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| | EU91_0023 | SSU ribosomal protein S1p; Alternative locus ID: PGP2_1372. (401 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). (638 aa) |
| | efp | Translation 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. (186 aa) |
| | def | 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. (201 aa) |
| | EU91_0259 | ABC transporter; Alternative locus ID: PGP2_0581; ATP binding component. (538 aa) |
| | EU91_0335 | Translation initiation factor SUI1-related protein; Alternative locus ID: PGP2_0657. (103 aa) |
| | EU91_0361 | 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. (769 aa) |
| | rplL | LSU ribosomal protein L7/L12 (P1/P2); 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. (131 aa) |
| | rplJ | LSU ribosomal protein L10p (P0); 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. (175 aa) |
| | rplA | LSU ribosomal protein L1p (L10Ae); Binds directly to 23S rRNA. The L1 stalk is quite mobile in the ribosome, and is involved in E site tRNA release. (235 aa) |
| | rplK | LSU ribosomal protein L11p (L12e); Forms part of the ribosomal stalk which helps the ribosome interact with GTP-bound translation factors. (141 aa) |
| | nusG | Transcription antitermination protein NusG; Participates in transcription elongation, termination and antitermination. (203 aa) |
| | EU91_0482 | SSU ribosomal protein S1p; Alternative locus ID: PGP2_0804. (360 aa) |
| | EU91_0531 | Hypothetical protein; Alternative locus ID: PGP2_0853; Hypothetical protein YaeJ with similarity to translation release factor. (142 aa) |
| | hpf | Ribosomal subunit interface 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. (194 aa) |
| | rpsD | SSU ribosomal protein S4p (S9e); One of the primary rRNA binding proteins, it binds directly to 16S rRNA where it nucleates assembly of the body of the 30S subunit. (188 aa) |
| | gltX | Glutamyl-tRNA synthetase Glutamyl-tRNA(Gln) 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. (477 aa) |
| | rplS | LSU ribosomal protein L19p; 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. (152 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. (279 aa) |
| | rpsB | SSU ribosomal protein S2p (SAe); Alternative locus ID: PGP2_1087; Belongs to the universal ribosomal protein uS2 family. (234 aa) |
| | tsf | Translation elongation factor T; 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. (218 aa) |
| | rpsO | SSU ribosomal protein S15p (S13e); Forms an intersubunit bridge (bridge B4) with the 23S rRNA of the 50S subunit in the ribosome. (89 aa) |
| | rpmB | LSU ribosomal protein L28p; Alternative locus ID: PGP2_1236; Belongs to the bacterial ribosomal protein bL28 family. (78 aa) |
| | rpmG | LSU ribosomal protein L33p; Alternative locus ID: PGP2_1269; Belongs to the bacterial ribosomal protein bL33 family. (64 aa) |
| | rpsR | SSU ribosomal protein S18p; 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. (73 aa) |
| | rpmF | LSU ribosomal protein L32p; Alternative locus ID: PGP2_1292; Belongs to the bacterial ribosomal protein bL32 family. (56 aa) |
| | rpsU | SSU ribosomal protein S21p; Alternative locus ID: PGP2_1345; Belongs to the bacterial ribosomal protein bS21 family. (58 aa) |
| | rpsN | SSU ribosomal protein S14p (S29e); 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. (100 aa) |
| | rpmH | LSU ribosomal protein L34p; Alternative locus ID: PGP2_1564; Belongs to the bacterial ribosomal protein bL34 family. (45 aa) |
| | EU91_1319 | Translation initiation factor 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. (88 aa) |
| | trmD | Putative bifunctional enzyme: tRNA methyltransferase; Involved in the biosynthesis of isopentenyl diphosphate (IPP) and dimethylallyl diphosphate (DMAPP), two major building blocks of isoprenoid compounds. Catalyzes the conversion of 4-diphosphocytidyl-2- C-methyl-D-erythritol 2-phosphate (CDP-ME2P) to 2-C-methyl-D-erythritol 2,4-cyclodiphosphate (ME-CPP) with a corresponding release of cytidine 5-monophosphate (CMP); Belongs to the RNA methyltransferase TrmD family. (406 aa) |
| | rpsP | SSU ribosomal protein S16p; Alternative locus ID: PGP2_0051; Belongs to the bacterial ribosomal protein bS16 family. (121 aa) |
| | rplU | LSU ribosomal protein L21p; This protein binds to 23S rRNA in the presence of protein L20; Belongs to the bacterial ribosomal protein bL21 family. (146 aa) |
| | rpmA | LSU ribosomal protein L27p; Alternative locus ID: PGP2_0113; Belongs to the bacterial ribosomal protein bL27 family. (86 aa) |
| | rpoZ | DNA-directed RNA polymerasee omega subunit; 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. (78 aa) |
| | rpoC2 | DNA-directed RNA polymerasee delta (beta'') subunit; DNA-dependent RNA polymerase catalyzes the transcription of DNA into RNA using the four ribonucleoside triphosphates as substrates. Belongs to the RNA polymerase beta' chain family. RpoC2 subfamily. (1340 aa) |
| | rpoC1 | DNA-directed RNA polymerasee gamma subunit; DNA-dependent RNA polymerase catalyzes the transcription of DNA into RNA using the four ribonucleoside triphosphates as substrates. (633 aa) |
