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rpoZ rpoZ lepA lepA rplQ rplQ rpoA rpoA rpsK rpsK rpsM rpsM rplO rplO rpmD rpmD rpsE rpsE rplR rplR rplF rplF rpsH rpsH rpsN rpsN rplE rplE rplX rplX rplN rplN rpsQ rpsQ rpmC rpmC rplP rplP rpsC rpsC rplV rplV rpsS rpsS rplB rplB rplW rplW rplD rplD rplC rplC rpsJ rpsJ tuf tuf fusA fusA rpsG rpsG rpsL rpsL rpoC rpoC rpoB rpoB rplL rplL rplJ rplJ rplA rplA rplK rplK nusG nusG M446_0371 M446_0371 efp efp frr frr rpsU rpsU smpB smpB rpsD rpsD rplY rplY rpsF rpsF rpsR rpsR rplI rplI nusA nusA rplS rplS greA greA map map rpmB rpmB rimM rimM rpsP rpsP M446_3817 M446_3817 rplU rplU rpmA rpmA infC infC M446_4329 M446_4329 trmD trmD rpsI rpsI rplM rplM rpsB rpsB tsf tsf M446_4877 M446_4877 rpsO rpsO rpmH rpmH rpmJ rpmJ M446_5234 M446_5234 rpmF rpmF rplT rplT rpmI rpmI infA infA prfB prfB M446_5952 M446_5952 M446_6076 M446_6076 M446_6228 M446_6228 tig tig rpmG rpmG map-2 map-2 rpoD rpoD rpoH rpoH rpsT rpsT
Nodes:
Network nodes represent proteins
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
from curated databases
experimentally determined
Predicted Interactions
gene neighborhood
gene fusions
gene co-occurrence
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textmining
co-expression
protein homology
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rpoZDNA-directed RNA polymerase, 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. (137 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. (601 aa)
rplQPFAM: ribosomal protein L17; KEGG: mex:Mext_2175 ribosomal protein L17. (138 aa)
rpoADNA-directed RNA polymerase, alpha subunit; DNA-dependent RNA polymerase catalyzes the transcription of DNA into RNA using the four ribonucleoside triphosphates as substrates. (339 aa)
rpsKRibosomal 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)
rpsMRibosomal 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)
rplORibosomal protein L15; Binds to the 23S rRNA; Belongs to the universal ribosomal protein uL15 family. (162 aa)
rpmDTIGRFAM: ribosomal protein L30; KEGG: mex:Mext_2183 ribosomal protein L30. (63 aa)
rpsERibosomal protein S5; With S4 and S12 plays an important role in translational accuracy; Belongs to the universal ribosomal protein uS5 family. (192 aa)
rplRRibosomal 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)
rplFRibosomal 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)
rpsHRibosomal 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. (131 aa)
rpsNRibosomal 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)
rplERibosomal 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. (188 aa)
rplXRibosomal protein L24; One of two assembly initiator proteins, it binds directly to the 5'-end of the 23S rRNA, where it nucleates assembly of the 50S subunit. (105 aa)
rplNRibosomal 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)
rpsQRibosomal protein S17; One of the primary rRNA binding proteins, it binds specifically to the 5'-end of 16S ribosomal RNA. (86 aa)
rpmCPFAM: ribosomal protein L29; KEGG: mex:Mext_2170 ribosomal protein L29; Belongs to the universal ribosomal protein uL29 family. (71 aa)
rplPRibosomal 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)
rpsCRibosomal 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. (252 aa)
rplVRibosomal protein L22; This protein binds specifically to 23S rRNA; its binding is stimulated by other ribosomal proteins, e.g. L4, L17, and L20. It is important during the early stages of 50S assembly. It makes multiple contacts with different domains of the 23S rRNA in the assembled 50S subunit and ribosome (By similarity). (127 aa)
rpsSRibosomal protein S19; Protein S19 forms a complex with S13 that binds strongly to the 16S ribosomal RNA. (92 aa)
rplBRibosomal 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)
rplWRibosomal protein L25/L23; One of the early assembly proteins it binds 23S rRNA. One of the proteins that surrounds the polypeptide exit tunnel on the outside of the ribosome. Forms the main docking site for trigger factor binding to the ribosome; Belongs to the universal ribosomal protein uL23 family. (98 aa)
