Structure of PDB 3ekd Chain B

Receptor sequence
>3ekdB (length=455) Species: 1404 (Priestia megaterium) [Search protein sequence]
IKEMPQPKTFGELKNLPLLNTDKPVQALMKIADELGEIFKFEAPGRVTRY
LSSQRLIKEACDESRFDKNLSQALKFVRDFAGDGLFTSWTHEKNWKKAHN
ILLPSFSQQAMKGYHAMMVDIAVQLVQKWERLNADEHIEVPEDMTRLTLD
TIGLCGFNYRFNSFYRDQPHPFITSMVRALDEAMNKLQRANPDDPAYDEN
KRQFQEDIKVMNDLVDKIIADRKASQSDDLLTHMLNGKDPETGEPLDDEN
IRYQIITFLIMGHETTSGLLSFALYFLVKNPHVLQKAAEEAARVLVDPVP
SYKQVKQLKYVGMVLNEALRLWPTAPAFSLYAKEDTVLGGEYPLEKGDEL
MVLIPQLHRDKTIWGDDVEEFRPERFENPSAIPQHAFKPFGNGQRACIGQ
QFALHEATLVLGMMLKHFDFEDHTNYELDIKETLTLKPEGFVVKAKSKKI
PLGGI
3D structure
PDB3ekd Novel haem co-ordination variants of flavocytochrome P450BM3.
ChainB
Resolution2.5 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) T268 F393 C400
Catalytic site (residue number reindexed from 1) T265 F390 C397
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 L86 F87 M264 G265 T268 F331 F393 C400 I401 G402 K68 L85 F86 M261 G262 T265 F328 F390 C397 I398 G399
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:3ekd, PDBe:3ekd, PDBj:3ekd
PDBsum3ekd
PubMed18721129
UniProtP14779|CPXB_PRIM2 Bifunctional cytochrome P450/NADPH--P450 reductase (Gene Name=cyp102A1)

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