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4Y8W

Crystal Structure of Human Cytochrome P450 21A2 Progesterone Complex

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B, C
(A, B, C)
Cytochrome P450 21-hydroxylasepolymer48254539.23UniProt (Q16874)
Pfam (PF00067)
UniProt (by SIFTS) (P08686)
Homo sapiens (Human)Cytochrome P450,family 21,subfamily A,polypeptide 2,isoform CRA_b,DJ34F7.3 (Cytochrome P450,subfamily XXIA (Steroid 21-hydroxylase,congenital adrenal hyperplasia),polypeptide 2 (CYP21,P450c21B)),Steroid 21-hydroxylase,cDNA,FLJ95495,Homo sapiens cytochrome P450,polypeptide 2(CYP21A2),mRNA
2D, E, H, K
(A, B, C)
SULFATE IONnon-polymer96.14Chemie (SO4)
3F, I, L
(A, B, C)
PROTOPORPHYRIN IX CONTAINING FEnon-polymer616.53Chemie (HEM)
4G, J, M
(A, B, C)
PROGESTERONEnon-polymer314.53Chemie (STR)
PubChem (16219863)
PubChem (16401562)
PubChem (16757724)
PubChem (18635648)
PubChem (4920)
PubChem (23615931)
PubChem (5994)
PubChem (71200542)
PubChem (44135692)
PubChem (44275133)
PubChem (44279092)
PubChem (92940)
PubChem (54269928)
PubChem (57526392)
PubChem (58483135)
PubChem (58766357)
PubChem (58872617)
PubChem (1807216)
PubChem (1807215)
PubChem (1807214)
PubChem (70865784)
PubChem (70987742)
PubChem (70987859)
PubChem (638017)
PubChem (657254)
PubChem (1274466)
PubChem (1201516)
PubChem (5320716)
PubChem (6603959)
PubChem (7004693)
PubChem (6576615)
PubChem (7048588)
PubChem (117072378)
PubChem (118670641)
PubChem (7059604)
PubChem (7059605)
PubChem (7059606)
PubChem (7092664)
PubChem (7092665)
PubChem (7092666)
PubChem (11869416)
PubChem (144033743)
PubChem (9948776)
PubChem (123410055)
PubChem (12303982)
PubChem (12303979)
PubChem (11869413)
PubChem (11869414)
PubChem (11869415)
PubChem (11876098)
PubChem (11876099)
PubChem (11876100)
PubChem (12303971)
PubChem (12303981)
PubChem (12303986)
PubChem (12303989)
PubChem (12303992)
PubChem (170068371)
PubChem (129010392)
PubChem (134688829)
PubChem (135189961)
PubChem (135190011)
PubChem (135249041)
PubChem (142168519)
PubChem (142402781)
PubChem (145130068)
PubChem (163070289)
PubChem (163070290)
PubChem (163070291)
PubChem (163070292)
5N, O, P
(A, B, C)
waterwater18.077Chemie (HOH)
Sequence modifications
A, B, C: 30 - 495 (UniProt: Q16874)
PDBExternal DatabaseDetails
Met 20-initiating methionine
Ala 21-expression tag
Lys 22-expression tag
Lys 23-expression tag
Thr 24-expression tag
Ser 25-expression tag
Ser 26-expression tag
Lys 27-expression tag
Gly 28-expression tag
Lys 29-expression tag
His 496-expression tag
His 497-expression tag
His 498-expression tag
His 499-expression tag
His 500-expression tag
His 501-expression tag
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains3
Total formula weight163617.5
Non-Polymers*Number of molecules10
Total formula weight3177.1
All*Total formula weight166794.6
*Water molecules are not included.

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PDB entries from 2026-05-06

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