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B1YKF9 (TRMB_EXIS2) Reviewed, UniProtKB/Swiss-Prot

Last modified April 16, 2014. Version 45. 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:Exig_2260
OrganismExiguobacterium sibiricum (strain DSM 17290 / JCM 13490 / 255-15) [Complete proteome] [HAMAP]
Taxonomic identifier262543 [NCBI]
Taxonomic lineageBacteriaFirmicutesBacilliBacillalesBacillales Family XII. Incertae SedisExiguobacterium

Protein attributes

Sequence length213 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 – 213213tRNA (guanine-N(7)-)-methyltransferase HAMAP-Rule MF_01057
PRO_1000136350

Regions

Region191 – 1944Substrate binding By similarity

Sites

Active site1181 By similarity
Binding site441S-adenosyl-L-methionine By similarity
Binding site691S-adenosyl-L-methionine By similarity
Binding site961S-adenosyl-L-methionine By similarity
Binding site1181S-adenosyl-L-methionine By similarity
Binding site1221Substrate By similarity
Binding site1541Substrate By similarity

Sequences

Sequence LengthMass (Da)Tools
B1YKF9 [UniParc].

Last modified May 20, 2008. Version 1.
Checksum: 4684DB77277BD69A

FASTA21324,823
        10         20         30         40         50         60 
MRLRHKPWAL DYMKEQSSIY IADPSTLKGN WSNEFKNENP IYIEVGSGKG AFITGMAKQY 

        70         80         90        100        110        120 
PEVNFVAIEL FESVAVAIVQ KMVEEPLANV RVLTVDAKDL RDFFEKGEVA RVYLNFSDPW 

       130        140        150        160        170        180 
PKSRHAKRRL TYKTFLATYE DILPEKGQIH FKTDNRKLFE SSLMTMSAYG MTFDWMSLDL 

       190        200        210 
HANEPENNVR TEYEERFSAM GQPIYRMEAT YTK 

« Hide

References

[1]"Complete sequence of chromosome of Exiguobacterium sibiricum 255-15."
US DOE Joint Genome Institute
Copeland A., Lucas S., Lapidus A., Glavina del Rio T., Dalin E., Tice H., Bruce D., Goodwin L., Pitluck S., Kiss H., Chertkov O., Monk C., Brettin T., Detter J.C., Han C., Kuske C.R., Schmutz J., Larimer F. expand/collapse author list , Land M., Hauser L., Kyrpides N., Mikhailova N., Vishnivetskaya T., Rodrigues D.F., Gilichinsky D., Tiedje J., Richardson P.
Submitted (APR-2008) to the EMBL/GenBank/DDBJ databases
Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
Strain: DSM 17290 / JCM 13490 / 255-15.

Cross-references

Sequence databases

EMBL
GenBank
DDBJ
CP001022 Genomic DNA. Translation: ACB61712.1.
RefSeqYP_001814729.1. NC_010556.1.

3D structure databases

ProteinModelPortalB1YKF9.
SMRB1YKF9. Positions 9-210.
ModBaseSearch...
MobiDBSearch...

Protein-protein interaction databases

STRING262543.Exig_2260.

Protocols and materials databases

StructuralBiologyKnowledgebaseSearch...

Genome annotation databases

EnsemblBacteriaACB61712; ACB61712; Exig_2260.
GeneID6174111.
KEGGesi:Exig_2260.
PATRIC32138148. VBIExiSib53410_2296.

Organism-specific databases

CMRSearch...

Phylogenomic databases

eggNOGCOG0220.
HOGENOMHOG000251689.
KOK03439.
OMAKTDDDEL.
OrthoDBEOG6K6VBC.
ProtClustDBPRK00121.

Enzyme and pathway databases

BioCycESIB262543:GHBP-2340-MONOMER.
UniPathwayUPA00989.

Family and domain databases

HAMAPMF_01057. tRNA_methyltr_TrmB.
InterProIPR003358. tRNA_(Gua-N-7)_MeTrfase.
[Graphical view]
PfamPF02390. Methyltransf_4. 1 hit.
[Graphical view]
TIGRFAMsTIGR00091. TIGR00091. 1 hit.
PROSITEPS51625. SAM_MT_TRMB. 1 hit.
[Graphical view]
ProtoNetSearch...

Entry information

Entry nameTRMB_EXIS2
AccessionPrimary (citable) accession number: B1YKF9
Entry history
Integrated into UniProtKB/Swiss-Prot: April 14, 2009
Last sequence update: May 20, 2008
Last modified: April 16, 2014
This is version 45 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