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Q3JCB2 (TRMB_NITOC) Reviewed, UniProtKB/Swiss-Prot

Last modified June 11, 2014. Version 63. 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:Noc_1026
OrganismNitrosococcus oceani (strain ATCC 19707 / NCIMB 11848) [Complete proteome] [HAMAP]
Taxonomic identifier323261 [NCBI]
Taxonomic lineageBacteriaProteobacteriaGammaproteobacteriaChromatialesChromatiaceaeNitrosococcus

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_0000229179

Regions

Region212 – 2154Substrate binding By similarity

Sites

Active site1431 By similarity
Binding site681S-adenosyl-L-methionine By similarity
Binding site931S-adenosyl-L-methionine By similarity
Binding site1201S-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
Q3JCB2 [UniParc].

Last modified November 8, 2005. Version 1.
Checksum: 46D95E814617B9EA

FASTA23627,054
        10         20         30         40         50         60 
MSNSITLEER GESFQPRPIT SFVRREGRMT PAQKKALEHL WPRYGIDLGT GPLNLAAIFN 

        70         80         90        100        110        120 
RQAERILEIG FGNGESLLQQ ARAAPERDFL GIEVYRPGIG HLLLRLKAEG LENIRVIHGD 

       130        140        150        160        170        180 
AWEVLQRALP NPSLDGVQIF FPDPWPKKRH HKRRLIQPSF VDLLERKIKP GGWFHLATDW 

       190        200        210        220        230 
QDYAEQIKAV LSQHAGFNQL TNEGQSTQRP RTKFEARGQQ QGHGVWDLRF KRSVDS 

« Hide

References

[1]"Complete genome sequence of the marine, chemolithoautotrophic, ammonia-oxidizing bacterium Nitrosococcus oceani ATCC 19707."
Klotz M.G., Arp D.J., Chain P.S.G., El-Sheikh A.F., Hauser L.J., Hommes N.G., Larimer F.W., Malfatti S.A., Norton J.M., Poret-Peterson A.T., Vergez L.M., Ward B.B.
Appl. Environ. Microbiol. 72:6299-6315(2006) [PubMed] [Europe PMC] [Abstract]
Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
Strain: ATCC 19707 / NCIMB 11848.

Cross-references

Sequence databases

EMBL
GenBank
DDBJ
CP000127 Genomic DNA. Translation: ABA57534.1.
RefSeqYP_343064.1. NC_007484.1.

3D structure databases

ProteinModelPortalQ3JCB2.
ModBaseSearch...
MobiDBSearch...

Protein-protein interaction databases

STRING323261.Noc_1026.

Protocols and materials databases

StructuralBiologyKnowledgebaseSearch...

Genome annotation databases

EnsemblBacteriaABA57534; ABA57534; Noc_1026.
GeneID3707248.
KEGGnoc:Noc_1026.
PATRIC22705974. VBINitOce57959_1220.

Organism-specific databases

CMRSearch...

Phylogenomic databases

eggNOGCOG0220.
HOGENOMHOG000073968.
KOK03439.
OMAFATDWEN.
OrthoDBEOG6K6VBC.

Enzyme and pathway databases

BioCycNOCE323261:GCI3-1041-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_NITOC
AccessionPrimary (citable) accession number: Q3JCB2
Entry history
Integrated into UniProtKB/Swiss-Prot: April 4, 2006
Last sequence update: November 8, 2005
Last modified: June 11, 2014
This is version 63 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