Structure of PDB 5xa3 Chain B

Receptor sequence
>5xa3B (length=453) Species: 1348623 (Priestia megaterium NBRC 15308 = ATCC 14581) [Search protein sequence]
KEMPQPKTFGELKNLPLLNTDKPVQALMKIADELGEIFKFEAPGRVTRYL
SSQRLIKEACDESRFDKNLSQALKFVRDFAGDGLFTSWTHEKNWKKAHNI
LLPSFSQQAMKGYHAMMVDIAVQLVQKWERLNADEHIEVPEDMTRLTLDT
IGLCGFNYRFNSFYRDQPHPFITSMVRALDEAMNKLQRANPDDPAYDENK
RQFQEDIKVMNDLVDKIIADRKASGEQSDDLLTHMLNGKDPETGEPLDDE
NIRYQIITFLIAGHETTSGLLSFALYFLVKNPHVLQKAAEEAARVLVDPV
PSYKQVKQLKYVGMVLNEALRLWPTAPAFSLYAKEDTVLGGEYPLEKGDE
LMVLIPQLHRDKTIWGDDVEEFRPERFENPSAIPQHAFKPFGNGQRACIG
QQFALHEATLVLGMMLKHFDFEDHTNYELDIKETLTLKPEGFVVKAKSKK
IPL
3D structure
PDB5xa3 Direct Hydroxylation of Benzene to Phenol by Cytochrome P450BM3 Triggered by Amino Acid Derivatives.
ChainB
Resolution2.2 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) T266 F391 C398
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 W96 A264 T268 F331 P392 F393 R398 C400 I401 G402 K67 L84 F85 W94 A262 T266 F329 P390 F391 R396 C398 I399 G400
BS02 PRO B P25 Y51 P23 Y49
BS03 PHE B L20 S72 Q73 A74 L18 S70 Q71 A72
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:5xa3, PDBe:5xa3, PDBj:5xa3
PDBsum5xa3
PubMed28544674
UniProtP14779|CPXB_PRIM2 Bifunctional cytochrome P450/NADPH--P450 reductase (Gene Name=cyp102A1)

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