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3A7D

Crystal Structures of rat Catechol-O-Methyltransferase complexed with new bi-substrate type inhibitor

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 300
ChainResidue
AASP141
AASP169
AASN170
AFBN304
AHOH312

site_idAC2
Number of Residues9
DetailsBINDING SITE FOR RESIDUE SO4 A 303
ChainResidue
ATYR68
ATYR71
ASER72
AASP141
AHOH311
AMET40
AASN41
AVAL42
AALA67

site_idAC3
Number of Residues7
DetailsBINDING SITE FOR RESIDUE SO4 A 301
ChainResidue
AGLY43
AASP44
AALA45
AGLU199
ATYR200
AHOH223
AHOH240

site_idAC4
Number of Residues23
DetailsBINDING SITE FOR RESIDUE FBN A 304
ChainResidue
ATRP38
AMET40
ATYR68
AMET89
AGLU90
AMET91
AASN92
ATYR95
AALA118
ASER119
AGLN120
AASP141
AHIS142
ATRP143
ALYS144
AASP169
AASN170
APRO174
AGLU199
AHOH224
AHOH229
AMG300
AHOH312

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

239803

PDB entries from 2025-08-06

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