Structure of PDB 8si9 Chain B Binding Site BS01

Receptor Information
>8si9 Chain B (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 A Residue 402 [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)
Q242 V243 W246 P330
Binding residue
(residue number reindexed from 1)
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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Biological Process

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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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