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4PYO

Humanized rat COMT bound to SAH, semi-holo form

Functional Information from GO Data
ChainGOidnamespacecontents
A0000287molecular_functionmagnesium ion binding
A0006584biological_processcatecholamine metabolic process
A0008171molecular_functionO-methyltransferase activity
A0016206molecular_functioncatechol O-methyltransferase activity
B0000287molecular_functionmagnesium ion binding
B0006584biological_processcatecholamine metabolic process
B0008171molecular_functionO-methyltransferase activity
B0016206molecular_functioncatechol O-methyltransferase activity
Functional Information from PDB Data
site_idAC1
Number of Residues18
DetailsBINDING SITE FOR RESIDUE SAH A 301
ChainResidue
ALYS89
AALA161
ASER162
AGLN163
AASP184
AHIS185
ATRP186
AARG189
AHOH410
AHOH416
AGLY109
AALA110
ATYR111
ATYR114
ASER115
AGLU133
AILE134
AGLY160

site_idAC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE K A 302
ChainResidue
AVAL226
AARG227
ASER229
APHE232
AHOH411
AHOH440

site_idAC3
Number of Residues18
DetailsBINDING SITE FOR RESIDUE SAH B 301
ChainResidue
BASN84
BVAL85
BGLY109
BALA110
BTYR111
BTYR114
BSER115
BGLU133
BILE134
BGLY160
BALA161
BSER162
BGLN163
BASP184
BHIS185
BTRP186
BHOH401
BHOH432

site_idAC4
Number of Residues6
DetailsBINDING SITE FOR RESIDUE MG B 302
ChainResidue
BASP184
BASP212
BASN213
BHOH431
BHOH432
BHOH441

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues8
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 Residues6
DetailsBinding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU01019","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues14
DetailsBinding site: {}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues2
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"22673903","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idMCSA1
Number of Residues5
DetailsM-CSA 915
ChainResidueDetails
AASP184metal ligand
ALYS187proton shuttle (general acid/base)
AASP212metal ligand
AASN213metal ligand
AGLU242electrostatic stabiliser

site_idMCSA2
Number of Residues5
DetailsM-CSA 915
ChainResidueDetails
BASP184metal ligand
BLYS187proton shuttle (general acid/base)
BASP212metal ligand
BASN213metal ligand
BGLU242electrostatic stabiliser

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PDB entries from 2025-07-23

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