SMTL ID : 4a97.1 (1 other biounit)

X-ray structure of a pentameric ligand gated ion channel from Erwinia chrysanthemi (ELIC) in complex with zopiclone

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 3.34 Å

Oligo State

homo-pentamer

Ligands

5 x ZPC: (5R)-6-(5-chloropyridin-2-yl)-7-oxo-6,7-dihydro-5H-pyrrolo[3,4-b]pyrazin-5-yl 4-methylpiperazine-1-carboxylate(Non-covalent)

ZPC.1: 16 residues within 4Å: Chain A: E.67, I.69, E.121, P.122, F.123, Y.165, H.167, V.171, F.178 Chain E: F.9, Y.28, V.30, R.81, I.91, N.93, E.140 8 PLIP interactions: 5 interactions with chain E, 3 interactions with chain A Hydrophobic interactions: E:F.9, E:V.30, E:V.30 pi-Stacking: E:F.9, E:F.9 Hydrogen bonds: A:H.167 Salt bridges: A:E.67, A:E.121 ZPC.2: 14 residues within 4Å: Chain A: F.9, Y.28, R.81, I.91, N.93, E.140 Chain B: E.67, E.121, P.122, F.123, Y.165, H.167, V.171, F.178 7 PLIP interactions: 4 interactions with chain B, 3 interactions with chain A Hydrogen bonds: B:Y.165, B:H.167 Salt bridges: B:E.67, B:E.121 Hydrophobic interactions: A:F.9 pi-Stacking: A:F.9, A:F.9 ZPC.3: 15 residues within 4Å: Chain B: F.9, V.30, R.81, I.91, N.93, E.140 Chain C: E.67, I.69, E.121, P.122, F.123, Y.165, H.167, V.171, F.178 10 PLIP interactions: 5 interactions with chain C, 5 interactions with chain B Hydrogen bonds: C:H.167 Salt bridges: C:E.67, C:E.121 pi-Stacking: C:Y.165, C:Y.165, B:F.9, B:F.9 Hydrophobic interactions: B:F.9, B:V.30, B:V.30 ZPC.4: 18 residues within 4Å: Chain C: F.9, Y.28, V.30, R.81, M.83, I.91, N.93, E.140 Chain D: E.67, I.69, E.121, P.122, F.123, Y.165, H.167, L.168, V.171, F.178 5 PLIP interactions: 2 interactions with chain D, 3 interactions with chain C Hydrogen bonds: D:H.167, C:R.81 Salt bridges: D:E.67 pi-Stacking: C:F.9, C:F.9 ZPC.5: 15 residues within 4Å: Chain D: F.9, Y.28, V.30, R.81, M.83, I.91, N.93, E.140 Chain E: E.121, P.122, F.123, Y.165, H.167, V.171, F.178 9 PLIP interactions: 3 interactions with chain E, 6 interactions with chain D Salt bridges: E:E.67, E:E.121 pi-Stacking: E:Y.165, D:F.9, D:F.9, D:Y.28 Hydrophobic interactions: D:V.30, D:V.30 Hydrogen bonds: D:R.81

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Spurny, R. et al., Pentameric Ligand-Gated Ion Channel Elic is Activated by Gaba and Modulated by Benzodiazepines. Proc.Natl.Acad.Sci.USA (2012)

Release Date

2012-10-17

Peptides

CYS-LOOP LIGAND-GATED ION CHANNEL: ABCDE

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

D
D

E
E

Membrane

We predict this structure to be a membrane protein.
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CYS-LOOP LIGAND-GATED ION CHANNEL

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