STRINGSTRING
secB secB AIL97891.1 AIL97891.1 rimP rimP nusA nusA AIL98080.1 AIL98080.1 infB infB rbfA rbfA truB truB rpsO rpsO pnp pnp cmk cmk AIL98097.1 AIL98097.1 lepA lepA infC infC rpmI rpmI rplT rplT pheS pheS pheT pheT prfC prfC rpsT rpsT rph rph raiA raiA AIL98282.1 AIL98282.1 yidC yidC rpmH rpmH secF secF infA infA ileS ileS atpB atpB atpE atpE atpF atpF atpF-2 atpF-2 glyQ glyQ glyS glyS smpB smpB rpoZ rpoZ AIL98892.1 AIL98892.1 acpS acpS lepB lepB rnc rnc era era rplI rplI rpsR rpsR rpsF rpsF ndk ndk rnd rnd aspS aspS AIL99042.1 AIL99042.1 rpsI rpsI rplM rplM proS proS rpmG rpmG rnr rnr rne rne prfB prfB tuf tuf secE secE nusG nusG rplK rplK rplA rplA rplJ rplJ rplL rplL rpoB rpoB rpoC rpoC rpsL rpsL rpsG rpsG fusA fusA tuf-2 tuf-2 rpsJ rpsJ rplC rplC rplD rplD rplW rplW rplB rplB rpsS rpsS rplV rplV rpsC rpsC rplP rplP rpmC rpmC rpsQ rpsQ rplN rplN rplX rplX rplE rplE rpsN rpsN rpsH rpsH rplF rplF rplR rplR rpsE rpsE rpmD rpmD rplO rplO secY secY adk adk rpsM rpsM rpsK rpsK rpoA rpoA rplQ rplQ thrS thrS secG secG rpsB rpsB tsf tsf pyrH pyrH frr frr AIL99324.1 AIL99324.1 AIL99325.1 AIL99325.1 rseP rseP valS valS argS argS tatA-2 tatA-2 tatB tatB tatC tatC serS serS yajC yajC secF-2 secF-2 tig tig greA greA AIL99426.1 AIL99426.1 AIL99427.1 AIL99427.1 metG metG nnrE nnrE tyrS tyrS AIL99616.1 AIL99616.1 rpsD rpsD dksA dksA rpsU rpsU rpoD rpoD rplY rplY pth pth ychF ychF AIM00312.1 AIM00312.1 AIM00313.1 AIM00313.1 AIM00314.1 AIM00314.1 AIM00557.1 AIM00557.1 prmC prmC prfA prfA secA secA AIM00585.1 AIM00585.1 rpmB rpmB rpoH rpoH AIM00701.1 AIM00701.1 rpmE rpmE rpmJ rpmJ rpsU-2 rpsU-2 AIM00845.1 AIM00845.1 gltX gltX lysS lysS atpC atpC atpD atpD atpG atpG atpA atpA atpH atpH ppa ppa typA typA rplU rplU rpmA rpmA rppH rppH ftsY ftsY mtaB mtaB ffh ffh rpsP rpsP rimM rimM trmD trmD rplS rplS rpoH2 rpoH2 AIM01136.1 AIM01136.1 rpmF rpmF leuS leuS rho rho
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splice isoforms or post-translational modifications are collapsed, i.e. each node represents all the proteins produced by a single, protein-coding gene locus.
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colored nodes:
query proteins and first shell of interactors
white nodes:
second shell of interactors
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empty nodes:
proteins of unknown 3D structure
filled nodes:
a 3D structure is known or predicted
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Edges represent protein-protein associations
associations are meant to be specific and meaningful, i.e. proteins jointly contribute to a shared function; this does not necessarily mean they are physically binding to each other.
