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Protein

tRNA (guanine-N(7)-)-methyltransferase

Gene

trmB

Organism
Streptococcus pyogenes serotype M12 (strain MGAS2096)
Status
Reviewed-Annotation score: -Protein inferred from homologyi

Functioni

Catalyzes the formation of N7-methylguanine at position 46 (m7G46) in tRNA.UniRule annotation

Catalytic activityi

S-adenosyl-L-methionine + guanine(46) in tRNA = S-adenosyl-L-homocysteine + N7-methylguanine(46) in tRNA.UniRule annotation

Pathwayi: N(7)-methylguanine-tRNA biosynthesis

This protein is involved in the pathway N(7)-methylguanine-tRNA biosynthesis, which is part of tRNA modification.UniRule annotation
View all proteins of this organism that are known to be involved in the pathway N(7)-methylguanine-tRNA biosynthesis and in tRNA modification.

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Binding sitei44S-adenosyl-L-methionineUniRule annotation1
Binding sitei69S-adenosyl-L-methionineUniRule annotation1
Binding sitei96S-adenosyl-L-methionineUniRule annotation1
Active sitei118By similarity1
Binding sitei118S-adenosyl-L-methionineUniRule annotation1
Binding sitei122SubstrateUniRule annotation1
Binding sitei154SubstrateUniRule annotation1

GO - Molecular functioni

Keywordsi

Molecular functionMethyltransferase, Transferase
Biological processtRNA processing
LigandS-adenosyl-L-methionine

Enzyme and pathway databases

UniPathwayiUPA00989

Names & Taxonomyi

Protein namesi
Recommended name:
tRNA (guanine-N(7)-)-methyltransferaseUniRule annotation (EC:2.1.1.33UniRule annotation)
Alternative name(s):
tRNA (guanine(46)-N(7))-methyltransferaseUniRule annotation
tRNA(m7G46)-methyltransferaseUniRule annotation
Gene namesi
Name:trmBUniRule annotation
Ordered Locus Names:MGAS2096_Spy1493
OrganismiStreptococcus pyogenes serotype M12 (strain MGAS2096)
Taxonomic identifieri370553 [NCBI]
Taxonomic lineageiBacteriaFirmicutesBacilliLactobacillalesStreptococcaceaeStreptococcus

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
ChainiPRO_00002882351 – 211tRNA (guanine-N(7)-)-methyltransferaseAdd BLAST211

Structurei

3D structure databases

ProteinModelPortaliQ1JAB6
SMRiQ1JAB6
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Region

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Regioni124 – 129Interaction with RNAUniRule annotation6
Regioni191 – 194Substrate bindingUniRule annotation4

Sequence similaritiesi

Belongs to the class I-like SAM-binding methyltransferase superfamily. TrmB family.UniRule annotation

Phylogenomic databases

HOGENOMiHOG000251689
KOiK03439
OMAiWITFPDP
OrthoDBiPOG091H015P

Family and domain databases

HAMAPiMF_01057 tRNA_methyltr_TrmB, 1 hit
InterProiView protein in InterPro
IPR029063 SAM-dependent_MTases
IPR003358 tRNA_(Gua-N-7)_MeTrfase_Trmb
PANTHERiPTHR23417 PTHR23417, 1 hit
SUPFAMiSSF53335 SSF53335, 1 hit
TIGRFAMsiTIGR00091 TIGR00091, 1 hit
PROSITEiView protein in PROSITE
PS51625 SAM_MT_TRMB, 1 hit

Sequencei

Sequence statusi: Complete.

Q1JAB6-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MRVRKRKGAE EHLANNPHYV ILNPEDAKGR WHDVFGNDRP IHIEVGSGKG
60 70 80 90 100
GFITGMALKN PDINYIGIDI QLSVLSYALD KVLASEVPNV KLLRVDGSSL
110 120 130 140 150
TNYFEDGEVD MMYLNFSDPW PKTKHEKRRL TYKDFLDTYK RILPEHGEIH
160 170 180 190 200
FKTDNRGLFE YSLASFSQYG MTLRQIWLDL HASNYEGNVM TEYEEKFSNK
210
GQVIYRVEAN F
Length:211
Mass (Da):24,455
Last modified:June 13, 2006 - v1
Checksum:i09C90C702C222E6D
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
CP000261 Genomic DNA Translation: ABF36545.1

Genome annotation databases

EnsemblBacteriaiABF36545; ABF36545; MGAS2096_Spy1493
KEGGispj:MGAS2096_Spy1493

Similar proteinsi

Entry informationi

Entry nameiTRMB_STRPB
AccessioniPrimary (citable) accession number: Q1JAB6
Entry historyiIntegrated into UniProtKB/Swiss-Prot: May 29, 2007
Last sequence update: June 13, 2006
Last modified: March 28, 2018
This is version 76 of the entry and version 1 of the sequence. See complete history.
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Miscellaneousi

Documents

  1. PATHWAY comments
    Index of metabolic and biosynthesis pathways
  2. SIMILARITY comments
    Index of protein domains and families

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