rplDRibosomal protein L4/L1e; One of the primary rRNA binding proteins, this protein initially binds near the 5'-end of the 23S rRNA. It is important during the early stages of 50S assembly. It makes multiple contacts with different domains of the 23S rRNA in the assembled 50S subunit and ribosome. (206 aa)
rplCRibosomal 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. (246 aa)
rpsJRibosomal protein S10; Involved in the binding of tRNA to the ribosomes. Belongs to the universal ribosomal protein uS10 family. (102 aa)
tufTranslation elongation factor Tu; This protein promotes the GTP-dependent binding of aminoacyl- tRNA to the A-site of ribosomes during protein biosynthesis. (396 aa)
fusATranslation 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)
rpsGRibosomal 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)
rpsLRibosomal protein S12; With S4 and S5 plays an important role in translational accuracy. (123 aa)
rpoCDNA-directed RNA polymerase, beta' subunit; DNA-dependent RNA polymerase catalyzes the transcription of DNA into RNA using the four ribonucleoside triphosphates as substrates. (1400 aa)
rpoBDNA-directed RNA polymerase, beta subunit; DNA-dependent RNA polymerase catalyzes the transcription of DNA into RNA using the four ribonucleoside triphosphates as substrates. (1374 aa)
rplLRibosomal 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. (126 aa)
rplJRibosomal 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. (175 aa)
rplARibosomal protein L1; Binds directly to 23S rRNA. The L1 stalk is quite mobile in the ribosome, and is involved in E site tRNA release. (235 aa)
rplKRibosomal protein L11; Forms part of the ribosomal stalk which helps the ribosome interact with GTP-bound translation factors. (149 aa)
nusGNusG antitermination factor; Participates in transcription elongation, termination and antitermination. (177 aa)
M446_0371TIGRFAM: translation elongation factor Tu; small GTP-binding protein; PFAM: protein synthesis factor GTP-binding; elongation factor Tu domain protein; elongation factor Tu domain 2 protein; KEGG: mex:Mext_4392 translation elongation factor Tu. (396 aa)
efpTranslation elongation factor P; Involved in peptide bond synthesis. Stimulates efficient translation and peptide-bond synthesis on native or reconstituted 70S ribosomes in vitro. Probably functions indirectly by altering the affinity of the ribosome for aminoacyl-tRNA, thus increasing their reactivity as acceptors for peptidyl transferase. (188 aa)
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. (187 aa)
rpsUPFAM: ribosomal protein S21; KEGG: mex:Mext_3777 ribosomal protein S21; Belongs to the bacterial ribosomal protein bS21 family. (97 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 [...] (157 aa)
rpsDRNA-binding S4 domain protein; 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)
rplYRibosomal 5S rRNA E-loop binding protein Ctc/L25/TL5; 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. (217 aa)
rpsFRibosomal protein S6; Binds together with S18 to 16S ribosomal RNA. (134 aa)
rpsRRibosomal 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. (83 aa)
rplIRibosomal protein L9; Binds to the 23S rRNA. (189 aa)
nusANusA antitermination factor; Participates in both transcription termination and antitermination. (544 aa)
rplSRibosomal 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. (131 aa)
greATranscription elongation factor GreA; Necessary for efficient RNA polymerase transcription elongation past template-encoded arresting sites. The arresting sites in DNA have the property of trapping a certain fraction of elongating RNA polymerases that pass through, resulting in locked ternary complexes. Cleavage of the nascent transcript by cleavage factors such as GreA or GreB allows the resumption of elongation from the new 3'terminus. GreA releases sequences of 2 to 3 nucleotides. (158 aa)
mapMethionine aminopeptidase, type I; 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. (249 aa)