Known Interactions
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experimentally determined
Predicted Interactions
gene neighborhood
gene fusions
gene co-occurrence
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textmining
co-expression
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secBProtein-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. (168 aa)
AIL97891.1Peptide chain release factor I; Derived by automated computational analysis using gene prediction method: Protein Homology. (144 aa)
rimPRibosome maturation factor RimP; Required for maturation of 30S ribosomal subunits. Belongs to the RimP family. (205 aa)
nusATranscription elongation factor NusA; Participates in both transcription termination and antitermination. (542 aa)
AIL98080.1DNA-binding protein; Derived by automated computational analysis using gene prediction method: Protein Homology. (230 aa)
infBTranslation 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. (889 aa)
rbfARibosome-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. (135 aa)
truBtRNA pseudouridine synthase B; 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. (311 aa)
rpsO30S ribosomal protein S15; Forms an intersubunit bridge (bridge B4) with the 23S rRNA of the 50S subunit in the ribosome. (89 aa)
pnpPolynucleotide phosphorylase/polyadenylase; Involved in mRNA degradation. Catalyzes the phosphorolysis of single-stranded polyribonucleotides processively in the 3'- to 5'- direction. (717 aa)
cmkCytidylate kinase; Derived by automated computational analysis using gene prediction method: Protein Homology. (212 aa)
AIL98097.130S ribosomal protein S1; Binds mRNA; thus facilitating recognition of the initiation point. It is needed to translate mRNA with a short Shine-Dalgarno (SD) purine-rich sequence. (568 aa)
lepAGTP-binding protein LepA; Required for accurate and efficient protein synthesis under certain stress conditions. May act as a fidelity factor of the translation reaction, by catalyzing a one-codon backward translocation of tRNAs on improperly translocated ribosomes. Back-translocation proceeds from a post-translocation (POST) complex to a pre- translocation (PRE) complex, thus giving elongation factor G a second chance to translocate the tRNAs correctly. Binds to ribosomes in a GTP- dependent manner. (611 aa)
infCTranslation 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. (143 aa)
rpmI50S ribosomal protein L35; Derived by automated computational analysis using gene prediction method: Protein Homology; Belongs to the bacterial ribosomal protein bL35 family. (67 aa)
rplT50S 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. (134 aa)
pheSphenylalanyl-tRNA synthetase subunit alpha; Derived by automated computational analysis using gene prediction method: Protein Homology; Belongs to the class-II aminoacyl-tRNA synthetase family. Phe-tRNA synthetase alpha subunit type 1 subfamily. (360 aa)
pheTphenylalanyl-tRNA synthetase subunit beta; Derived by automated computational analysis using gene prediction method: Protein Homology; Belongs to the phenylalanyl-tRNA synthetase beta subunit family. Type 1 subfamily. (808 aa)
prfCPeptide 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)
rpsT30S ribosomal protein S20; Binds directly to 16S ribosomal RNA. (88 aa)
rphRibonuclease PH; Phosphorolytic 3'-5' exoribonuclease that plays an important role in tRNA 3'-end maturation. Removes nucleotide residues following the 3'-CCA terminus of tRNAs; can also add nucleotides to the ends of RNA molecules by using nucleoside diphosphates as substrates, but this may not be physiologically important. Probably plays a role in initiation of 16S rRNA degradation (leading to ribosome degradation) during starvation. (239 aa)
raiAHypothetical 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. (190 aa)
AIL98282.1DEAD/DEAH box helicase; Derived by automated computational analysis using gene prediction method: Protein Homology; Belongs to the DEAD box helicase family. (630 aa)
yidCInsertase; 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. (594 aa)
rpmH50S ribosomal protein L34; In Escherichia coli transcription of this gene is enhanced by polyamines; Derived by automated computational analysis using gene prediction method: Protein Homology; Belongs to the bacterial ribosomal protein bL34 family. (44 aa)
secFPreprotein translocase subunit SecD/SecF; 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; Belongs to the SecD/SecF family. SecD subfamily. (844 aa)
infATranslation 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)
