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A2RM55 (TRMB_LACLM) Reviewed, UniProtKB/Swiss-Prot

Last modified April 16, 2014. Version 47. 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:llmg_1811
OrganismLactococcus lactis subsp. cremoris (strain MG1363) [Complete proteome] [HAMAP]
Taxonomic identifier416870 [NCBI]
Taxonomic lineageBacteriaFirmicutesBacilliLactobacillalesStreptococcaceaeLactococcus

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_0000288167

Regions

Region124 – 1296Interaction with RNA Potential
Region193 – 1964Substrate 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
A2RM55 [UniParc].

Last modified March 6, 2007. Version 1.
Checksum: 11F0A543DD4DE0AD

FASTA21724,947
        10         20         30         40         50         60 
MRVRNRKGAG EMLAENAHIV VENPADFKGR WSERFGNDHP IHIEVGCGKG AFITGMAALH 

        70         80         90        100        110        120 
PEINYIAIDM QLSVLSYALD KAIEADLPNV QMMLVDGAAL SEYFADGEID QVYLNFSDPW 

       130        140        150        160        170        180 
PKGRHEKRRL TYKSFLATYE KILRPEGEIH FKTDNRGLFE YSLVSLANYG MELKKVWLDL 

       190        200        210 
HQDEEFAPQN VMTEYEQKFS QKGQVIYRLE AKFLPKK 

« Hide

References

[1]"The complete genome sequence of the lactic acid bacterial paradigm Lactococcus lactis subsp. cremoris MG1363."
Wegmann U., O'Connell-Motherway M., Zomer A., Buist G., Shearman C., Canchaya C., Ventura M., Goesmann A., Gasson M.J., Kuipers O.P., van Sinderen D., Kok J.
J. Bacteriol. 189:3256-3270(2007) [PubMed] [Europe PMC] [Abstract]
Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
Strain: MG1363.

Cross-references

Sequence databases

EMBL
GenBank
DDBJ
AM406671 Genomic DNA. Translation: CAL98382.1.
RefSeqYP_001033083.1. NC_009004.1.

3D structure databases

ProteinModelPortalA2RM55.
SMRA2RM55. Positions 6-213.
ModBaseSearch...
MobiDBSearch...

Protein-protein interaction databases

STRING416870.llmg_1811.

Protocols and materials databases

StructuralBiologyKnowledgebaseSearch...

Genome annotation databases

EnsemblBacteriaCAL98382; CAL98382; llmg_1811.
GeneID4797998.
KEGGllm:llmg_1811.
PATRIC22284803. VBILacLac4574_1856.

Organism-specific databases

CMRSearch...

Phylogenomic databases

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

Enzyme and pathway databases

BioCycLLAC416870:GCDT-1816-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_LACLM
AccessionPrimary (citable) accession number: A2RM55
Entry history
Integrated into UniProtKB/Swiss-Prot: May 29, 2007
Last sequence update: March 6, 2007
Last modified: April 16, 2014
This is version 47 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