rates and a fairly low GTP hydrolysis rate. Plays a role in control of the cell cycle, stress response, ribosome biogenesis and in those bacteria that undergo differentiation, in morphogenesis control. Belongs to the TRAFAC class OBG-HflX-like GTPase superfamily. OBG GTPase family. (384 aa) |
| | valS | Valine 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; Belongs to the class-I aminoacyl-tRNA synthetase family. ValS type 1 subfamily. (948 aa) |
| | gppA | Guanosine-5'-triphosphate,3'-diphosphate pyrophosphatase; Catalyzes the conversion of pppGpp to ppGpp. Guanosine pentaphosphate (pppGpp) is a cytoplasmic signaling molecule which together with ppGpp controls the 'stringent response', an adaptive process that allows bacteria to respond to amino acid starvation, resulting in the coordinated regulation of numerous cellular activities. (504 aa) |
| | rho | Transcription termination factor 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. (419 aa) |
| | EAR26853.1 | COG0093 Ribosomal protein L14. (98 aa) |
| | EAR26967.1 | COG1544 Ribosome-associated protein Y (PSrp-1). (118 aa) |
| | rpsQ | 30S ribosomal subunit protein S17; One of the primary rRNA binding proteins, it binds specifically to the 5'-end of 16S ribosomal RNA. (84 aa) |
| | rpmC | COG0255 Ribosomal protein L29; Belongs to the universal ribosomal protein uL29 family. (63 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. (137 aa) |
| | rpsC | 30S ribosomal subunit 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. (235 aa) |
| | rplV | 50S ribosomal subunit protein L22; The globular domain of the protein is located near the polypeptide exit tunnel on the outside of the subunit, while an extended beta-hairpin is found that lines the wall of the exit tunnel in the center of the 70S ribosome. (110 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. (274 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. (100 aa) |
| | rplD | 50S ribosomal protein L4; Forms part of the polypeptide exit tunnel. (201 aa) |
| | rplC | 50S ribosomal subunit 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. (211 aa) |
| | rpsJ | 30S ribosomal subunit protein S10 (NusE protein); Involved in the binding of tRNA to the ribosomes. Belongs to the universal ribosomal protein uS10 family. (103 aa) |
| | EAR29234.1 | Iron ABC transporter, ATP-binding protein; COG1131 ABC-type multidrug transport system, ATPase component. (62 aa) |
| | EAR29389.1 | Putative orphan protein; COG0477 Permeases of the major facilitator superfamily. (117 aa) |
| | tilS | Putative lysidine forming enzyme, modifying isoleucine tRNA decoding AUA; Ligates lysine onto the cytidine present at position 34 of the AUA codon-specific tRNA(Ile) that contains the anticodon CAU, in an ATP-dependent manner. Cytidine is converted to lysidine, thus changing the amino acid specificity of the tRNA from methionine to isoleucine. Belongs to the tRNA(Ile)-lysidine synthase family. (428 aa) |
| | rnhB | RNAse HII; Endonuclease that specifically degrades the RNA of RNA-DNA hybrids. (194 aa) |
| | lpxB | tetraacyldisaccharide-1-P synthase; Condensation of UDP-2,3-diacylglucosamine and 2,3- diacylglucosamine-1-phosphate to form lipid A disaccharide, a precursor of lipid A, a phosphorylated glycolipid that anchors the lipopolysaccharide to the outer membrane of the cell. (359 aa) |
| | lpxA | UDP-N-acetylglucosamine acyltransferase; Involved in the biosynthesis of lipid A, a phosphorylated glycolipid that anchors the lipopolysaccharide to the outer membrane of the cell. (256 aa) |
| | fabZ | (3R)-hydroxymyristol acyl carrier protein dehydratase; Involved in unsaturated fatty acids biosynthesis. Catalyzes the dehydration of short chain beta-hydroxyacyl-ACPs and long chain saturated and unsaturated beta-hydroxyacyl-ACPs. (150 aa) |
| | lpxD | UDP-3-O-(3-hydroxymyristoyl)-glucosamine N-acyltransferase; Catalyzes the N-acylation of UDP-3-O-acylglucosamine using 3- hydroxyacyl-ACP as the acyl donor. Is involved in the biosynthesis of lipid A, a phosphorylated glycolipid that anchors the lipopolysaccharide to the outer membrane of the cell. Belongs to the transferase hexapeptide repeat family. LpxD subfamily. (346 aa) |
| | bamA | Putative outer membrane protein assembly factor; Part of the outer membrane protein assembly complex, which is involved in assembly and insertion of beta-barrel proteins into the outer membrane. (822 aa) |
| | RseP | COG0750 Predicted membrane-associated Zn-dependent proteases 1. (450 aa) |