ileSisoleucine--tRNA ligase; 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). (969 aa)
atpBATP synthase F0F1 subunit A; Key component of the proton channel; it plays a direct role in the translocation of protons across the membrane. Belongs to the ATPase A chain family. (250 aa)
atpEATP F0F1 synthase subunit C; 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. (75 aa)
atpFATP synthase F0F1 subunit B; Component of the F(0) channel, it forms part of the peripheral stalk, linking F(1) to F(0); Belongs to the ATPase B chain family. (204 aa)
atpF-2ATP F0F1 synthase subunit B; Component of the F(0) channel, it forms part of the peripheral stalk, linking F(1) to F(0); Belongs to the ATPase B chain family. (161 aa)
glyQglycyl-tRNA synthetase subunit alpha; Derived by automated computational analysis using gene prediction method: Protein Homology. (320 aa)
glySglycyl-tRNA synthetase subunit beta; Derived by automated computational analysis using gene prediction method: Protein Homology. (721 aa)
smpBSsrA-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)
rpoZDNA-directed RNA polymerase subunit omega; 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. (135 aa)
AIL98892.1Membrane protein; Derived by automated computational analysis using gene prediction method: Protein Homology. (214 aa)
acpS4'-phosphopantetheinyl transferase; Transfers the 4'-phosphopantetheine moiety from coenzyme A to a Ser of acyl-carrier-protein; Belongs to the P-Pant transferase superfamily. AcpS family. (139 aa)
lepBSignal peptidase; Derived by automated computational analysis using gene prediction method: Protein Homology; Belongs to the peptidase S26 family. (247 aa)
rncRibonuclease 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. (238 aa)
eraGTPase Era; An essential GTPase that binds both GDP and GTP, with rapid nucleotide exchange. Plays a role in 16S rRNA processing and 30S ribosomal subunit biogenesis and possibly also in cell cycle regulation and energy metabolism. (309 aa)
rplI50S ribosomal protein L9; Binds to the 23S rRNA. (191 aa)
rpsR30S ribosomal protein S18; Binds as a heterodimer with protein S6 to the central domain of the 16S rRNA, where it helps stabilize the platform of the 30S subunit; Belongs to the bacterial ribosomal protein bS18 family. (82 aa)
rpsF30S ribosomal protein S6; Binds together with S18 to 16S ribosomal RNA. (149 aa)
ndkPhosphodiesterase; 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. (140 aa)
rndRibonuclease D; Exonuclease involved in the 3' processing of various precursor tRNAs. Initiates hydrolysis at the 3'-terminus of an RNA molecule and releases 5'-mononucleotides; Belongs to the RNase D family. (383 aa)
aspSaspartyl-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. (595 aa)
AIL99042.1Metal-binding protein; Derived by automated computational analysis using gene prediction method: Protein Homology. (183 aa)
rpsI30S ribosomal protein S9; Derived by automated computational analysis using gene prediction method: Protein Homology; Belongs to the universal ribosomal protein uS9 family. (155 aa)
rplM50S 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. (154 aa)
proSproline--tRNA ligase; Catalyzes the attachment of proline to tRNA(Pro) in a two- step reaction: proline is first activated by ATP to form Pro-AMP and then transferred to the acceptor end of tRNA(Pro); Belongs to the class-II aminoacyl-tRNA synthetase family. ProS type 2 subfamily. (442 aa)
rpmG50S ribosomal protein L33; Derived by automated computational analysis using gene prediction method: Protein Homology; Belongs to the bacterial ribosomal protein bL33 family. (55 aa)
rnrRibonuclease R; 3'-5' exoribonuclease that releases 5'-nucleoside monophosphates and is involved in maturation of structured RNAs. (789 aa)
rneRibonuclease; Endoribonuclease that plays a central role in RNA processing and decay. Required for the maturation of 5S and 16S rRNAs and the majority of tRNAs. Also involved in the degradation of most mRNAs. Belongs to the RNase E/G family. RNase E subfamily. (924 aa)
prfBPeptide 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. (342 aa)
tufElongation factor Tu; This protein promotes the GTP-dependent binding of aminoacyl- tRNA to the A-site of ribosomes during protein biosynthesis. (391 aa)
secEPreprotein 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. (66 aa)
nusGAntitermination protein NusG; Participates in transcription elongation, termination and antitermination. (176 aa)
rplK50S ribosomal protein L11; Forms part of the ribosomal stalk which helps the ribosome interact with GTP-bound translation factors. (142 aa)
