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Q1G997 (TRMB_LACDA) Reviewed, UniProtKB/Swiss-Prot

Last modified April 16, 2014. Version 57. 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:Ldb1525
OrganismLactobacillus delbrueckii subsp. bulgaricus (strain ATCC 11842 / DSM 20081) [Complete proteome] [HAMAP]
Taxonomic identifier390333 [NCBI]
Taxonomic lineageBacteriaFirmicutesBacilliLactobacillalesLactobacillaceaeLactobacillus

Protein attributes

Sequence length218 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 – 218218tRNA (guanine-N(7)-)-methyltransferase HAMAP-Rule MF_01057
PRO_0000288163

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
Q1G997 [UniParc].

Last modified June 27, 2006. Version 1.
Checksum: A627209175A4D075

FASTA21824,873
        10         20         30         40         50         60 
MRLKNKPWAN ELVEEHPESA LDRPDPAEKI DWEARFGNDK PIEIEVGSGK GQFITTLAKQ 

        70         80         90        100        110        120 
HPDRNFVAME IQKTAAGIIL KKKLDEGLDN LQILCADAAN LVAYFGENST SKIYLNFSDP 

       130        140        150        160        170        180 
WPKSRHEKRR LTYKDFLAKY QAVLTGDGLI EFKTDNSGLF AYSVKSMNNY GMHFDFMSVD 

       190        200        210 
LHHESEEIVE KNVETEYEHK FASKGQPIYC LHAGFLAK 

« Hide

References

[1]"The complete genome sequence of Lactobacillus bulgaricus reveals extensive and ongoing reductive evolution."
van de Guchte M., Penaud S., Grimaldi C., Barbe V., Bryson K., Nicolas P., Robert C., Oztas S., Mangenot S., Couloux A., Loux V., Dervyn R., Bossy R., Bolotin A., Batto J.-M., Walunas T., Gibrat J.-F., Bessieres P. expand/collapse author list , Weissenbach J., Ehrlich S.D., Maguin E.
Proc. Natl. Acad. Sci. U.S.A. 103:9274-9279(2006) [PubMed] [Europe PMC] [Abstract]
Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
Strain: ATCC 11842 / DSM 20081.

Cross-references

Sequence databases

EMBL
GenBank
DDBJ
CR954253 Genomic DNA. Translation: CAI98325.1.
RefSeqYP_619343.1. NC_008054.1.

3D structure databases

ProteinModelPortalQ1G997.
ModBaseSearch...
MobiDBSearch...

Protein-protein interaction databases

STRING390333.Ldb1525.

Protocols and materials databases

StructuralBiologyKnowledgebaseSearch...

Genome annotation databases

EnsemblBacteriaCAI98325; CAI98325; Ldb1525.
GeneID4085169.
KEGGldb:Ldb1525.
PATRIC22218510. VBILacDel123523_1372.

Organism-specific databases

CMRSearch...

Phylogenomic databases

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

Enzyme and pathway databases

BioCycLDEL390333:GIXG-1505-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_LACDA
AccessionPrimary (citable) accession number: Q1G997
Entry history
Integrated into UniProtKB/Swiss-Prot: May 29, 2007
Last sequence update: June 27, 2006
Last modified: April 16, 2014
This is version 57 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