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3T8U

Crystal structure of ketosteroid isomerase Y14AY55FD99A from Pseudomonas testosteroni

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
C0004769molecular_functionsteroid Delta-isomerase activity
C0006629biological_processlipid metabolic process
C0008202biological_processsteroid metabolic process
C0016853molecular_functionisomerase activity
D0004769molecular_functionsteroid Delta-isomerase activity
D0006629biological_processlipid metabolic process
D0008202biological_processsteroid metabolic process
D0016853molecular_functionisomerase activity
Functional Information from PDB Data
site_idAC1
Number of Residues2
DetailsBINDING SITE FOR RESIDUE SO4 A 126
ChainResidue
AHIS122
DLYS119

site_idAC2
Number of Residues2
DetailsBINDING SITE FOR RESIDUE SO4 C 126
ChainResidue
BHIS6
BARG13

site_idAC3
Number of Residues2
DetailsBINDING SITE FOR RESIDUE SO4 C 127
ChainResidue
CHIS6
CARG13

site_idAC4
Number of Residues3
DetailsBINDING SITE FOR RESIDUE SO4 A 127
ChainResidue
AHIS6
AALA9
AARG13

site_idAC5
Number of Residues2
DetailsBINDING SITE FOR RESIDUE SO4 C 128
ChainResidue
CHIS100
DHIS100

site_idAC6
Number of Residues3
DetailsBINDING SITE FOR RESIDUE SO4 D 126
ChainResidue
DILE121
DHIS122
DALA123

site_idAC7
Number of Residues2
DetailsBINDING SITE FOR RESIDUE SO4 D 127
ChainResidue
CHIS100
DHIS100

site_idAC8
Number of Residues2
DetailsBINDING SITE FOR RESIDUE SO4 A 128
ChainResidue
AASN104
AGLY105

site_idAC9
Number of Residues3
DetailsBINDING SITE FOR RESIDUE SO4 D 128
ChainResidue
DASN104
DGLY105
DALA106

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","evidences":[{"source":"PubMed","id":"3480517","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues4
DetailsBinding site: {}
ChainResidueDetails

247536

PDB entries from 2026-01-14

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