| | CdsA | Phosphatidate cytidylyltransferase; (CDP-diglyceride synthetase) (CDP-diglyceride pyrophosphorylase); COG0575 CDP-diglyceride synthetase; Belongs to the CDS family. (278 aa) |
| | uppS | Undecaprenyl pyrophosphate synthetase; Catalyzes the sequential condensation of isopentenyl diphosphate (IPP) with (2E,6E)-farnesyl diphosphate (E,E-FPP) to yield (2Z,6Z,10Z,14Z,18Z,22Z,26Z,30Z,34E,38E)-undecaprenyl diphosphate (di- trans,octa-cis-UPP). UPP is the precursor of glycosyl carrier lipid in the biosynthesis of bacterial cell wall polysaccharide components such as peptidoglycan and lipopolysaccharide. (254 aa) |
| | frr | 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. (185 aa) |
| | pyrH | Uridylate kinase; Catalyzes the reversible phosphorylation of UMP to UDP. (245 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. (283 aa) |
| | rpsB | COG0052 Ribosomal protein S2; Belongs to the universal ribosomal protein uS2 family. (242 aa) |
| | map | 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; Belongs to the peptidase M24A family. Methionine aminopeptidase type 1 subfamily. (262 aa) |
| | dapD | COG2171 Tetrahydrodipicolinate N-succinyltransferase; Belongs to the transferase hexapeptide repeat family. (275 aa) |
| | YfiH | Hypothetical protein; Belongs to the multicopper oxidase YfiH/RL5 family. (244 aa) |
| | RluD | Pseudouridine synthase; Responsible for synthesis of pseudouridine from uracil. Belongs to the pseudouridine synthase RluA family. (325 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 1 subfamily. (942 aa) |
| | rpsT | 30S ribosomal subunit protein S20; Binds directly to 16S ribosomal RNA. (86 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. (544 aa) |
| | MazG | Nucleoside triphosphate pyrophosphohydrolase, non-specific; COG1694 Predicted pyrophosphatase. (165 aa) |
| | EAR29607.1 | Nucleoside triphosphate pyrophosphohydrolase, non-specific; COG1694 Predicted pyrophosphatase. (106 aa) |
| | RelA | (p)ppGpp synthetase I (GTP pyrophosphokinase); In eubacteria ppGpp (guanosine 3'-diphosphate 5-' diphosphate) is a mediator of the stringent response that coordinates a variety of cellular activities in response to changes in nutritional abundance. (721 aa) |
| | rlmD | 23S rRNA (uracil-5)-methyltransferase; Catalyzes the formation of 5-methyl-uridine at position 1939 (m5U1939) in 23S rRNA; Belongs to the class I-like SAM-binding methyltransferase superfamily. RNA M5U methyltransferase family. RlmD subfamily. (440 aa) |
| | tyrS | Tyrosyl-tRNA synthetase II; 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. (400 aa) |
| | EAR29647.1 | Putative peptidase, M23/M37 family protein; COG0739 Membrane proteins related to metalloendopeptidases. (445 aa) |
| | argS | COG0018 Arginyl-tRNA synthetase. (580 aa) |
| | prfC | Peptide chain release factor 3; Increases the formation of ribosomal termination complexes and stimulates activities of RF-1 and RF-2. It binds guanine nucleotides and has strong preference for UGA stop codons. It may interact directly with the ribosome. The stimulation of RF-1 and RF-2 is significantly reduced by GTP and GDP, but not by GMP. Belongs to the TRAFAC class translation factor GTPase superfamily. Classic translation factor GTPase family. PrfC subfamily. (527 aa) |
| | EAR29793.1 | COG0664 cAMP-binding proteins - catabolite gene activator and regulatory subunit of cAMP-dependent protein kinases. (209 aa) |
| | rpsU | COG0828 Ribosomal protein S21; Belongs to the bacterial ribosomal protein bS21 family. (71 aa) |
| | rpoD | RNA polymerase sigma factor rpoD (Sigma-70); 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. (615 aa) |
| | secB | Export protein SecB; One of the proteins required for the normal export of preproteins out of the cell cytoplasm. It is a molecular chaperone that binds to a subset of precursor proteins, maintaining them in a translocation-competent state. It also specifically binds to its receptor SecA. (161 aa) |
| | rpoH | RNA polymerase sigma factor; Sigma factors are initiation factors that promote the attachment of RNA polymerase to specific initiation sites and are then released. This sigma factor is involved in regulation of expression of heat shock genes. (288 aa) |
| | ftsY | Cell division transporter substrate-binding protein FtsY; 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). Interaction with SRP-RNC 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 individual components. (565 aa) |