rpmBPFAM: ribosomal protein L28; KEGG: mex:Mext_2978 ribosomal protein L28; Belongs to the bacterial ribosomal protein bL28 family. (96 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. (176 aa)
rpsPPFAM: ribosomal protein S16; KEGG: mex:Mext_0653 ribosomal protein S16; Belongs to the bacterial ribosomal protein bS16 family. (119 aa)
M446_3817KEGG: mex:Mext_4460 hypothetical protein. (352 aa)
rplURibosomal protein L21; This protein binds to 23S rRNA in the presence of protein L20; Belongs to the bacterial ribosomal protein bL21 family. (105 aa)
rpmAPFAM: ribosomal protein L27; KEGG: mex:Mext_4413 ribosomal protein L27; Belongs to the bacterial ribosomal protein bL27 family. (93 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. (173 aa)
M446_4329TIGRFAM: ribosomal protein L31; KEGG: mex:Mext_2355 ribosomal protein L31; Belongs to the bacterial ribosomal protein bL31 family. (82 aa)
trmDtRNA (guanine-N1)-methyltransferase; Specifically methylates guanosine-37 in various tRNAs. Belongs to the RNA methyltransferase TrmD family. (244 aa)
rpsIPFAM: ribosomal protein S9; KEGG: mex:Mext_2620 ribosomal protein S9; Belongs to the universal ribosomal protein uS9 family. (162 aa)
rplMRibosomal 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. (153 aa)
rpsBPFAM: ribosomal protein S2; KEGG: mex:Mext_2073 ribosomal protein S2; Belongs to the universal ribosomal protein uS2 family. (349 aa)
tsfTranslation 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. (307 aa)
M446_4877PFAM: glutamyl-tRNA synthetase class Ic; KEGG: mex:Mext_1025 glutamyl-tRNA synthetase class Ic; Belongs to the class-I aminoacyl-tRNA synthetase family. (279 aa)
rpsORibosomal protein S15; One of the primary rRNA binding proteins, it binds directly to 16S rRNA where it helps nucleate assembly of the platform of the 30S subunit by binding and bridging several RNA helices of the 16S rRNA. (89 aa)
rpmHPFAM: ribosomal protein L34; KEGG: btr:Btr_1887 50S ribosomal protein L34; Belongs to the bacterial ribosomal protein bL34 family. (44 aa)
rpmJTIGRFAM: ribosomal protein L36; KEGG: mex:Mext_2741 ribosomal protein L36; Belongs to the bacterial ribosomal protein bL36 family. (41 aa)
M446_5234TIGRFAM: small GTP-binding protein; PFAM: elongation factor G domain protein; protein synthesis factor GTP-binding; GTP-binding protein HSR1-related; elongation factor G domain IV; KEGG: nha:Nham_1106 small GTP-binding protein domain. (678 aa)
rpmFTIGRFAM: ribosomal protein L32; PFAM: ribosomal L32p protein; KEGG: mex:Mext_3466 ribosomal protein L32; Belongs to the bacterial ribosomal protein bL32 family. (61 aa)
rplTRibosomal 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. (125 aa)
rpmIPFAM: ribosomal protein L35; KEGG: mex:Mext_1627 ribosomal protein L35; Belongs to the bacterial ribosomal protein bL35 family. (66 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. (92 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. (321 aa)
M446_5952NusG antitermination factor; PFAM: NGN domain protein; KEGG: mex:Mext_3997 transcription termination/antitermination factor NusG. (225 aa)
M446_6076Ribosomal 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. (569 aa)
M446_6228KEGG: mex:Mext_2052 hypothetical protein. (166 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. (485 aa)
rpmGPFAM: ribosomal protein L33; KEGG: mex:Mext_1771 ribosomal protein L33; Belongs to the bacterial ribosomal protein bL33 family. (55 aa)
map-2Methionine aminopeptidase, type I; 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. (274 aa)
rpoDRNA polymerase, sigma 70 subunit, 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. (666 aa)
rpoHRNA polymerase, sigma 32 subunit, RpoH; 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. (296 aa)
rpsTRibosomal protein S20; Binds directly to 16S ribosomal RNA. (88 aa)
Your Current Organism:
Methylobacterium sp. 446
NCBI taxonomy Id: 426117
Other names: M. sp. 4-46, Methylobacterium sp. 4-46
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