rplA50S 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. (232 aa)
rplJ50S 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. (172 aa)
rplL50S ribosomal protein L7; 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. (126 aa)
rpoBDNA-directed RNA polymerase subunit beta; DNA-dependent RNA polymerase catalyzes the transcription of DNA into RNA using the four ribonucleoside triphosphates as substrates. (1380 aa)
rpoCDNA-directed RNA polymerase subunit beta; DNA-dependent RNA polymerase catalyzes the transcription of DNA into RNA using the four ribonucleoside triphosphates as substrates. (1401 aa)
rpsL30S 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. (123 aa)
rpsG30S ribosomal protein S7; One of the primary rRNA binding proteins, it binds directly to 16S rRNA where it nucleates assembly of the head domain of the 30S subunit. Is located at the subunit interface close to the decoding center, probably blocks exit of the E-site tRNA; Belongs to the universal ribosomal protein uS7 family. (156 aa)
fusAElongation factor G; Catalyzes the GTP-dependent ribosomal translocation step during translation elongation. During this step, the ribosome changes from the pre-translocational (PRE) to the post-translocational (POST) state as the newly formed A-site-bound peptidyl-tRNA and P-site-bound deacylated tRNA move to the P and E sites, respectively. Catalyzes the coordinated movement of the two tRNA molecules, the mRNA and conformational changes in the ribosome; Belongs to the TRAFAC class translation factor GTPase superfamily. Classic translation factor GTPase family. EF-G/EF-2 subfamily. (699 aa)
tuf-2Elongation factor Tu; EF-Tu; promotes GTP-dependent binding of aminoacyl-tRNA to the A-site of ribosomes during protein biosynthesis; when the tRNA anticodon matches the mRNA codon, GTP hydrolysis results; the inactive EF-Tu-GDP leaves the ribosome and release of GDP is promoted by elongation factor Ts; many prokaryotes have two copies of the gene encoding EF-Tu; Derived by automated computational analysis using gene prediction method: Protein Homology. (391 aa)
rpsJ30S ribosomal protein S10; Involved in the binding of tRNA to the ribosomes. Belongs to the universal ribosomal protein uS10 family. (102 aa)
rplC50S ribosomal protein L3; One of the primary rRNA binding proteins, it binds directly near the 3'-end of the 23S rRNA, where it nucleates assembly of the 50S subunit. (228 aa)
rplD50S ribosomal protein L4; Forms part of the polypeptide exit tunnel. (206 aa)
rplW50S 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. (97 aa)
rplB50S 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. (278 aa)
rpsS30S ribosomal protein S19; Protein S19 forms a complex with S13 that binds strongly to the 16S ribosomal RNA. (92 aa)
rplV50S ribosomal 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. (129 aa)
rpsC30S ribosomal protein S3; Binds the lower part of the 30S subunit head. Binds mRNA in the 70S ribosome, positioning it for translation; Belongs to the universal ribosomal protein uS3 family. (237 aa)
rplP50S 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)
rpmC50S ribosomal protein L29; Derived by automated computational analysis using gene prediction method: Protein Homology; Belongs to the universal ribosomal protein uL29 family. (66 aa)
rpsQ30S ribosomal protein S17; One of the primary rRNA binding proteins, it binds specifically to the 5'-end of 16S ribosomal RNA. (78 aa)
rplN50S 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)
rplX50S ribosomal protein L24; One of the proteins that surrounds the polypeptide exit tunnel on the outside of the subunit. (103 aa)
rplE50S ribosomal protein L5; This is 1 of the proteins that binds and probably mediates the attachment of the 5S RNA into the large ribosomal subunit, where it forms part of the central protuberance. In the 70S ribosome it contacts protein S13 of the 30S subunit (bridge B1b), connecting the 2 subunits; this bridge is implicated in subunit movement. Contacts the P site tRNA; the 5S rRNA and some of its associated proteins might help stabilize positioning of ribosome-bound tRNAs. (185 aa)
rpsN30S ribosomal protein S14; Binds 16S rRNA, required for the assembly of 30S particles and may also be responsible for determining the conformation of the 16S rRNA at the A site; Belongs to the universal ribosomal protein uS14 family. (101 aa)
rpsH30S ribosomal protein S8; One of the primary rRNA binding proteins, it binds directly to 16S rRNA central domain where it helps coordinate assembly of the platform of the 30S subunit; Belongs to the universal ribosomal protein uS8 family. (132 aa)
