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4EK1

Crystal Structure of Electron-Spin Labeled Cytochrome P450cam

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B
(A, B)
Camphor 5-monooxygenasepolymer41446524.72UniProt (P00183)
Pfam (PF00067)
Pseudomonas putidaCytochrome P450-cam, Cytochrome P450cam
2C, H
(A, B)
PROTOPORPHYRIN IX CONTAINING FEnon-polymer616.52Chemie (HEM)
3D, I
(A, B)
CAMPHORnon-polymer152.22Chemie (CAM)
4E, J
(A, B)
POTASSIUM IONnon-polymer39.12Chemie (K)
5F, G, K
(A, B)
S-[(1-oxyl-2,2,5,5-tetramethyl-2,5-dihydro-1H-pyrrol-3-yl)methyl] methanesulfonothioatenon-polymer264.43Chemie (MTN)
6L, M
(A, B)
waterwater18.0413Chemie (HOH)
Sequence modifications
A, B: 1 - 414 (UniProt: P00183)
PDBExternal DatabaseDetails
Cys 48Ser 49engineered mutation
Ser 58Cys 59engineered mutation
Ser 85Cys 86engineered mutation
Ser 136Cys 137engineered mutation
Cys 190Ser 191engineered mutation
Ser 285Cys 286engineered mutation
Ala 334Cys 335engineered mutation
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight93049.4
Non-Polymers*Number of molecules9
Total formula weight2408.8
All*Total formula weight95458.2
*Water molecules are not included.

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PDB entries from 2026-01-14

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