Structure of PDB 8si9 Chain D Binding Site BS02

Receptor Information
>8si9 Chain D (length=337) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
NTTVFTRILDRLLDGYDNRLRPGLGERVTEVKTDIFVTSFGPVSDHDMEY
TIDVFFRQSWKDERLKFKGPMTVLRLNNLMASKIWTPDTFFHNGKKSVAH
NMTMPNKLLRITEDGTLLYTMRLTVRAECPMHLEDFPMDAHACPLKFGSY
AYTRAEVVYEWTREPARSVVVAEDGSRLNQYDLLGQTVDSGIVQSSTGEY
VVMTTHFHLKRKIGYFVIQTYLPCIMTVILSQVSFWLNRESVPARTVFGV
TTVLTMTTLSISARNSLPKVAYATAMDWFIAVCYAFVFSALIEFATVNYF
TKSQPARAAKIDRLSRIAFPLLFGIFNLVYWATYLNR
Ligand information
Ligand IDY4B
InChIInChI=1S/C21H34O2/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/h14-19,23H,4-12H2,1-3H3/t14-,15+,16-,17+,18-,19-,20-,21+/m0/s1
InChIKeyAURFZBICLPNKBZ-SYBPFIFISA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 2.0.7CC(=O)[C@H]1CC[C@@H]2[C@@]1(CC[C@H]3[C@H]2CC[C@@H]4[C@@]3(CC[C@H](C4)O)C)C
CACTVS 3.385CC(=O)[C@H]1CC[C@H]2[C@@H]3CC[C@H]4C[C@H](O)CC[C@]4(C)[C@H]3CC[C@]12C
CACTVS 3.385CC(=O)[CH]1CC[CH]2[CH]3CC[CH]4C[CH](O)CC[C]4(C)[CH]3CC[C]12C
ACDLabs 12.01CC(=O)C1CCC2C3CCC4CC(O)CCC4(C)C3CCC12C
OpenEye OEToolkits 2.0.7CC(=O)C1CCC2C1(CCC3C2CCC4C3(CCC(C4)O)C)C
FormulaC21 H34 O2
Nameallopregnanolone;
3beta-hydroxy-5beta,10alpha,14beta,17alpha-pregnan-20-one;
Brexanolone
ChEMBLCHEMBL207538
DrugBankDB11859
ZINCZINC000004081043
PDB chain8si9 Chain C Residue 403 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB8si9 Structural insights into opposing actions of neurosteroids on GABA A receptors.
Resolution2.98 Å
Binding residue
(original residue number in PDB)
I239 Q242 V243 W246 P330
Binding residue
(residue number reindexed from 1)
I229 Q232 V233 W236 P320
Annotation score1
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0004888 transmembrane signaling receptor activity
GO:0004890 GABA-A receptor activity
GO:0005216 monoatomic ion channel activity
GO:0005230 extracellular ligand-gated monoatomic ion channel activity
Biological Process
GO:0006811 monoatomic ion transport
GO:0034220 monoatomic ion transmembrane transport
Cellular Component
GO:0016020 membrane

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Molecular Function

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Cellular Component
External links
PDB RCSB:8si9, PDBe:8si9, PDBj:8si9
PDBsum8si9
PubMed37607940
UniProtP14867|GBRA1_HUMAN Gamma-aminobutyric acid receptor subunit alpha-1 (Gene Name=GABRA1)

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