rplF50S 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)
rplR50S 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)
rpsE30S ribosomal 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. (189 aa)
rpmD50S ribosomal protein L30; Derived by automated computational analysis using gene prediction method: Protein Homology. (67 aa)
rplO50S ribosomal protein L15; Binds to the 23S rRNA; Belongs to the universal ribosomal protein uL15 family. (156 aa)
secYPreprotein 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. (446 aa)
adkAdenylate 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. (192 aa)
rpsM30S 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. (122 aa)
rpsK30S ribosomal protein S11; Located on the platform of the 30S subunit, it bridges several disparate RNA helices of the 16S rRNA. Forms part of the Shine- Dalgarno cleft in the 70S ribosome; Belongs to the universal ribosomal protein uS11 family. (129 aa)
rpoADNA-directed RNA polymerase subunit alpha; DNA-dependent RNA polymerase catalyzes the transcription of DNA into RNA using the four ribonucleoside triphosphates as substrates. (336 aa)
rplQ50S ribosomal protein L17; Derived by automated computational analysis using gene prediction method: Protein Homology. (141 aa)
thrSthreonine--tRNA ligase; 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). (660 aa)
secGPreprotein translocase subunit SecG; Involved in protein export. Participates in an early event of protein translocation; Belongs to the SecG family. (161 aa)
rpsB30S ribosomal protein S2; Derived by automated computational analysis using gene prediction method: Protein Homology; Belongs to the universal ribosomal protein uS2 family. (255 aa)
tsfElongation 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. (307 aa)
pyrHUridylate kinase; Catalyzes the reversible phosphorylation of UMP to UDP. (240 aa)
frrRibosome-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. (186 aa)
AIL99324.1UDP pyrophosphate synthase; Catalyzes the condensation of isopentenyl diphosphate (IPP) with allylic pyrophosphates generating different type of terpenoids. (247 aa)
AIL99325.1Phosphatidate cytidylyltransferase; Derived by automated computational analysis using gene prediction method: Protein Homology; Belongs to the CDS family. (277 aa)
rsePZinc metalloprotease; Derived by automated computational analysis using gene prediction method: Protein Homology. (374 aa)
valSvalyl-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. (947 aa)
argSarginyl-tRNA synthetase; Derived by automated computational analysis using gene prediction method: Protein Homology. (585 aa)
tatA-2Preprotein translocase subunit TatA; Part of the twin-arginine translocation (Tat) system that transports large folded proteins containing a characteristic twin- arginine motif in their signal peptide across membranes. TatA could form the protein-conducting channel of the Tat system. (68 aa)
tatBPreprotein translocase; Part of the twin-arginine translocation (Tat) system that transports large folded proteins containing a characteristic twin- arginine motif in their signal peptide across membranes. Together with TatC, TatB is part of a receptor directly interacting with Tat signal peptides. TatB may form an oligomeric binding site that transiently accommodates folded Tat precursor proteins before their translocation. (215 aa)
tatCPreprotein translocase subunit TatC; Part of the twin-arginine translocation (Tat) system that transports large folded proteins containing a characteristic twin- arginine motif in their signal peptide across membranes. Together with TatB, TatC is part of a receptor directly interacting with Tat signal peptides. (280 aa)
serSserine--tRNA ligase; 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). (427 aa)
yajCMembrane protein; 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. (110 aa)
secF-2Preprotein translocase subunit SecD/SecF; 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; Belongs to the SecD/SecF family. SecD subfamily. (858 aa)
tigTrigger 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. (491 aa)
greAHypothetical protein; 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. (158 aa)
AIL99426.1PhnP; Derived by automated computational analysis using gene prediction method: Protein Homology. (278 aa)
AIL99427.1LuxR family transcriptional regulator; Derived by automated computational analysis using gene prediction method: Protein Homology. (259 aa)
metGmethionine--tRNA ligase; 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. (516 aa)
