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3COT

Crystal structure of human liver delta(4)-3-ketosteroid 5beta-reductase (akr1d1) in complex with progesterone and nadp. Resolution: 2.03 A.

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B
(A, B)
3-oxo-5-beta-steroid 4-dehydrogenasepolymer34639599.32UniProt (P51857)
Pfam (PF00248)
Homo sapiens (human)Delta(4)-3-ketosteroid 5-beta-reductase, Aldo-keto reductase family 1 member D1
2C, E
(A, B)
NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATEnon-polymer743.42Chemie (NAP)
PubChem (5885)
PubChem (46936685)
PubChem (71717786)
PubChem (4412)
PubChem (90473931)
PubChem (91972139)
PubChem (145946263)
PubChem (153311489)
PubChem (174001641)
PubChem (165382010)
3D, F
(A, B)
PROGESTERONEnon-polymer314.52Chemie (STR)
PubChem (16219863)
PubChem (16401562)
PubChem (16757724)
PubChem (18635648)
PubChem (4920)
PubChem (5994)
PubChem (92940)
PubChem (23615931)
PubChem (71200542)
PubChem (44135692)
PubChem (44275133)
PubChem (44279092)
PubChem (638017)
PubChem (657254)
PubChem (1807216)
PubChem (1807215)
PubChem (1807214)
PubChem (54269928)
PubChem (1274466)
PubChem (57526392)
PubChem (58483135)
PubChem (58766357)
PubChem (58872617)
PubChem (5320716)
PubChem (70865784)
PubChem (70987742)
PubChem (70987859)
PubChem (6576615)
PubChem (7048588)
PubChem (7059604)
PubChem (7059605)
PubChem (7059606)
PubChem (7092664)
PubChem (7092665)
PubChem (7092666)
PubChem (9948776)
PubChem (1201516)
PubChem (11869413)
PubChem (11869414)
PubChem (11869415)
PubChem (11876098)
PubChem (11876099)
PubChem (11876100)
PubChem (12303971)
PubChem (12303981)
PubChem (12303986)
PubChem (12303989)
PubChem (12303992)
PubChem (6603959)
PubChem (7004693)
PubChem (117072378)
PubChem (118670641)
PubChem (11869416)
PubChem (144033743)
PubChem (123410055)
PubChem (12303982)
PubChem (12303979)
PubChem (129010392)
PubChem (134688829)
PubChem (135189961)
PubChem (135190011)
PubChem (135249041)
PubChem (142168519)
PubChem (142402781)
PubChem (145130068)
PubChem (170068371)
PubChem (163070289)
PubChem (163070290)
PubChem (163070291)
PubChem (163070292)
4G, H
(A, B)
waterwater18.0497Chemie (HOH)
Sequence modifications
A, B: 1 - 326 (UniProt: P51857)
PDBExternal DatabaseDetails
Met -19-expression tag
Gly -18-expression tag
Ser -17-expression tag
Ser -16-expression tag
His -15-expression tag
His -14-expression tag
His -13-expression tag
His -12-expression tag
His -11-expression tag
His -10-expression tag
Ser -9-expression tag
Ser -8-expression tag
Gly -7-expression tag
Leu -6-expression tag
Val -5-expression tag
Pro -4-expression tag
Arg -3-expression tag
Gly -2-expression tag
Ser -1-expression tag
His 0-expression tag
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight79198.5
Non-Polymers*Number of molecules4
Total formula weight2115.7
All*Total formula weight81314.3
*Water molecules are not included.

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PDB entries from 2026-04-01

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