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

A8YWH0 (TRMB_LACH4) Reviewed, UniProtKB/Swiss-Prot

Last modified June 11, 2014. Version 44. 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:lhv_1653
OrganismLactobacillus helveticus (strain DPC 4571) [Complete proteome] [HAMAP]
Taxonomic identifier405566 [NCBI]
Taxonomic lineageBacteriaFirmicutesBacilliLactobacillalesLactobacillaceaeLactobacillus

Protein attributes

Sequence length217 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 – 217217tRNA (guanine-N(7)-)-methyltransferase HAMAP-Rule MF_01057
PRO_1000072997

Regions

Region125 – 1306Interaction with RNA Potential
Region195 – 1984Substrate binding By similarity

Sites

Active site1191 By similarity
Binding site451S-adenosyl-L-methionine By similarity
Binding site701S-adenosyl-L-methionine By similarity
Binding site971S-adenosyl-L-methionine By similarity
Binding site1191S-adenosyl-L-methionine By similarity
Binding site1231Substrate By similarity
Binding site1551Substrate By similarity

Sequences

Sequence LengthMass (Da)Tools
A8YWH0 [UniParc].

Last modified January 15, 2008. Version 1.
Checksum: 7E9CA979625A0A91

FASTA21724,894
        10         20         30         40         50         60 
MRLRNKPWAV KLVNEHPESV LQNPDPEKKI DWAARFGNDN TIEIEVGSGK GHFITTLAEN 

        70         80         90        100        110        120 
NPDKNYVALE LQTTAAGIIL RTKLEKGLDN LQILRGDAAD INCFFPENST NVIYLNFSDP 

       130        140        150        160        170        180 
WPKTRHEKRR LTYKSFLAKY QQVLTKDGHI EFKTDNSGLF AYSVQSMNNF GMHFDFVSVD 

       190        200        210 
LHHEKPEIVE KNIETEYEHK FAAKGNPIYA LHADFEA 

« Hide

References

[1]"Genome sequence of Lactobacillus helveticus: an organism distinguished by selective gene loss and IS element expansion."
Callanan M., Kaleta P., O'Callaghan J., O'Sullivan O., Jordan K., McAuliffe O., Sangrador-Vegas A., Slattery L., Fitzgerald G.F., Beresford T., Ross R.P.
J. Bacteriol. 190:727-735(2008) [PubMed] [Europe PMC] [Abstract]
Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
Strain: DPC 4571.

Cross-references

Sequence databases

EMBL
GenBank
DDBJ
CP000517 Genomic DNA. Translation: ABX27556.1.
RefSeqYP_001577857.1. NC_010080.1.

3D structure databases

ProteinModelPortalA8YWH0.
ModBaseSearch...
MobiDBSearch...

Protein-protein interaction databases

STRING405566.lhv_1653.

Protocols and materials databases

StructuralBiologyKnowledgebaseSearch...

Genome annotation databases

EnsemblBacteriaABX27556; ABX27556; lhv_1653.
GeneID5771306.
KEGGlhe:lhv_1653.
PATRIC22235582. VBILacHel91643_1740.

Organism-specific databases

CMRSearch...

Phylogenomic databases

eggNOGCOG0220.
HOGENOMHOG000251689.
KOK03439.
OMADNVMTEY.
OrthoDBEOG6K6VBC.

Enzyme and pathway databases

BioCycLHEL405566:GJEN-1455-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_LACH4
AccessionPrimary (citable) accession number: A8YWH0
Entry history
Integrated into UniProtKB/Swiss-Prot: February 26, 2008
Last sequence update: January 15, 2008
Last modified: June 11, 2014
This is version 44 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