Structure of PDB 4nkx Chain B Binding Site BS02

Receptor Information
>4nkx Chain B (length=468) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
LLSLPLVGSLPFLPRHGHMHNNFFKLQKKYGPIYSVRMGTKTTVIVGHHQ
LAKEVLIKKGKDFSGRPQMATLDILSNNRKGIAFADSGAHWQLHRRLAMA
TFALFKDGDQKLEKIICQEISTLCDMLATHNGQSIDISFPVFVAVTNVIS
LICFNTSYKNGDPELNVIQNYNEGIIDNLSKDSLVDLVPWLKIFPNKTLE
KLKSHVKIRNDLLNKILENYKEKFRSDSITNMLDTLMQAKMNSDNGQDSE
LLSDNHILTTIGDIFGAGVETTTSVVKWTLAFLLHNPQVKKKLYEEIDQN
VGFSRTPTISDRNRLLLLEATIREVLRLRPVAPMLIPHKANVDSSIGEFA
VDKGTEVIINLWALHHNEKEWHQPDQFMPERFLNPAGTQLISPSVSYLPF
GAGPRSCIGEILARQELFLIMAWLLQRFDLEVPDDGQLPSLEGIPKVVFL
IDSFKVKIKVRQAWREAQ
Ligand information
Ligand IDSTR
InChIInChI=1S/C21H30O2/c1-13(22)17-6-7-18-16-5-4-14-12-15(23)8-10-20(14,2)19(16)9-11-21(17,18)3/h12,16-19H,4-11H2,1-3H3/t16-,17+,18-,19-,20-,21+/m0/s1
InChIKeyRJKFOVLPORLFTN-LEKSSAKUSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.5.0CC(=O)C1CCC2C1(CCC3C2CCC4=CC(=O)CCC34C)C
ACDLabs 10.04O=C4C=C2C(C1CCC3(C(C(=O)C)CCC3C1CC2)C)(C)CC4
CACTVS 3.341CC(=O)[CH]1CC[CH]2[CH]3CCC4=CC(=O)CC[C]4(C)[CH]3CC[C]12C
CACTVS 3.341CC(=O)[C@H]1CC[C@H]2[C@@H]3CCC4=CC(=O)CC[C@]4(C)[C@H]3CC[C@]12C
OpenEye OEToolkits 1.5.0CC(=O)[C@H]1CC[C@@H]2[C@@]1(CC[C@H]3[C@H]2CCC4=CC(=O)CC[C@]34C)C
FormulaC21 H30 O2
NamePROGESTERONE
ChEMBLCHEMBL103
DrugBankDB00396
ZINCZINC000004428529
PDB chain4nkx Chain B Residue 601 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB4nkx Structures of Human Steroidogenic Cytochrome P450 17A1 with Substrates.
Resolution2.794 Å
Binding residue
(original residue number in PDB)		A113 N202 D298 G301 V483
Binding residue
(residue number reindexed from 1)		A83 N172 D263 G266 V448
Annotation score5
Enzymatic activity
Catalytic site (original residue number in PDB) T306 F435 C442
Catalytic site (residue number reindexed from 1) T271 F400 C407
Enzyme Commision number 1.14.14.19: steroid 17alpha-monooxygenase.
1.14.14.32: 17alpha-hydroxyprogesterone deacetylase.
Gene Ontology
Molecular Function
GO:0004497 monooxygenase activity
GO:0004508 steroid 17-alpha-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:0016829 lyase activity
GO:0019825 oxygen binding
GO:0020037 heme binding
GO:0046872 metal ion binding
Biological Process
GO:0006694 steroid biosynthetic process
GO:0006702 androgen biosynthetic process
GO:0006704 glucocorticoid biosynthetic process
GO:0007548 sex differentiation
GO:0008202 steroid metabolic process
GO:0042445 hormone metabolic process
GO:0042446 hormone biosynthetic process
GO:0042448 progesterone metabolic process
Cellular Component
GO:0005783 endoplasmic reticulum
GO:0005789 endoplasmic reticulum membrane
GO:0016020 membrane
GO:0030424 axon
GO:0043025 neuronal cell body

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:4nkx, PDBe:4nkx, PDBj:4nkx
PDBsum4nkx
PubMed25301938
UniProtP05093|CP17A_HUMAN Steroid 17-alpha-hydroxylase/17,20 lyase (Gene Name=CYP17A1)

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