Structure of PDB 3ekb Chain A

Receptor sequence
>3ekbA (length=442) Species: 1404 (Priestia megaterium) [Search protein sequence]
TIKEMPQPKTFGELKNLPLLNTDKPVQALMKIADELGEIFKFEAPGRVTR
YLSSQRLIKEACDESRFDKNLSQALKFVRDFAGDGLFTSWTHEKNWKKAH
NILLPSFSQQAMKGYHAMMVDIAVQLVQKWERLNADEHIEVPEDMTRLTL
DTIGLCGFNYRFNSFYRDQPHPFITSMVRALDEAMNKLQRANQFQEDIKV
MNDLVDKIIADRKAQSDDLLTHMLNGKDPETGEPLDDENIRYQIITFLIC
GHETTSGLLSFALYFLVKNPHVLQKAAEEAARVLVDPVPSYKQVKQLKYV
GMVLNEALRLWPTAPAFSLYAKEDTVLGGEYPLEKGDELMVLIPQLHRDK
TIWGDDVEEFRPERFENPSAIPQHAFKPFGNGQRACIGQQFALHEATLVL
GMMLKHFDFEDHTNYELDIKETLTLKPEGFVVKAKSKKIPLG
3D structure
PDB3ekb Novel haem co-ordination variants of flavocytochrome P450BM3.
ChainA
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) T268 F393 C400
Catalytic site (residue number reindexed from 1) T254 F379 C386
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 A K69 L86 F87 W96 F261 C264 G265 T268 F331 P392 F393 R398 C400 I401 G402 A406 K69 L86 F87 W96 F247 C250 G251 T254 F317 P378 F379 R384 C386 I387 G388 A392
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:3ekb, PDBe:3ekb, PDBj:3ekb
PDBsum3ekb
PubMed18721129
UniProtP14779|CPXB_PRIM2 Bifunctional cytochrome P450/NADPH--P450 reductase (Gene Name=cyp102A1)

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