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B1IT47 (TRMB_ECOLC) Reviewed, UniProtKB/Swiss-Prot

Last modified June 11, 2014. Version 43. Feed History...

Clusters with 100%, 90%, 50% identity | Documents (2) | Third-party data text xml rdf/xml gff fasta
to top of pageNames·Attributes·General annotation·Ontologies·Sequence annotation·Sequences·References·Cross-refs·Entry info·DocumentsCustomize order

Names and origin

Protein namesRecommended name:
tRNA (guanine-N(7)-)-methyltransferase

EC=2.1.1.33
Alternative name(s):
tRNA (guanine(46)-N(7))-methyltransferase
tRNA(m7G46)-methyltransferase
Gene names
Name:trmB
Ordered Locus Names:EcolC_0754
OrganismEscherichia coli (strain ATCC 8739 / DSM 1576 / Crooks) [Complete proteome] [HAMAP]
Taxonomic identifier481805 [NCBI]
Taxonomic lineageBacteriaProteobacteriaGammaproteobacteriaEnterobacterialesEnterobacteriaceaeEscherichia

Protein attributes

Sequence length239 AA.
Sequence statusComplete.
Protein existenceInferred from homology

General annotation (Comments)

Function

Catalyzes the formation of N(7)-methylguanine at position 46 (m7G46) in tRNA By similarity. HAMAP-Rule MF_01057

Catalytic activity

S-adenosyl-L-methionine + guanine46 in tRNA = S-adenosyl-L-homocysteine + N(7)-methylguanine46 in tRNA. HAMAP-Rule MF_01057

Pathway

tRNA modification; N(7)-methylguanine-tRNA biosynthesis. HAMAP-Rule MF_01057

Subunit structure

Monomer By similarity. HAMAP-Rule MF_01057

Sequence similarities

Belongs to the class I-like SAM-binding methyltransferase superfamily. TrmB family.

Ontologies

Keywords
   Biological processtRNA processing
   LigandS-adenosyl-L-methionine
   Molecular functionMethyltransferase
Transferase
   Technical termComplete proteome
Gene Ontology (GO)
   Molecular_functiontRNA (guanine-N7-)-methyltransferase activity

Inferred from electronic annotation. Source: UniProtKB-HAMAP

Complete GO annotation...

Sequence annotation (Features)

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifier

Molecule processing

Chain1 – 239239tRNA (guanine-N(7)-)-methyltransferase HAMAP-Rule MF_01057
PRO_1000084441

Regions

Region150 – 1556Interaction with RNA Potential
Region217 – 2204Substrate binding By similarity

Sites

Active site1441 By similarity
Binding site691S-adenosyl-L-methionine By similarity
Binding site941S-adenosyl-L-methionine By similarity
Binding site1211S-adenosyl-L-methionine By similarity
Binding site1441S-adenosyl-L-methionine By similarity
Binding site1481Substrate By similarity
Binding site1801Substrate By similarity

Sequences

Sequence LengthMass (Da)Tools
B1IT47 [UniParc].

Last modified April 29, 2008. Version 1.
Checksum: B4C8AF9A1EF85FEB

FASTA23927,307
        10         20         30         40         50         60 
MKNDVISPEF DENGRPLRRI RSFVRRQGRL TKGQEHALEN YWPVMGVEFS EDMLDFPALF 

        70         80         90        100        110        120 
GREAPVTLEI GFGMGASLVA MAKDRPEQDF LGIEVHSPGV GACLASAHEE GLSNLRVMCH 

       130        140        150        160        170        180 
DAVEVLHKMI PDNSLRMVQL FFPDPWHKAR HNKRRIVQVP FAELVKSKLQ LGGVFHMATD 

       190        200        210        220        230 
WEPYAEHMLE VMSSIDGYKN LSESNDYVPR PASRPVTKFE QRGHRLGHGV WDLMFERVK 

« Hide

References

[1]"Complete sequence of Escherichia coli C str. ATCC 8739."
Copeland A., Lucas S., Lapidus A., Glavina del Rio T., Dalin E., Tice H., Bruce D., Goodwin L., Pitluck S., Kiss H., Brettin T., Detter J.C., Han C., Kuske C.R., Schmutz J., Larimer F., Land M., Hauser L. expand/collapse author list , Kyrpides N., Mikhailova N., Ingram L., Richardson P.
Submitted (FEB-2008) to the EMBL/GenBank/DDBJ databases
Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
Strain: ATCC 8739 / DSM 1576 / Crooks.

Cross-references

Sequence databases

EMBL
GenBank
DDBJ
CP000946 Genomic DNA. Translation: ACA76426.1.
RefSeqYP_001723753.1. NC_010468.1.

3D structure databases

ProteinModelPortalB1IT47.
SMRB1IT47. Positions 36-239.
ModBaseSearch...
MobiDBSearch...

Protein-protein interaction databases

STRING481805.EcolC_0754.

Proteomic databases

PRIDEB1IT47.

Protocols and materials databases

StructuralBiologyKnowledgebaseSearch...

Genome annotation databases

EnsemblBacteriaACA76426; ACA76426; EcolC_0754.
GeneID6067160.
KEGGecl:EcolC_0754.
PATRIC18224083. VBIEscCol82905_0797.

Organism-specific databases

CMRSearch...

Phylogenomic databases

eggNOGCOG0220.
HOGENOMHOG000073968.
KOK03439.
OMATSATNDY.
OrthoDBEOG6K6VBC.

Enzyme and pathway databases

BioCycECOL481805:GI3G-768-MONOMER.
UniPathwayUPA00989.

Family and domain databases

Gene3D3.40.50.150. 1 hit.
HAMAPMF_01057. tRNA_methyltr_TrmB.
InterProIPR029063. SAM-dependent_MTases-like.
IPR003358. tRNA_(Gua-N-7)_MeTrfase.
[Graphical view]
PfamPF02390. Methyltransf_4. 1 hit.
[Graphical view]
SUPFAMSSF53335. SSF53335. 1 hit.
TIGRFAMsTIGR00091. TIGR00091. 1 hit.
PROSITEPS51625. SAM_MT_TRMB. 1 hit.
[Graphical view]
ProtoNetSearch...

Entry information

Entry nameTRMB_ECOLC
AccessionPrimary (citable) accession number: B1IT47
Entry history
Integrated into UniProtKB/Swiss-Prot: May 20, 2008
Last sequence update: April 29, 2008
Last modified: June 11, 2014
This is version 43 of the entry and version 1 of the sequence. [Complete history]
Entry statusReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Relevant documents

SIMILARITY comments

Index of protein domains and families

PATHWAY comments

Index of metabolic and biosynthesis pathways