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A0L4N8 (TRMB_MAGSM) Reviewed, UniProtKB/Swiss-Prot

Last modified June 11, 2014. Version 50. 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:Mmc1_0405
OrganismMagnetococcus sp. (strain MC-1) [Complete proteome] [HAMAP]
Taxonomic identifier156889 [NCBI]
Taxonomic lineageBacteriaProteobacteriaAlphaproteobacteriaMagnetococcalesMagnetococcaceaeMagnetococcus

Protein attributes

Sequence length253 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 – 253253tRNA (guanine-N(7)-)-methyltransferase HAMAP-Rule MF_01057
PRO_0000288173

Regions

Region232 – 2354Substrate binding By similarity

Sites

Active site1591 By similarity
Binding site841S-adenosyl-L-methionine By similarity
Binding site1091S-adenosyl-L-methionine By similarity
Binding site1361S-adenosyl-L-methionine By similarity
Binding site1591S-adenosyl-L-methionine By similarity
Binding site1631Substrate By similarity
Binding site1951Substrate By similarity

Sequences

Sequence LengthMass (Da)Tools
A0L4N8 [UniParc].

Last modified December 12, 2006. Version 1.
Checksum: EEA696FB6ACF6640

FASTA25328,129
        10         20         30         40         50         60 
MSQTPMPQPD QAPPVDVGQP VDEAEAKRRR FKTHGRKKGK VNDTRLARIE AGLLALSLPP 

        70         80         90        100        110        120 
GSADRGALID QLGGNGQSQR VILEIGFGNG ETLAALAARH PEDCFIGIDV FLEGFGTLLN 

       130        140        150        160        170        180 
RLTRGDISNV RLVCQNALQV LLERIPDASL DGVIINFPDP WRKKRHFKRR IVQTEFLDAL 

       190        200        210        220        230        240 
APKMRSGADL TLATDWANYA EWMVAHLEPH TAFVNQAEPG PFAAPPPWWI ETNFERKGVA 

       250 
AGRIIRHLHY KKR 

« Hide

References

[1]"Complete sequence of Magnetococcus sp. MC-1."
US DOE Joint Genome Institute
Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C., Glavina del Rio T., Hammon N., Israni S., Dalin E., Tice H., Pitluck S., Kiss H., Goodwin L.A., Brettin T., Bruce D., Han C., Tapia R., Gilna P. expand/collapse author list , Schmutz J., Larimer F., Land M., Hauser L., Kyrpides N., Mikhailova N., Richardson P.
Submitted (SEP-2006) to the EMBL/GenBank/DDBJ databases
Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
Strain: MC-1.

Cross-references

Sequence databases

EMBL
GenBank
DDBJ
CP000471 Genomic DNA. Translation: ABK42931.1.
RefSeqYP_864337.1. NC_008576.1.

3D structure databases

ProteinModelPortalA0L4N8.
ModBaseSearch...
MobiDBSearch...

Protein-protein interaction databases

STRING156889.Mmc1_0405.

Protocols and materials databases

StructuralBiologyKnowledgebaseSearch...

Genome annotation databases

EnsemblBacteriaABK42931; ABK42931; Mmc1_0405.
GeneID4480889.
KEGGmgm:Mmc1_0405.
PATRIC22427324. VBIMagSp23654_0429.

Organism-specific databases

CMRSearch...

Phylogenomic databases

eggNOGCOG0220.
HOGENOMHOG000073968.
KOK03439.
OMATSATNDY.
OrthoDBEOG6K6VBC.

Enzyme and pathway databases

BioCycMSP156889:GH36-410-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_MAGSM
AccessionPrimary (citable) accession number: A0L4N8
Entry history
Integrated into UniProtKB/Swiss-Prot: May 29, 2007
Last sequence update: December 12, 2006
Last modified: June 11, 2014
This is version 50 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