Structure of PDB 4due Chain B

Receptor sequence
>4dueB (length=450) Species: 1404 (Priestia megaterium) [Search protein sequence]
IKEMPQPKTFGELKNLPLLNTDKPVQALMKIADELGEIFKFEAPGRVTCY
LSSQRLIKEACDESRFDKNLSQALKFVRDFAGDGLLTSWTHEKNWKKAHN
ILLPSFSQQAMKGYHAMMVDIAVQLVQKWERLNADEHIEVPEDMTRLTLD
TIGLCGFNYRFNSFYRDQPHPFITSMVRALDEAMNKLQRPAYDENKRQFQ
EDIKVMNDLVDKIIADRKASGEQSDDLLTHMLNGKDPETGEPLDDENIRY
QIITFLIAGHESTSGLLSFALYFLVKNPHVLQKAAEEAARVLVDPVPSYK
QVKQLKYVGMVLNEALRLWPTAPAFSLYAKEDTVLGGEYPLEKGDELMVL
IPQLHRDKTIWGDDVEEFRPERFENPSAIPQHAFKPFGNGQRACIGQQFA
LHEATLVLGMMLKHFDFEDHTNYELDIKETQLLKPEGFVVKAKSKKIPLG
3D structure
PDB4due Structure-guided directed evolution of highly selective p450-based magnetic resonance imaging sensors for dopamine and serotonin.
ChainB
Resolution1.7 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) S268 F393 C400
Catalytic site (residue number reindexed from 1) S262 F387 C394
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 L87 W96 A264 G265 S268 F331 P392 F393 R398 C400 I401 G402 A406 K68 L85 L86 W95 A258 G259 S262 F325 P386 F387 R392 C394 I395 G396 A400
BS02 SRO B L75 L87 A264 Q437 L74 L86 A258 Q431 MOAD: Kd=0.7uM
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:4due, PDBe:4due, PDBj:4due
PDBsum4due
PubMed22659321
UniProtP14779|CPXB_PRIM2 Bifunctional cytochrome P450/NADPH--P450 reductase (Gene Name=cyp102A1)

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