| | rpoB | DNA-directed RNA polymerasee beta subunit; DNA-dependent RNA polymerase catalyzes the transcription of DNA into RNA using the four ribonucleoside triphosphates as substrates. (1097 aa) |
| | EU91_1654 | SSU ribosomal protein S20p; Alternative locus ID: PGP2_0255. (67 aa) |
| | rpsJ | SSU ribosomal protein S10p (S20e); Involved in the binding of tRNA to the ribosomes. Belongs to the universal ribosomal protein uS10 family. (116 aa) |
| | tuf | Translation elongation factor Tu; This protein promotes the GTP-dependent binding of aminoacyl- tRNA to the A-site of ribosomes during protein biosynthesis. (399 aa) |
| | fusA | Translation 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 s [...] (691 aa) |
| | rpsG | SSU ribosomal protein S7p (S5e); 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) |
| | rpsL | SSU ribosomal protein S12p (S23e); 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) |
| | rpmE | LSU ribosomal protein L31p; Binds the 23S rRNA; Belongs to the bacterial ribosomal protein bL31 family. Type A subfamily. (85 aa) |
| | rpsI | SSU ribosomal protein S9p (S16e); Alternative locus ID: PGP2_0299; Belongs to the universal ribosomal protein uS9 family. (136 aa) |
| | rplM | LSU ribosomal protein L13p (L13Ae); 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. (143 aa) |
| | rplQ | LSU ribosomal protein L17p; Alternative locus ID: PGP2_0302. (116 aa) |
| | rpoA | DNA-directed RNA polymerasee alpha subunit; DNA-dependent RNA polymerase catalyzes the transcription of DNA into RNA using the four ribonucleoside triphosphates as substrates. (342 aa) |
| | rpsK | SSU ribosomal protein S11p (S14e); 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. (130 aa) |
| | rpsM | SSU ribosomal protein S13p (S18e); 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) |
| | rplO | LSU ribosomal protein L15p (L27Ae); Binds to the 23S rRNA; Belongs to the universal ribosomal protein uL15 family. (155 aa) |
| | rpsE | SSU ribosomal protein S5p (S2e); 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. (206 aa) |
| | rplR | LSU ribosomal protein L18p (L5e); 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. (122 aa) |
| | rplF | LSU ribosomal protein L6p (L9e); 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. (179 aa) |
| | rpsH | SSU ribosomal protein S8p (S15Ae); 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. (133 aa) |
| | rplE | LSU ribosomal protein L5p (L11e); 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 | LSU ribosomal protein L24p (L26e); One of the proteins that surrounds the polypeptide exit tunnel on the outside of the subunit. (118 aa) |
| | rplN | LSU ribosomal protein L14p (L23e); Binds to 23S rRNA. Forms part of two intersubunit bridges in the 70S ribosome; Belongs to the universal ribosomal protein uL14 family. (121 aa) |
| | rpsQ | SSU ribosomal protein S17p (S11e); One of the primary rRNA binding proteins, it binds specifically to the 5'-end of 16S ribosomal RNA. (88 aa) |
| | rpmC | LSU ribosomal protein L29p (L35e); Alternative locus ID: PGP2_0317; Belongs to the universal ribosomal protein uL29 family. (72 aa) |
| | rplP | LSU ribosomal protein L16p (L10e); 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. (160 aa) |
| | rpsC | SSU ribosomal protein S3p (S3e); 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. (243 aa) |
| | rplV | LSU ribosomal protein L22p (L17e); 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. (128 aa) |
| | EU91_1720 | SSU ribosomal protein S19p (S15e); Alternative locus ID: PGP2_0321; Belongs to the universal ribosomal protein uS19 family. (49 aa) |
| | rplB | LSU ribosomal protein L2p (L8e); 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. (287 aa) |
| | rplW | LSU ribosomal protein L23p (L23Ae); 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 | LSU ribosomal protein L4p (L1e); Forms part of the polypeptide exit tunnel. (210 aa) |
| | rplC | LSU ribosomal protein L3p (L3e); 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; Belongs to the universal ribosomal protein uL3 family. (206 aa) |
| | rnc | Ribonuclease III; Digests double-stranded RNA. Involved in the processing of primary rRNA transcript to yield the immediate precursors to the large and small rRNAs (23S and 16S). Processes some mRNAs, and tRNAs when they are encoded in the rRNA operon. Processes pre-crRNA and tracrRNA of type II CRISPR loci if present in the organism. (249 aa) |
| | rimM | 16S rRNA processing protein RimM; 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. (181 aa) |
| | smpB | tmRNA-binding protein SmpB; 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 switc [...] (164 aa) |
| | infC | Translation initiation factor 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. (190 aa) |
| | tig | Cell division 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. (469 aa) |
| | rpmI | LSU ribosomal protein L35p; Alternative locus ID: PGP2_0428; Belongs to the bacterial ribosomal protein bL35 family. (65 aa) |
| | rplT | LSU ribosomal protein L20p; 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. (115 aa) |
| | rplI | LSU ribosomal protein L9p; Binds to the 23S rRNA. (151 aa) |
