Structure of PDB 1fah Chain B

Receptor sequence
>1fahB (length=455) Species: 1404 (Priestia megaterium) [Search protein sequence]
TIKEMPQPKTFGELKNLPLLNTDKPVQALMKIADELGEIFKFEAPGRVTR
YLSSQRLIKEACDESRFDKNLSQALKFVRDFAGDGLFTSWTHEKNWKKAH
NILLPSFSQQAMKGYHAMMVDIAVQLVQKWERLNADEHIEVPEDMTRLTL
DTIGLCGFNYRFNSFYRDQPHPFITSMVRALDEAMNKLQRANPDDPAYDE
NKRQFQEDIKVMNDLVDKIIADRKASGEQSDDLLTHMLNGKDPETGEPLD
DENIRYQIITFLIAGHEATSGLLSFALYFLVKNPHVLQKAAEEAARVLVD
PVPSYKQVKQLKYVGMVLNEALRLWPTAPAFSLYAKEDTVLGGEYPLEKG
DELMVLIPQLHRDKTIWGDDVEEFRPERFENPSAIPQHAFKPFGNGQRAC
IGQQFALHEATLVLGMMLKHFDFEDHTNYELDIKETLTLKPEGFVVKAKS
KKIPL
3D structure
PDB1fah The role of Thr268 in oxygen activation of cytochrome P450BM-3.
ChainB
Resolution2.3 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) A268 F393 C400
Catalytic site (residue number reindexed from 1) A268 F393 C400
Enzyme Commision number 1.14.14.1: unspecific monooxygenase.
1.6.2.4: NADPH--hemoprotein reductase.
Interaction with ligand
Site
#
Ligand Ligand
chain
Binding residues on receptor
(original residue number in PDB)
Binding residues on receptor
(residue number reindexed from 1)
Binding affinity
BS01 HEM B K69 F87 G265 A268 T269 F331 P392 F393 R398 C400 I401 A406 K69 F87 G265 A268 T269 F331 P392 F393 R398 C400 I401 A406
Gene Ontology
Molecular Function
GO:0004497 monooxygenase activity
GO:0005506 iron ion binding
GO:0016705 oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen
GO:0020037 heme binding

View graph for
Molecular Function
External links
PDB RCSB:1fah, PDBe:1fah, PDBj:1fah
PDBsum1fah
PubMed7578081
UniProtP14779|CPXB_PRIM2 Bifunctional cytochrome P450/NADPH--P450 reductase (Gene Name=cyp102A1)

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