Structure of PDB 3t3s Chain A

Receptor sequence
>3t3sA (length=464) Species: 9606 (Homo sapiens) [Search protein sequence]
GKLPPGPTPLPFIGNYLQLNTEQMYNSLMKISERYGPVFTIHLGPRRVVV
LCGHDAVKEALVDQAEEFSGRGEQATFDWLFKGYGVAFSNGERAKQLRRF
SIATLRGFGVGKRGIEERIQEEAGFLIDALRGTHGANIDPTFFLSRTVSN
VISSIVFGDRFDYEDKEFLSLLRMMLGSFQFTATSTGQLYEMFSSVMKHL
PGPQQQAFKELQGLEDFIAKKVEHNQRTLDPNSPRDFIDSFLIRMQEEEK
NPNTEFYLKNLVMTTLNLFFAGTETVSTTLRYGFLLLMKHPEVEAKVHEE
IDRVIGKNRQPKFEDRAKMPYTEAVIHEIQRFGDMLPMGLAHRVNKDTKF
RDFFLPKGTEVFPMLGSVLRDPRFFSNPRDFNPQHFLDKKGQFKKSDAFV
PFSIGKRYCFGEGLARMELFLFFTTIMQNFRFKSPQSPKDIDVSPKHVGF
ATIPRNYTMSFLPR
3D structure
PDB3t3s Structural comparison of cytochromes P450 2A6, 2A13, and 2E1 with pilocarpine.
ChainA
Resolution3.0 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) T305 F432 C439
Catalytic site (residue number reindexed from 1) T275 F402 C409
Enzyme Commision number 1.14.14.1: unspecific 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 R101 A117 R128 A301 T305 L366 L370 H372 P431 F432 S433 R437 C439 F440 G441 R71 A87 R98 A271 T275 L336 L340 H342 P401 F402 S403 R407 C409 F410 G411
BS02 9PL A F107 F111 F209 N297 F300 T305 F77 F81 F179 N267 F270 T275 BindingDB: Ki=1400nM,Kd=3000nM
Gene Ontology
Molecular Function
GO:0004497 monooxygenase activity
GO:0005506 iron ion binding
GO:0008389 coumarin 7-hydroxylase activity
GO:0008392 arachidonate epoxygenase activity
GO:0016705 oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen
GO:0016712 oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen, reduced flavin or flavoprotein as one donor, and incorporation of one atom of oxygen
GO:0020037 heme binding
GO:0046872 metal ion binding
GO:0070330 aromatase activity
Biological Process
GO:0006805 xenobiotic metabolic process
GO:0009804 coumarin metabolic process
GO:0019373 epoxygenase P450 pathway
GO:0046222 aflatoxin metabolic process
Cellular Component
GO:0005737 cytoplasm
GO:0005783 endoplasmic reticulum
GO:0005789 endoplasmic reticulum membrane
GO:0016020 membrane
GO:0043231 intracellular membrane-bounded organelle

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Molecular Function

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Biological Process

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Cellular Component
External links
PDB RCSB:3t3s, PDBe:3t3s, PDBj:3t3s
PDBsum3t3s
PubMed22051186
UniProtQ16696|CP2AD_HUMAN Cytochrome P450 2A13 (Gene Name=CYP2A13)

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