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Protein

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

Gene

trmB

Organism
Mycobacterium tuberculosis (strain ATCC 25177 / H37Ra)
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 sitei82S-adenosyl-L-methionineUniRule annotation1
Binding sitei107S-adenosyl-L-methionineUniRule annotation1
Binding sitei136S-adenosyl-L-methionineUniRule annotation1
Active sitei159By similarity1
Binding sitei159S-adenosyl-L-methionineUniRule annotation1
Binding sitei163SubstrateUniRule annotation1
Binding sitei195SubstrateUniRule 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:MRA_0216
OrganismiMycobacterium tuberculosis (strain ATCC 25177 / H37Ra)
Taxonomic identifieri419947 [NCBI]
Taxonomic lineageiBacteriaActinobacteriaCorynebacterialesMycobacteriaceaeMycobacteriumMycobacterium tuberculosis complex
Proteomesi
  • UP000001988 Componenti: Chromosome

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
ChainiPRO_10001363571 – 263tRNA (guanine-N(7)-)-methyltransferaseAdd BLAST263

Interactioni

Protein-protein interaction databases

STRINGi419947.MtubH3_010100012465

Structurei

3D structure databases

ProteinModelPortaliA5TYT3
SMRiA5TYT3
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Region

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Regioni232 – 235Substrate bindingUniRule annotation4

Sequence similaritiesi

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

Phylogenomic databases

eggNOGiENOG4105CZ1 Bacteria
COG0220 LUCA
HOGENOMiHOG000073968
KOiK03439
OMAiPDPWHKS

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.

A5TYT3-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MVHHGQMHAQ PGVGLRPDTP VASGQLPSTS IRSRRSGISK AQRETWERLW
60 70 80 90 100
PELGLLALPQ SPRGTPVDTR AWFGRDAPVV LEIGSGSGTS TLAMAKAEPH
110 120 130 140 150
VDVIAVDVYR RGLAQLLCAI DKVGSDGINI RLILGNAVDV LQHLIAPDSL
160 170 180 190 200
CGVRVFFPDP WPKARHHKRR LLQPATMALI ADRLVPSGVL HAATDHPGYA
210 220 230 240 250
EHIAAAGDAE PRLVRVDPDT ELLPISVVRP ATKYERKAQL GGGAVIELLW
260
KKHGCSERDL KIR
Length:263
Mass (Da):28,547
Last modified:July 10, 2007 - v1
Checksum:i5CECF14C9650AF07
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
CP000611 Genomic DNA Translation: ABQ71933.1
RefSeqiWP_003401204.1, NZ_CP016972.1

Genome annotation databases

EnsemblBacteriaiABQ71933; ABQ71933; MRA_0216
KEGGimra:MRA_0216

Similar proteinsi

Entry informationi

Entry nameiTRMB_MYCTA
AccessioniPrimary (citable) accession number: A5TYT3
Entry historyiIntegrated into UniProtKB/Swiss-Prot: April 14, 2009
Last sequence update: July 10, 2007
Last modified: May 23, 2018
This is version 66 of the entry and version 1 of the sequence. See complete history.
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Complete proteome

Documents

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

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