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1OGX

High Resolution Crystal Structure Of Ketosteroid Isomerase Mutant D40N(D38N, Ti Numbering) from Pseudomonas putida Complexed With Equilenin At 2.0 A Resolution.

Replaces:  1E3N
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
Functional Information from PDB Data
site_idAC1
Number of Residues7
DetailsBINDING SITE FOR RESIDUE EQU A1128
ChainResidue
ATYR16
AASN40
AMET90
AASP103
AMET116
ATRP120
BASN293

site_idAC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE EQU B1328
ChainResidue
BPHE286
BMET290
BASP303
BTRP320
BTYR216
BASN240

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
DetailsActive site: {"description":"Proton donor"}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues2
DetailsActive site: {"description":"Proton acceptor"}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues2
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"11007792","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues5
DetailsAnnotated By Reference To The Literature 1e3v
ChainResidueDetails
AASP103
AASN40
ATYR32
ATYR16
ATYR57

site_idCSA2
Number of Residues5
DetailsAnnotated By Reference To The Literature 1e3v
ChainResidueDetails
BTYR216
BTYR257
BASN240
BASP303
BTYR232

site_idMCSA1
Number of Residues4
DetailsM-CSA 349
ChainResidueDetails
ATYR16proton acceptor, proton donor
AASN40proton acceptor, proton donor
AASP100electrostatic stabiliser
AASP103electrostatic stabiliser

site_idMCSA2
Number of Residues4
DetailsM-CSA 349
ChainResidueDetails
BTYR216proton acceptor, proton donor
BASN240proton acceptor, proton donor
BASP300electrostatic stabiliser
BASP303electrostatic stabiliser

238895

PDB entries from 2025-07-16

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