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2ZZK

Crystal structure of tRNA wybutosine synthesizing enzyme TYW4

Functional Information from GO Data
ChainGOidnamespacecontents
A0005737cellular_componentcytoplasm
A0005739cellular_componentmitochondrion
A0006400biological_processtRNA modification
A0008033biological_processtRNA processing
A0008168molecular_functionmethyltransferase activity
A0008175molecular_functiontRNA methyltransferase activity
A0016740molecular_functiontransferase activity
A0030488biological_processtRNA methylation
A0031591biological_processwybutosine biosynthetic process
A0032259biological_processmethylation
B0005737cellular_componentcytoplasm
B0005739cellular_componentmitochondrion
B0006400biological_processtRNA modification
B0008033biological_processtRNA processing
B0008168molecular_functionmethyltransferase activity
B0008175molecular_functiontRNA methyltransferase activity
B0016740molecular_functiontransferase activity
B0030488biological_processtRNA methylation
B0031591biological_processwybutosine biosynthetic process
B0032259biological_processmethylation
Functional Information from PDB Data
site_idAC1
Number of Residues8
DetailsBINDING SITE FOR RESIDUE CIT A 801
ChainResidue
ASER33
ASER34
ATYR85
AARG88
ATYR229
AHIS272
APHE273
ATYR343

site_idAC2
Number of Residues5
DetailsBINDING SITE FOR RESIDUE CIT A 802
ChainResidue
AILE524
APHE525
AASP527
BLYS326
ALYS484

site_idAC3
Number of Residues2
DetailsBINDING SITE FOR RESIDUE PG4 A 803
ChainResidue
ALYS589
AGLN591

site_idAC4
Number of Residues8
DetailsBINDING SITE FOR RESIDUE CIT B 801
ChainResidue
BASN32
BSER34
BTYR85
BARG88
BVAL225
BTYR229
BPHE273
BTYR343

site_idAC5
Number of Residues5
DetailsBINDING SITE FOR RESIDUE CIT B 802
ChainResidue
BLYS484
BILE524
BPHE525
BHOH703
BHOH704

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
DetailsActive site: {"description":"Proton donor; for both methylation and methoxycarbonylation activities","evidences":[{"source":"PubMed","id":"19287006","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues2
DetailsActive site: {"description":"Proton acceptor; for methoxycarbonylation activity","evidences":[{"source":"PubMed","id":"19287006","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues12
DetailsBinding site: {}
ChainResidueDetails

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PDB entries from 2025-07-23

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