Structure of PDB 2q9f Chain A

Receptor sequence
>2q9fA (length=433) Species: 9606 (Homo sapiens) [Search protein sequence]
VLQDVFLDWAKKYGPVVRVNVFHKTSVIVTSPESVKKFLMSTKYNKDSKM
YRALQTVFGERLFGQGLVSECNYERWHKQRRVIDLAFSRSSLVSLMETFN
EKAEQLVEILEAKADGQTPVSMQDMLTYTAMDILAKAAFGMETSMLLGAQ
KPLSQAVKLMLEGITASRNTLAKFLPGKRKQLREVRESIRFLRQVGRDWV
QRRREALKRGEEVPADILTQILKAEEGAQDDEGLLDNFVTFFIAGHETSA
NHLAFTVMELSRQPEIVARLQAEVDEVIGSKRYLDFEDLGRLQYLSQVLK
ESLRLYPPAWGTFRLLEEETLIDGVRVPGNTPLLFSTYVMGRMDTYFEDP
LTFNPDRFGPGAPKPRFTYFPFSLGHRSCIGQQFAQMEVKVVMAKLLQRL
EFRLVPGQRFGLQEQATLKPLDPVLCTLRPRGW
3D structure
PDB2q9f Crystal structures of substrate-bound and substrate-free cytochrome P450 46A1, the principal cholesterol hydroxylase in the brain.
ChainA
Resolution1.9 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) T306 F430 C437
Catalytic site (residue number reindexed from 1) T248 F372 C379
Enzyme Commision number 1.14.14.25: cholesterol 24-hydroxylase.
Interaction with ligand
Gene Ontology
Molecular Function
GO:0004497 monooxygenase activity
GO:0005506 iron ion binding
GO:0008395 steroid hydroxylase activity
GO:0016705 oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen
GO:0020037 heme binding
GO:0033781 cholesterol 24-hydroxylase activity
GO:0046872 metal ion binding
GO:0062184 testosterone 16-beta-hydroxylase activity
Biological Process
GO:0006699 bile acid biosynthetic process
GO:0006707 cholesterol catabolic process
GO:0006805 xenobiotic metabolic process
GO:0007399 nervous system development
GO:0008203 cholesterol metabolic process
GO:0008207 C21-steroid hormone metabolic process
GO:0016125 sterol metabolic process
GO:0042448 progesterone metabolic process
GO:1900271 regulation of long-term synaptic potentiation
GO:1903044 protein localization to membrane raft
Cellular Component
GO:0005783 endoplasmic reticulum
GO:0005789 endoplasmic reticulum membrane
GO:0016020 membrane
GO:0030425 dendrite
GO:0042995 cell projection
GO:0045202 synapse
GO:0098793 presynapse
GO:0098794 postsynapse

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Molecular Function

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Biological Process

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Cellular Component
External links
PDB RCSB:2q9f, PDBe:2q9f, PDBj:2q9f
PDBsum2q9f
PubMed18621681
UniProtQ9Y6A2|CP46A_HUMAN Cholesterol 24-hydroxylase (Gene Name=CYP46A1)

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