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2NNB

The Q403K mutant heme domain of flavocytochrome P450 BM3

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B
(A, B)
Bifunctional P-450:NADPH-P450 reductasepolymer47153797.32UniProt (P14779)
Pfam (PF00067)
Bacillus megateriumCytochrome P450(BM-3), P450BM-3
2C, D
(A, B)
PROTOPORPHYRIN IX CONTAINING FEnon-polymer616.52Chemie (HEM)
3E, F
(A, B)
waterwater18.0800Chemie (HOH)
Sequence modifications
A, B: 1 - 471 (UniProt: P14779)
PDBExternal DatabaseDetails
Lys 403Gln 403engineered mutation
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight107594.7
Non-Polymers*Number of molecules2
Total formula weight1233.0
All*Total formula weight108827.7
*Water molecules are not included.

246031

PDB entries from 2025-12-10

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