Skip Header

You are using a version of Internet Explorer that may not display all features of this website. Please upgrade to a modern browser.
Contribute Send feedback
Read comments (?) or add your own

Q2VYQ1 (TRMB_MAGSA) Reviewed, UniProtKB/Swiss-Prot

Last modified June 11, 2014. Version 60. 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:amb4470
OrganismMagnetospirillum magneticum (strain AMB-1 / ATCC 700264) [Complete proteome] [HAMAP]
Taxonomic identifier342108 [NCBI]
Taxonomic lineageBacteriaProteobacteriaAlphaproteobacteriaRhodospirillalesRhodospirillaceaeMagnetospirillum

Protein attributes

Sequence length238 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 – 238238tRNA (guanine-N(7)-)-methyltransferase HAMAP-Rule MF_01057
PRO_0000288174

Regions

Region216 – 2194Substrate binding By similarity

Sites

Active site1431 By similarity
Binding site681S-adenosyl-L-methionine By similarity
Binding site931S-adenosyl-L-methionine By similarity
Binding site1211S-adenosyl-L-methionine By similarity
Binding site1431S-adenosyl-L-methionine By similarity
Binding site1471Substrate By similarity
Binding site1791Substrate By similarity

Sequences

Sequence LengthMass (Da)Tools
Q2VYQ1 [UniParc].

Last modified January 10, 2006. Version 1.
Checksum: 89536A9086B3287A

FASTA23826,374
        10         20         30         40         50         60 
MGKHAENGNA AAERPRFFGR RQGKALRRNA LGLIEDLLPR LTVAVPEPDE RVEPALLFPG 

        70         80         90        100        110        120 
AVRSVWLEVG FGGGEHLAQL AEDNPDIGLI GCEVFRNGIA SLLGHVQARQ LGNNVRVFPE 

       130        140        150        160        170        180 
DVRLLLPALP DGSLGRVFVL FPDPWPKTRH ADRRFISPET LDVLARVLES GGELRVASDD 

       190        200        210        220        230 
PIYVAWAARH LDAHPAFEKI LATADRSAVP ADWPATRYEQ KCITGRAPVF FLYRRRAR 

« Hide

References

[1]"Complete genome sequence of the facultative anaerobic magnetotactic bacterium Magnetospirillum sp. strain AMB-1."
Matsunaga T., Okamura Y., Fukuda Y., Wahyudi A.T., Murase Y., Takeyama H.
DNA Res. 12:157-166(2005) [PubMed] [Europe PMC] [Abstract]
Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
Strain: AMB-1 / ATCC 700264.

Cross-references

Sequence databases

EMBL
GenBank
DDBJ
AP007255 Genomic DNA. Translation: BAE53274.1.
RefSeqYP_423833.1. NC_007626.1.

3D structure databases

ProteinModelPortalQ2VYQ1.
ModBaseSearch...
MobiDBSearch...

Protein-protein interaction databases

STRING342108.amb4470.

Protocols and materials databases

StructuralBiologyKnowledgebaseSearch...

Genome annotation databases

EnsemblBacteriaBAE53274; BAE53274; amb4470.
GeneID3806618.
KEGGmag:amb4470.
PATRIC22443280. VBIMagMag129836_4454.

Organism-specific databases

CMRSearch...

Phylogenomic databases

eggNOGCOG0220.
HOGENOMHOG000073969.
KOK03439.
OMAYLTFIKK.
OrthoDBEOG6K6VBC.

Enzyme and pathway databases

BioCycMMAG342108:GJNU-4524-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_MAGSA
AccessionPrimary (citable) accession number: Q2VYQ1
Entry history
Integrated into UniProtKB/Swiss-Prot: May 29, 2007
Last sequence update: January 10, 2006
Last modified: June 11, 2014
This is version 60 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