| | ndk | Nucleoside diphosphate kinase; Major role in the synthesis of nucleoside triphosphates other than ATP. The ATP gamma phosphate is transferred to the NDP beta phosphate via a ping-pong mechanism, using a phosphorylated active-site intermediate; Belongs to the NDK family. (143 aa) |
| | secF | Preprotein translocase, auxillary membrane component (General Secretory Pathway); Part of the Sec protein translocase complex. Interacts with the SecYEG preprotein conducting channel. SecDF uses the proton motive force (PMF) to complete protein translocation after the ATP-dependent function of SecA. (315 aa) |
| | secD | Preprotein translocase, auxillary membrane component (General Secretory Pathway); Part of the Sec protein translocase complex. Interacts with the SecYEG preprotein conducting channel. SecDF uses the proton motive force (PMF) to complete protein translocation after the ATP-dependent function of SecA. (608 aa) |
| | yajC | Putative preprotein translocase IISP family, membrane subunit; 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. (111 aa) |
| | PrfB | Peptide chain release factor 2 (RF-2); Peptide chain release factor 2 directs the termination of translation in response to the peptide chain termination codons UGA and UAA. (260 aa) |
| | lysS | COG1190 Lysyl-tRNA synthetase (class II); Belongs to the class-II aminoacyl-tRNA synthetase family. (511 aa) |
| | CspA-4 | Cold-shock DNA-binding domain family protein; COG1278 Cold shock proteins. (69 aa) |
| | lpxH | UDP-2,3-diacylglucosamine hydrolase; Hydrolyzes the pyrophosphate bond of UDP-2,3- diacylglucosamine to yield 2,3-diacylglucosamine 1-phosphate (lipid X) and UMP by catalyzing the attack of water at the alpha-P atom. Involved in the biosynthesis of lipid A, a phosphorylated glycolipid that anchors the lipopolysaccharide to the outer membrane of the cell. (246 aa) |
| | tig | 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; Belongs to the FKBP-type PPIase family. Tig subfamily. (434 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 [...] (159 aa) |
| | YhbY | COG1534 Predicted RNA-binding protein containing KH domain, possibly ribosomal protein. (98 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. (209 aa) |
| | ftsH | Cell division protease ftsH, ATP-dependent zinc-metallo protease; Acts as a processive, ATP-dependent zinc metallopeptidase for both cytoplasmic and membrane proteins. Plays a role in the quality control of integral membrane proteins; Belongs to the AAA ATPase family. In the central section; belongs to the AAA ATPase family. (631 aa) |
| | SecG | Protein-export membrane protein secG (General Secretory Pathway); Involved in protein export. Participates in an early event of protein translocation; Belongs to the SecG family. (118 aa) |
| | ffh | 4.5S-RNP protein, GTP-binding export factor; 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 individual [...] (457 aa) |
| | rpsP | COG0228 Ribosomal protein S16; Belongs to the bacterial ribosomal protein bS16 family. (82 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. (176 aa) |
| | trmD | tRNA (guanine-7-)-methyltransferase; Specifically methylates guanosine-37 in various tRNAs. Belongs to the RNA methyltransferase TrmD family. (255 aa) |
| | rplS | 50S ribosomal subunit 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. (119 aa) |
| | rimP | Hypothetical protein; Required for maturation of 30S ribosomal subunits. Belongs to the RimP family. (141 aa) |
| | nusA | Transcription elongation factor NusA; Participates in both transcription termination and antitermination. (498 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. (883 aa) |
| | rbfA | Ribosome-binding factor A, role in processing of 16S rRNA; 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. (132 aa) |
| | truB | tRNA pseudouridine 5S 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. (321 aa) |
| | rpsO | 30S ribosomal subunit protein S15; Forms an intersubunit bridge (bridge B4) with the 23S rRNA of the 50S subunit in the ribosome. (89 aa) |
| | leuS | COG0495 Leucyl-tRNA synthetase; Belongs to the class-I aminoacyl-tRNA synthetase family. (862 aa) |
| | trpS | tryptophanyl-tRNA synthetase; Catalyzes the attachment of tryptophan to tRNA(Trp). Belongs to the class-I aminoacyl-tRNA synthetase family. (334 aa) |
| | rpoZ | DNA-directed RNA polymerase omega chain; 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. (91 aa) |
