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Q7V4W7 (TRMB_PROMM) Reviewed, UniProtKB/Swiss-Prot

Last modified June 11, 2014. Version 67. 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:PMT_1820
OrganismProchlorococcus marinus (strain MIT 9313) [Complete proteome] [HAMAP]
Taxonomic identifier74547 [NCBI]
Taxonomic lineageBacteriaCyanobacteriaProchloralesProchlorococcaceaeProchlorococcus

Protein attributes

Sequence length236 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

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 – 236236tRNA (guanine-N(7)-)-methyltransferase HAMAP-Rule MF_01057
PRO_0000171374

Sites

Active site1131 By similarity
Binding site351S-adenosyl-L-methionine By similarity
Binding site601S-adenosyl-L-methionine By similarity
Binding site871S-adenosyl-L-methionine By similarity
Binding site1131S-adenosyl-L-methionine By similarity
Binding site1171Substrate By similarity
Binding site1491Substrate By similarity

Sequences

Sequence LengthMass (Da)Tools
Q7V4W7 [UniParc].

Last modified October 1, 2003. Version 1.
Checksum: 5964906532FEB20E

FASTA23627,652
        10         20         30         40         50         60 
MRQHVNPLSR FFQLPRPLPS PEEMFAQSSR PLHLDIGCAR GGFLLSLAPL QPEWNHVGVE 

        70         80         90        100        110        120 
IRHPLVLSAE RDRQELELDN LRFLFCNVNV SLEEWLDALP RDQLQWVSIQ FPDPWFKRRH 

       130        140        150        160        170        180 
QKRRVLQPSL LIALATALQP GRELFIQSDV LSVIEPMVML IEQSNCFERP KNDSHAWQKA 

       190        200        210        220        230 
NPLPVPTERE RYVLDQGLQV YRRLYQRNDQ QAPELSNLEA LWQQVDNPSK EEHSDC 

« Hide

References

[1]"Genome divergence in two Prochlorococcus ecotypes reflects oceanic niche differentiation."
Rocap G., Larimer F.W., Lamerdin J.E., Malfatti S., Chain P., Ahlgren N.A., Arellano A., Coleman M., Hauser L., Hess W.R., Johnson Z.I., Land M.L., Lindell D., Post A.F., Regala W., Shah M., Shaw S.L., Steglich C. expand/collapse author list , Sullivan M.B., Ting C.S., Tolonen A., Webb E.A., Zinser E.R., Chisholm S.W.
Nature 424:1042-1047(2003) [PubMed] [Europe PMC] [Abstract]
Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
Strain: MIT 9313.

Cross-references

Sequence databases

EMBL
GenBank
DDBJ
BX548175 Genomic DNA. Translation: CAE21995.1.
RefSeqNP_895647.1. NC_005071.1.

3D structure databases

ProteinModelPortalQ7V4W7.
ModBaseSearch...
MobiDBSearch...

Protein-protein interaction databases

STRING74547.PMT1820.

Protocols and materials databases

StructuralBiologyKnowledgebaseSearch...

Genome annotation databases

EnsemblBacteriaCAE21995; CAE21995; PMT_1820.
GeneID1728035.
KEGGpmt:PMT1820.
PATRIC23012423. VBIProMar135351_2339.

Organism-specific databases

CMRSearch...

Phylogenomic databases

eggNOGCOG0220.
KOK03439.
OMANDSHAWQ.
OrthoDBEOG6K6VBC.

Enzyme and pathway databases

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_PROMM
AccessionPrimary (citable) accession number: Q7V4W7
Entry history
Integrated into UniProtKB/Swiss-Prot: July 19, 2004
Last sequence update: October 1, 2003
Last modified: June 11, 2014
This is version 67 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