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6TZD

Crystal Structure of Ketosteroid Isomerase from Pseudomonas Putida (pKSI) bound to 4-Androstenedione at 280 K

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B
(B, A)
Steroid Delta-isomerasepolymer13114548.52UniProt (P07445)Pseudomonas putidaDelta(5)-3-ketosteroid isomerase
2C, F
(B, A)
4-ANDROSTENE-3-17-DIONEnon-polymer286.42Chemie (ASD)
PubChem (16401731)
PubChem (1777655)
PubChem (1777653)
PubChem (1777654)
PubChem (45038166)
PubChem (45157398)
PubChem (45358828)
PubChem (712379)
PubChem (719687)
PubChem (51571550)
PubChem (11869385)
PubChem (12502771)
PubChem (68200178)
PubChem (70987809)
PubChem (86310158)
PubChem (86310317)
PubChem (90350327)
PubChem (118179606)
PubChem (121467525)
PubChem (2193)
PubChem (6128)
PubChem (249335)
PubChem (124306669)
PubChem (124905398)
PubChem (6432604)
PubChem (6603719)
PubChem (7059480)
PubChem (7092858)
PubChem (7092862)
PubChem (10636976)
PubChem (11862468)
PubChem (11869386)
PubChem (12502775)
PubChem (12502776)
PubChem (139408315)
PubChem (141834009)
PubChem (142980352)
PubChem (144685561)
PubChem (144685562)
PubChem (163076809)
3D, E
(B, A)
CHLORIDE IONnon-polymer35.52Chemie (CL)
PubChem (312)
4G
(A)
MAGNESIUM IONnon-polymer24.31Chemie (MG)
PubChem (888)
5H, I
(B, A)
waterwater18.0120Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight29097.0
Non-Polymers*Number of molecules5
Total formula weight668.0
All*Total formula weight29765.0
*Water molecules are not included.

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PDB entries from 2026-05-20

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