nnrEHypothetical protein; Bifunctional enzyme that catalyzes the epimerization of the S- and R-forms of NAD(P)HX and the dehydration of the S-form of NAD(P)HX at the expense of ADP, which is converted to AMP. This allows the repair of both epimers of NAD(P)HX, a damaged form of NAD(P)H that is a result of enzymatic or heat-dependent hydration. Catalyzes the epimerization of the S- and R-forms of NAD(P)HX, a damaged form of NAD(P)H that is a result of enzymatic or heat-dependent hydration. This is a prerequisite for the S-specific NAD(P)H-hydrate dehydratase to allow the repair of both epi [...] (494 aa)
tyrStyrosyl-tRNA synthetase; Catalyzes the attachment of tyrosine to tRNA(Tyr) in a two- step reaction: tyrosine is first activated by ATP to form Tyr-AMP and then transferred to the acceptor end of tRNA(Tyr); Belongs to the class-I aminoacyl-tRNA synthetase family. TyrS type 1 subfamily. (417 aa)
AIL99616.1RNA helicase; Derived by automated computational analysis using gene prediction method: Protein Homology; Belongs to the DEAD box helicase family. (499 aa)
rpsD30S ribosomal protein S4; One of the primary rRNA binding proteins, it binds directly to 16S rRNA where it nucleates assembly of the body of the 30S subunit. (205 aa)
dksAMolecular chaperone DnaK; Transcription factor that acts by binding directly to the RNA polymerase (RNAP). Required for negative regulation of rRNA expression and positive regulation of several amino acid biosynthesis promoters. (139 aa)
rpsU30S ribosomal protein S21; Derived by automated computational analysis using gene prediction method: Protein Homology; Belongs to the bacterial ribosomal protein bS21 family. (78 aa)
rpoDRNA polymerase sigma factor RpoD; 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. (684 aa)
rplY50S 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. (204 aa)
pthpeptidyl-tRNA hydrolase; The natural substrate for this enzyme may be peptidyl-tRNAs which drop off the ribosome during protein synthesis. Belongs to the PTH family. (239 aa)
ychFGTP-binding protein; ATPase that binds to both the 70S ribosome and the 50S ribosomal subunit in a nucleotide-independent manner. (367 aa)
AIM00312.1poly(A) polymerase; Derived by automated computational analysis using gene prediction method: Protein Homology; Belongs to the tRNA nucleotidyltransferase/poly(A) polymerase family. (419 aa)
AIM00313.1DNA mismatch repair protein MutT; Derived by automated computational analysis using gene prediction method: Protein Homology. (210 aa)
AIM00314.1Hypothetical protein; Derived by automated computational analysis using gene prediction method: Protein Homology. (207 aa)
AIM00557.1Hypothetical protein; Derived by automated computational analysis using gene prediction method: Protein Homology. (66 aa)
prmCSAM-dependent methyltransferase; Methylates the class 1 translation termination release factors RF1/PrfA and RF2/PrfB on the glutamine residue of the universally conserved GGQ motif; Belongs to the protein N5-glutamine methyltransferase family. PrmC subfamily. (293 aa)
prfAPeptide chain release factor 1; Peptide chain release factor 1 directs the termination of translation in response to the peptide chain termination codons UAG and UAA. (360 aa)
secAPreprotein translocase subunit SecA; 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. (903 aa)
AIM00585.1glutamyl-Q tRNA(Asp) ligase; Derived by automated computational analysis using gene prediction method: Protein Homology; Belongs to the class-I aminoacyl-tRNA synthetase family. (298 aa)
rpmB50S ribosomal protein L28; Derived by automated computational analysis using gene prediction method: Protein Homology; Belongs to the bacterial ribosomal protein bL28 family. (96 aa)
rpoHRNA polymerase 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 involved in regulation of expression of heat shock genes. (301 aa)
AIM00701.1Transcriptional regulator; Derived by automated computational analysis using gene prediction method: Protein Homology. (248 aa)
rpmE50S ribosomal protein L31; Binds the 23S rRNA; Belongs to the bacterial ribosomal protein bL31 family. Type A subfamily. (73 aa)
rpmJ50S ribosomal protein L36; Derived by automated computational analysis using gene prediction method: Protein Homology; Belongs to the bacterial ribosomal protein bL36 family. (41 aa)
rpsU-230S ribosomal protein S21; Derived by automated computational analysis using gene prediction method: Protein Homology; Belongs to the bacterial ribosomal protein bS21 family. (70 aa)
AIM00845.1AraC family transcriptional regulator; Derived by automated computational analysis using gene prediction method: Protein Homology. (279 aa)