| | SpoT | Bifunctional: (p)ppGpp synthetase II; In eubacteria ppGpp (guanosine 3'-diphosphate 5-' diphosphate) is a mediator of the stringent response that coordinates a variety of cellular activities in response to changes in nutritional abundance. (701 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. (673 aa) |
| | dcd | Deoxycytidine triphosphate deaminase; Catalyzes the deamination of dCTP to dUTP. (196 aa) |
| | ArfA | COG3036 Uncharacterized protein conserved in bacteria. (63 aa) |
| | GatA | Amidase; COG0154 Asp-tRNAAsn/Glu-tRNAGln amidotransferase A subunit and related amidases. (520 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. (72 aa) |
| | glnS | COG0008 Glutamyl- and glutaminyl-tRNA synthetases. (551 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 [...] (573 aa) |
| | TrpS-2 | COG0180 Tryptophanyl-tRNA synthetase; Belongs to the class-I aminoacyl-tRNA synthetase family. (332 aa) |
| | asnS | COG0017 Aspartyl/asparaginyl-tRNA synthetases. (465 aa) |
| | rmf | Ribosome modulation factor; During stationary phase, converts 70S ribosomes to an inactive dimeric form (100S ribosomes); Belongs to the ribosome modulation factor family. (56 aa) |
| | ihfB | Putative integration host factor (iHF), beta subunit, site-specific recombination; This protein is one of the two subunits of integration host factor, a specific DNA-binding protein that functions in genetic recombination as well as in transcriptional and translational control. Belongs to the bacterial histone-like protein family. (96 aa) |
| | gyrA | DNA gyrase, subunit A, type II topoisomerase; 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- [...] (899 aa) |
| | NrdA | Ribonucleotide-diphosphate reductase alpha subunit; Provides the precursors necessary for DNA synthesis. Catalyzes the biosynthesis of deoxyribonucleotides from the corresponding ribonucleotides. (760 aa) |
| | NrdB | COG0208 Ribonucleotide reductase, beta subunit. (376 aa) |
| | YfaE | COG0633 Ferredoxin. (87 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. (119 aa) |
| | rpmI | COG0291 Ribosomal protein L35; Belongs to the bacterial ribosomal protein bL35 family. (66 aa) |
| | infC | Protein chain 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. (188 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). (636 aa) |
| | CspA-6 | COG1278 Cold shock proteins. (69 aa) |
| | rpmF | COG0333 Ribosomal protein L32; Belongs to the bacterial ribosomal protein bL32 family. (54 aa) |
| | EAR28429.1 | Hypothetical protein; COG1399 Predicted metal-binding, possibly nucleic acid-binding protein. (195 aa) |
| | secD-2 | Preprotein translocase subunit SecD; Part of the Sec protein translocase complex. Interacts with the SecYEG preprotein conducting channel. SecDF uses the proton motive force (PMF) to complete protein translocation after the ATP-dependent function of SecA. (621 aa) |
| | secF-2 | Putative preprotein translocase SecF, auxillary membrane component (General Secretory Pathway); Part of the Sec protein translocase complex. Interacts with the SecYEG preprotein conducting channel. SecDF uses the proton motive force (PMF) to complete protein translocation after the ATP-dependent function of SecA. (317 aa) |
| | def-3 | 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. (168 aa) |
| | EAR28615.1 | Hypothetical protein. (56 aa) |
| | ihfA | Integration host factor (IHF), alpha subunit, DNA-bending protein, DNA replication; This protein is one of the two subunits of integration host factor, a specific DNA-binding protein that functions in genetic recombination as well as in transcriptional and translational control. Belongs to the bacterial histone-like protein family. (99 aa) |
| | pheT | phenylalanyl-tRNA synthetase beta subunit; COG0073 EMAP domain; Belongs to the phenylalanyl-tRNA synthetase beta subunit family. Type 1 subfamily. (795 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. (326 aa) |
| | Hda | Putative regulatory factor involved in inactivation of DnaA; COG0593 ATPase involved in DNA replication initiation; Belongs to the DnaA family. HdA subfamily. (236 aa) |
| | EAR28620.1 | COG3249 Uncharacterized protein conserved in bacteria. (351 aa) |
| | aspS | Aspartate tRNA synthetase; Catalyzes the attachment of L-aspartate to tRNA(Asp) in a two-step reaction: L-aspartate is first activated by ATP to form Asp- AMP and then transferred to the acceptor end of tRNA(Asp). Belongs to the class-II aminoacyl-tRNA synthetase family. Type 1 subfamily. (590 aa) |
