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6U1Z

Crystal Structure of Ketosteroid Isomerase from Pseudomonas Putida (pKSI) at 280 K

Functional Information from GO Data
ChainGOidnamespacecontents
A0004769molecular_functionsteroid delta-isomerase activity
A0008202biological_processsteroid metabolic process
A0016853molecular_functionisomerase activity
B0004769molecular_functionsteroid delta-isomerase activity
B0008202biological_processsteroid metabolic process
B0016853molecular_functionisomerase activity
Functional Information from PDB Data
site_idAC1
Number of Residues6
Detailsbinding site for residue MG B 201
ChainResidue
BHOH308
BHOH324
BHOH373
BHOH384
BHOH385
BHOH389

site_idAC2
Number of Residues4
Detailsbinding site for residue CL B 202
ChainResidue
BHOH378
ATHR71
BGLY72
BARG75

site_idAC3
Number of Residues5
Detailsbinding site for residue CL A 201
ChainResidue
AGLY72
AARG75
BTHR71
BHOH355
BHOH378

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
DetailsACT_SITE: Proton donor
ChainResidueDetails
ATYR16
BTYR16

site_idSWS_FT_FI2
Number of Residues2
DetailsACT_SITE: Proton acceptor
ChainResidueDetails
AASP40
BASP40

site_idSWS_FT_FI3
Number of Residues2
DetailsBINDING: BINDING => ECO:0000269|PubMed:11007792
ChainResidueDetails
AASP103
BASP103

Catalytic Information from CSA
site_idMCSA1
Number of Residues4
DetailsM-CSA 349
ChainResidueDetails
BTYR16proton acceptor, proton donor
BASP40proton acceptor, proton donor
BASP100electrostatic stabiliser
BASP103electrostatic stabiliser

site_idMCSA2
Number of Residues4
DetailsM-CSA 349
ChainResidueDetails
ATYR16proton acceptor, proton donor
AASP40proton acceptor, proton donor
AASP100electrostatic stabiliser
AASP103electrostatic stabiliser

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PDB entries from 2024-06-12

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