gltXglutamyl-tRNA synthetase; Catalyzes the attachment of glutamate to tRNA(Glu) in a two- step reaction: glutamate is first activated by ATP to form Glu-AMP and then transferred to the acceptor end of tRNA(Glu); Belongs to the class-I aminoacyl-tRNA synthetase family. Glutamate--tRNA ligase type 1 subfamily. (485 aa)
lysSlysine--tRNA ligase; Class II; LysRS2; catalyzes a two-step reaction, first charging a lysine molecule by linking its carboxyl group to the alpha-phosphate of ATP, followed by transfer of the aminoacyl-adenylate to its tRNA; in Methanosarcina barkeri, LysRS2 charges both tRNA molecules for lysine that exist in this organism and in addition can charge the tRNAPyl with lysine in the presence of LysRS1; Derived by automated computational analysis using gene prediction method: Protein Homology; Belongs to the class-II aminoacyl-tRNA synthetase family. (498 aa)
atpCATP synthase F0F1 subunit epsilon; Produces ATP from ADP in the presence of a proton gradient across the membrane. (134 aa)
atpDATP synthase F0F1 subunit beta; Produces ATP from ADP in the presence of a proton gradient across the membrane. The catalytic sites are hosted primarily by the beta subunits. (504 aa)
atpGATP synthase F0F1 subunit gamma; 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. (294 aa)
atpAATP F0F1 synthase subunit alpha; Produces ATP from ADP in the presence of a proton gradient across the membrane. The alpha chain is a regulatory subunit. (509 aa)
atpHATP synthase F0F1 subunit delta; 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. (188 aa)
ppaInorganic pyrophosphatase; Catalyzes the hydrolysis of inorganic pyrophosphate (PPi) forming two phosphate ions. (177 aa)
typAGTP-binding protein TypA; Derived by automated computational analysis using gene prediction method: Protein Homology. (608 aa)
rplU50S ribosomal protein L21; This protein binds to 23S rRNA in the presence of protein L20; Belongs to the bacterial ribosomal protein bL21 family. (123 aa)
rpmA50S ribosomal protein L27; Derived by automated computational analysis using gene prediction method: Protein Homology; Belongs to the bacterial ribosomal protein bL27 family. (89 aa)
rppHRNA pyrophosphohydrolase; Accelerates the degradation of transcripts by removing pyrophosphate from the 5'-end of triphosphorylated RNA, leading to a more labile monophosphorylated state that can stimulate subsequent ribonuclease cleavage; Belongs to the Nudix hydrolase family. RppH subfamily. (175 aa)
ftsYCell division 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. (548 aa)
mtaB2-methylthioadenine synthase; Derived by automated computational analysis using gene prediction method: Protein Homology. (424 aa)
ffhRNA-binding protein; 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 components; Belongs to t [...] (513 aa)
rpsP30S ribosomal protein S16; Derived by automated computational analysis using gene prediction method: Protein Homology; Belongs to the bacterial ribosomal protein bS16 family. (124 aa)
rimM16S 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. (187 aa)
trmDtRNA (guanine-N1)-methyltransferase; Specifically methylates guanosine-37 in various tRNAs. Belongs to the RNA methyltransferase TrmD family. (240 aa)
rplS50S 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. (177 aa)
rpoH2RNA polymerase sigma 70; Sigma factors are initiation factors that promote the attachment of RNA polymerase to specific initiation sites and are then released. (288 aa)
AIM01136.1CarD family transcriptional regulator; Derived by automated computational analysis using gene prediction method: Protein Homology. (189 aa)
rpmF50S ribosomal protein L32; Derived by automated computational analysis using gene prediction method: Protein Homology; Belongs to the bacterial ribosomal protein bL32 family. (61 aa)
leuSleucyl-tRNA synthetase; Derived by automated computational analysis using gene prediction method: Protein Homology; Belongs to the class-I aminoacyl-tRNA synthetase family. (876 aa)
rhoTranscription 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. (421 aa)
Your Current Organism:
Sinorhizobium meliloti
NCBI taxonomy Id: 382
Other names: ATCC 9930, CCUG 27879, CFBP 5561, DSM 30135, Ensifer meliloti, Ensifer sp. AC50a, Ensifer sp. AC50e, HAMBI 2148, IAM 12611, ICMP 12623, IFO 14782, JCM 20682, LMG 6133, LMG:6133, NBRC 14782, NCAIM B.01520, NRRL L-45, NZP 4027, Rhizobium meliloti, Rhizobium meliloti (megaplasmid pRME41B SYM), Rhizobium meliloti (plasmid pRmeGR4b), Rhizobium meliloti plasmid pRmeGR4b, Rhizobium sp. AC50e, S. meliloti
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