Structure of PDB 2qbm Chain A

Receptor sequence

>2qbmA (length=405) Species: 303 (Pseudomonas putida)

NLAPLPPHVPEHLVFDFDMYNPSNLSAGVQEAWAVLQESNVPDLVWTRCN
GGHWIATRGQLIREAYEDYRHFSSECPFIPREAGEAYDFIPTSMDPPEQR
QFRALANQVVGMPVVDKLENRIQELACSLIESLRPQGQCNFTEDYAEPFP
IRIFMLLAGLPEEDIPHLKYLTDQMTRPDGSMTFAEAKEALYDYLIPIIE
QRRQKPGTDAISIVANGQVNGRPITSDEAKRMCGLLLVTGLDTVVNFLSF
SMEFLAKSPEHRQELIERPERIPAACEELLRRFSLVADGRILTSDYEFHG
VQLKKGDQILLPQMLSGLDERENACPMHVDFSRQKVSHTTFGHGSHLCLG
QHLARREIIVTLKEWLTRIPDFSIAPGAQIQHKSGIVSGVQALPLVWDPA
TTKAV

3D structure

• PDB: 2qbm Alteration of P450 Distal Pocket Solvent Leads to Impaired Proton Delivery and Changes in Heme Geometry.
• Chain: A
• Resolution: 1.8 Å

Enzymatic activity

• Catalytic site (original residue number in PDB): R186 T248 D251 T252 V253 C357 L358 G359 E366 V396
• Catalytic site (residue number reindexed from 1): R177 T239 D242 T243 V244 C348 L349 G350 E357 V387
• Enzyme Commision number: 1.14.15.1: camphor 5-monooxygenase.

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	T101 R112 V119 T248 T252 V253 D297 R299 Q322 T349 F350 G351 H355 C357 G359	T92 R103 V110 T239 T243 V244 D288 R290 Q313 T340 F341 G342 H346 C348 G350
BS02	CAM	A	F87 Y96 T248 V295 D297	F78 Y87 T239 V286 D288

Gene Ontology

Molecular Function

• GO:0004497 monooxygenase activity
• GO:0005506 iron ion binding
• GO:0005515 protein binding
• GO:0016705 oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen
• GO:0018683 camphor 5-monooxygenase activity
• GO:0020037 heme binding
• GO:0046872 metal ion binding

Biological Process

• GO:0019383 (+)-camphor catabolic process

Cellular Component

• GO:0005737 cytoplasm

External links

• PDB: RCSB:2qbm, PDBe:2qbm, PDBj:2qbm
• PDBsum: 2qbm
• PubMed: 18001135
• UniProt: P00183|CPXA_PSEPU Camphor 5-monooxygenase (Gene Name=camC)