SMTL ID : 5sxv.2 (1 other biounit)

X-ray structure of 2-bromoethanol bound to a pentameric ligand gated ion channel (ELIC) in a resting state

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 3.40 Å

Oligo State

homo-pentamer

Ligands

16 x BRJ: 2-BROMOETHANOL(Non-covalent)

BRJ.1: 5 residues within 4Å: Chain A: A.41, V.73, P.74, L.76, Y.102 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:L.76 BRJ.2: 4 residues within 4Å: Chain A: L.76, F.78, T.87, F.106 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:T.87 BRJ.3: 6 residues within 4Å: Chain A: I.20, N.21, K.22, E.150, I.152, I.162 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:E.150, A:E.150 BRJ.5: 2 residues within 4Å: Chain B: T.237 Chain C: T.237 No protein-ligand interaction detected (PLIP) BRJ.6: 6 residues within 4Å: Chain B: A.41, V.73, P.74, L.76, Y.102 Ligands: BRJ.7 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:L.76 BRJ.7: 6 residues within 4Å: Chain B: L.76, F.78, T.87, Y.102, F.106 Ligands: BRJ.6 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:Y.102 BRJ.8: 6 residues within 4Å: Chain B: I.20, N.21, K.22, I.23, E.150, I.152 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:E.150, B:E.150 BRJ.10: 6 residues within 4Å: Chain C: A.41, V.73, P.74, L.76, Y.102 Ligands: BRJ.11 1 PLIP interactions: 1 interactions with chain C Hydrogen bonds: C:L.76 BRJ.11: 6 residues within 4Å: Chain C: L.76, F.78, P.85, T.87, F.106 Ligands: BRJ.10 No protein-ligand interaction detected (PLIP) BRJ.12: 6 residues within 4Å: Chain C: I.20, N.21, I.23, T.149, E.150, I.152 2 PLIP interactions: 2 interactions with chain C Hydrogen bonds: C:E.150, C:E.150 BRJ.14: 6 residues within 4Å: Chain D: I.39, A.41, P.74, A.75, L.76, Y.102 1 PLIP interactions: 1 interactions with chain D Hydrogen bonds: D:P.74 BRJ.15: 4 residues within 4Å: Chain D: F.78, P.85, T.87, F.106 No protein-ligand interaction detected (PLIP) BRJ.16: 4 residues within 4Å: Chain D: I.20, N.21, K.22, E.150 2 PLIP interactions: 2 interactions with chain D Hydrogen bonds: D:I.20, D:E.150 BRJ.18: 5 residues within 4Å: Chain E: A.41, P.74, A.75, L.76, Y.102 1 PLIP interactions: 1 interactions with chain E Hydrogen bonds: E:L.76 BRJ.19: 4 residues within 4Å: Chain E: L.76, F.78, T.87, F.106 1 PLIP interactions: 1 interactions with chain E Hydrogen bonds: E:T.87 BRJ.20: 4 residues within 4Å: Chain E: I.20, N.21, K.22, E.150 1 PLIP interactions: 1 interactions with chain E Hydrogen bonds: E:N.21

5 x MES: 2-(N-MORPHOLINO)-ETHANESULFONIC ACID(Non-covalent)

MES.4: 4 residues within 4Å: Chain A: W.206 Chain B: T.259, Q.264, I.317 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:T.259 MES.9: 3 residues within 4Å: Chain B: S.202, W.206 Chain C: T.259 2 PLIP interactions: 2 interactions with chain C Hydrogen bonds: C:T.259, C:Q.264 MES.13: 3 residues within 4Å: Chain C: W.206 Chain D: T.259, Q.264 No protein-ligand interaction detected (PLIP) MES.17: 3 residues within 4Å: Chain D: W.206 Chain E: T.259, Q.264 2 PLIP interactions: 1 interactions with chain E, 1 interactions with chain D Hydrogen bonds: E:Q.264, D:W.206 MES.21: 6 residues within 4Å: Chain A: T.259, Q.264, I.317 Chain E: E.156, S.202, W.206 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:T.259, A:Q.264

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Chen, Q. et al., Structural Basis of Alcohol Inhibition of the Pentameric Ligand-Gated Ion Channel ELIC. Structure (2017)

Release Date

2017-06-21

Peptides

Cys-loop ligand-gated ion channel: 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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Cys-loop ligand-gated ion channel

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