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3OZR

Rat catechol O-methyltransferase in complex with a catechol-type, bisubstrate inhibitor, no substituent in the adenine site - humanized form

Functional Information from GO Data
ChainGOidnamespacecontents
A0000287molecular_functionmagnesium ion binding
A0006584biological_processcatecholamine metabolic process
A0008171molecular_functionO-methyltransferase activity
A0016206molecular_functioncatechol O-methyltransferase activity
Functional Information from PDB Data
site_idAC1
Number of Residues5
DetailsBINDING SITE FOR RESIDUE MG A 222
ChainResidue
AASP141
AASP169
AASN170
AOZR224
AHOH233

site_idAC2
Number of Residues4
DetailsBINDING SITE FOR RESIDUE CL A 223
ChainResidue
AASN41
AVAL42
ATYR71
ASER72

site_idAC3
Number of Residues12
DetailsBINDING SITE FOR RESIDUE OZR A 224
ChainResidue
ATRP38
AMET40
AGLU90
AASN92
AASP141
AHIS142
ALYS144
AASP169
AASN170
AGLU199
AMG222
AHOH233

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues4
DetailsBinding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU01019","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"12237326","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues3
DetailsBinding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU01019","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues7
DetailsBinding site: {}
ChainResidueDetails

Catalytic Information from CSA
site_idMCSA1
Number of Residues5
DetailsM-CSA 915
ChainResidueDetails
AASP141metal ligand
ALYS144proton shuttle (general acid/base)
AASP169metal ligand
AASN170metal ligand
AGLU199electrostatic stabiliser

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PDB entries from 2025-12-17

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