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1UAK

Crystal structure of tRNA(m1G37)methyltransferase: Insight into tRNA recognition

Functional Information from GO Data
ChainGOidnamespacecontents
A0002939biological_processtRNA N1-guanine methylation
A0005737cellular_componentcytoplasm
A0005829cellular_componentcytosol
A0006400biological_processtRNA modification
A0008033biological_processtRNA processing
A0008168molecular_functionmethyltransferase activity
A0016740molecular_functiontransferase activity
A0032259biological_processmethylation
A0052906molecular_functiontRNA (guanine(37)-N1)-methyltransferase activity
Functional Information from PDB Data
site_idAC1
Number of Residues23
DetailsBINDING SITE FOR RESIDUE SAM A 301
ChainResidue
ATYR86
AILE133
AGLY134
ATYR136
ALEU138
ATHR139
AGLY140
AGLY141
APRO144
ASER170
AASP177
ALEU87
AHIS180
AHOH1016
AHOH1060
AHOH1209
ASER88
APRO89
AGLN90
AGLY113
ATYR115
AGLU116
ASER132

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues7
DetailsBinding site: {}
ChainResidueDetails

Catalytic Information from CSA
site_idMCSA1
Number of Residues3
DetailsM-CSA 332
ChainResidueDetails
APRO89increase nucleophilicity, steric role
AGLU116electrostatic stabiliser, hydrogen bond acceptor
AARG154activator, electrostatic stabiliser, hydrogen bond donor

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PDB entries from 2025-09-24

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