SMTL ID : 6cdu.2 (1 other biounit)

Crystal structure of a chimeric human alpha1GABAA receptor in complex with alphaxalone

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 3.45 Å

Oligo State

homo-pentamer

Ligands

5 x EY4: (3a,5a)-3-Hydroxypregnane-11,20-dione(Non-covalent)

EY4.1: 7 residues within 4Å: Chain A: A.283, T.284 Chain E: I.217, Q.220, V.221, W.224, P.308 8 PLIP interactions: 7 interactions with chain E, 1 interactions with chain A Hydrophobic interactions: E:I.217, E:V.221, E:W.224, E:W.224, E:W.224, E:W.224, E:W.224, A:A.283 EY4.2: 8 residues within 4Å: Chain A: I.217, Q.220, V.221, W.224, R.304, P.308 Chain B: I.280, T.284 8 PLIP interactions: 2 interactions with chain B, 6 interactions with chain A Hydrophobic interactions: B:I.280, B:I.280, A:I.217, A:V.221, A:W.224, A:W.224, A:W.224 Hydrogen bonds: A:R.304 EY4.3: 9 residues within 4Å: Chain B: I.217, Q.220, V.221, W.224, P.308 Chain C: I.280, A.283, T.284, Y.287 6 PLIP interactions: 4 interactions with chain B, 2 interactions with chain C Hydrophobic interactions: B:I.217, B:Q.220, B:V.221, B:W.224, C:I.280, C:Y.287 EY4.4: 7 residues within 4Å: Chain C: Q.220, V.221, W.224, P.308 Chain D: A.283, T.284, Y.287 6 PLIP interactions: 2 interactions with chain D, 4 interactions with chain C Hydrophobic interactions: D:A.283, D:Y.287, C:V.221, C:W.224, C:W.224, C:W.224 EY4.5: 6 residues within 4Å: Chain D: I.217, Q.220, V.221, W.224, P.308 Chain E: T.284 7 PLIP interactions: 7 interactions with chain D Hydrophobic interactions: D:V.221, D:W.224, D:W.224, D:W.224, D:W.224, D:W.224 Hydrogen bonds: D:Q.220

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Chen, Q. et al., Structural basis of neurosteroid anesthetic action on GABAAreceptors. Nat Commun (2018)

Release Date

2018-08-22

Peptides

chimeric alpha1GABAA receptor: ABCDE

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
F

B
G

C
H

D
I

E
J

Membrane

We predict this structure to be a membrane protein.
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chimeric alpha1GABAA receptor

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