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6UCW

Multi-conformer model of Apo Ketosteroid Isomerase from Pseudomonas Putida (pKSI) at 250 K

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 Residues6
Detailsbinding site for residue MG A 201
ChainResidue
AGLU18
AASP21
AHOH380
AHOH385
AHOH393
AHOH408

site_idAC2
Number of Residues6
Detailsbinding site for residue MG A 202
ChainResidue
AHOH369
AHOH400
AHOH405
AHOH311
AHOH321
AHOH365

site_idAC3
Number of Residues5
Detailsbinding site for residue CL A 203
ChainResidue
AGLY72
AARG75
BTHR71
BHOH333
BHOH361

site_idAC4
Number of Residues6
Detailsbinding site for residue CL B 201
ChainResidue
ATHR71
AHOH323
BGLY72
BARG75
BHOH361
BHOH373

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_idMCSA1
Number of Residues4
DetailsM-CSA 349
ChainResidueDetails
ATYR16proton acceptor, proton donor
AASP40proton acceptor, proton donor
AASP100electrostatic stabiliser
AASP103electrostatic stabiliser

site_idMCSA2
Number of Residues4
DetailsM-CSA 349
ChainResidueDetails
BTYR16proton acceptor, proton donor
BASP40proton acceptor, proton donor
BASP100electrostatic stabiliser
BASP103electrostatic stabiliser

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PDB entries from 2025-07-23

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