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4D6Z

Cytochrome P450 3A4 bound to imidazole and an inhibitor

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
CYTOCHROME P450 3A4polymer48755641.71UniProt (P08684)
Pfam (PF00067)
HOMO SAPIENS (HUMAN)1,8-CINEOLE 2-EXO-MONOOXYGENASE, ALBENDAZOLE MONOOXYGENASE, ALBENDAZOLE SULFOXIDASE, CYPIIIA3, CYPIIIA4, CYTOCHROME P450 3A3, CYTOCHROME P450 HLP, CYTOCHROME P450 NF-25, CYTOCHROME P450-PCN1, NIFEDIPINE OXIDASE, QUININE 3-MONOOXYGENASE, TAUROCHENODEOXYCHOLATE 6-ALPHA-HYDROXYLASE
2B
(A)
PROTOPORPHYRIN IX CONTAINING FEnon-polymer616.51Chemie (HEM)
3C
(A)
tert-butyl {6-oxo-6-[(pyridin-3-ylmethyl)amino]hexyl}carbamatenon-polymer321.41Chemie (PK9)
4D
(A)
IMIDAZOLEnon-polymer69.11Chemie (IMD)
5E, F, G, H
(A)
GLYCEROLnon-polymer92.14Chemie (GOL)
6I
(A)
waterwater18.0190Chemie (HOH)
Sequence modifications
A: 23 - 503 (UniProt: P08684)
PDBExternal DatabaseDetails
Met 21-expression tag
Ala 22-expression tag
His 504-expression tag
His 505-expression tag
His 506-expression tag
His 507-expression tag
Ala 282Lys 282engineered mutation
Ala 285Glu 285engineered mutation
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains1
Total formula weight55641.7
Non-Polymers*Number of molecules7
Total formula weight1375.4
All*Total formula weight57017.0
*Water molecules are not included.

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PDB entries from 2025-06-11

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