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3T8N

Crystal structure of ketosteroid isomerase Y16AD103A from Pseudomonas putida

Functional Information from GO Data
ChainGOidnamespacecontents
A0004769molecular_functionsteroid Delta-isomerase activity
A0006629biological_processlipid metabolic process
A0008202biological_processsteroid metabolic process
A0016853molecular_functionisomerase activity
B0004769molecular_functionsteroid Delta-isomerase activity
B0006629biological_processlipid metabolic process
B0008202biological_processsteroid metabolic process
B0016853molecular_functionisomerase activity
D0004769molecular_functionsteroid Delta-isomerase activity
D0006629biological_processlipid metabolic process
D0008202biological_processsteroid metabolic process
D0016853molecular_functionisomerase activity
F0004769molecular_functionsteroid Delta-isomerase activity
F0006629biological_processlipid metabolic process
F0008202biological_processsteroid metabolic process
F0016853molecular_functionisomerase activity
Functional Information from PDB Data
site_idAC1
Number of Residues4
DetailsBINDING SITE FOR RESIDUE SO4 A 132
ChainResidue
AARG106
ATHR115
AHOH166
AHOH210

site_idAC2
Number of Residues4
DetailsBINDING SITE FOR RESIDUE SO4 A 133
ChainResidue
AGLN30
AARG50
AARG112
BARG58

site_idAC3
Number of Residues3
DetailsBINDING SITE FOR RESIDUE SO4 D 132
ChainResidue
DHIS110
DARG112
AHIS110

site_idAC4
Number of Residues6
DetailsBINDING SITE FOR RESIDUE SO4 D 133
ChainResidue
DALA33
DASP34
DASP35
DASP108
DARG112
DHOH178

site_idAC5
Number of Residues3
DetailsBINDING SITE FOR RESIDUE SO4 D 134
ChainResidue
DARG106
DTHR115
DHOH164

site_idAC6
Number of Residues20
DetailsBINDING SITE FOR RESIDUE EDT D 135
ChainResidue
ATHR71
APRO73
BTHR71
BARG87
BHOH135
DTHR71
DGLY72
DPRO73
DARG75
DHOH147
DHOH150
DHOH155
DHOH194
DHOH195
DHOH198
FTHR71
FGLY72
FPRO73
FARG75
FHOH147

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues4
DetailsActive site: {"description":"Proton donor"}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues4
DetailsActive site: {"description":"Proton acceptor"}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues4
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"11007792","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idMCSA1
Number of Residues4
DetailsM-CSA 349
ChainResidueDetails
AALA16proton acceptor, proton donor
AASP40proton acceptor, proton donor
AASP100electrostatic stabiliser
AALA103electrostatic stabiliser

site_idMCSA2
Number of Residues4
DetailsM-CSA 349
ChainResidueDetails
BALA16proton acceptor, proton donor
BASP40proton acceptor, proton donor
BASP100electrostatic stabiliser
BALA103electrostatic stabiliser

site_idMCSA3
Number of Residues4
DetailsM-CSA 349
ChainResidueDetails

site_idMCSA4
Number of Residues4
DetailsM-CSA 349
ChainResidueDetails
DALA16proton acceptor, proton donor
DASP40proton acceptor, proton donor
DASP100electrostatic stabiliser
DALA103electrostatic stabiliser

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PDB entries from 2026-01-14

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