SMTL ID : 9egm.1

Human BEST1 bound to GABA in an open state

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

homo-pentamer

Ligands

5 x CL: CHLORIDE ION(Non-functional Binders)

CL.1: 2 residues within 4Å: Chain A: R.217, T.218 Ligand excluded by PLIP CL.5: 2 residues within 4Å: Chain B: R.217, T.218 Ligand excluded by PLIP CL.8: 2 residues within 4Å: Chain C: R.217, T.218 Ligand excluded by PLIP CL.11: 2 residues within 4Å: Chain D: R.217, T.218 Ligand excluded by PLIP CL.15: 2 residues within 4Å: Chain E: R.217, T.218 Ligand excluded by PLIP

5 x CA: CALCIUM ION(Non-covalent)

CA.2: 5 residues within 4Å: Chain A: Q.292, N.295, D.300, D.303 Chain B: A.9 5 PLIP interactions: 3 interactions with chain A, 1 interactions with chain B, 1 Ligand-Water interactions Metal complexes: A:N.295, A:D.300, A:D.303, B:A.9, H2O.1 CA.6: 5 residues within 4Å: Chain B: Q.292, N.295, D.300, D.303 Chain C: A.9 5 PLIP interactions: 3 interactions with chain B, 1 interactions with chain C, 1 Ligand-Water interactions Metal complexes: B:N.295, B:D.300, B:D.303, C:A.9, H2O.3 CA.9: 5 residues within 4Å: Chain C: Q.292, N.295, D.300, D.303 Chain D: A.9 5 PLIP interactions: 3 interactions with chain C, 1 interactions with chain D, 1 Ligand-Water interactions Metal complexes: C:N.295, C:D.300, C:D.303, D:A.9, H2O.6 CA.12: 5 residues within 4Å: Chain D: Q.292, N.295, D.300, D.303 Chain E: A.9 5 PLIP interactions: 1 interactions with chain E, 3 interactions with chain D, 1 Ligand-Water interactions Metal complexes: E:A.9, D:N.295, D:D.300, D:D.303, H2O.8 CA.13: 5 residues within 4Å: Chain A: A.9 Chain E: Q.292, N.295, D.300, D.303 5 PLIP interactions: 3 interactions with chain E, 1 interactions with chain A, 1 Ligand-Water interactions Metal complexes: E:N.295, E:D.300, E:D.303, A:A.9, H2O.11

5 x ABU: GAMMA-AMINO-BUTANOIC ACID(Non-covalent)

ABU.3: 11 residues within 4Å: Chain A: R.254, Q.255, F.256, H.266, P.273, V.274, F.275, T.276 Chain E: Y.67, Y.71, L.74 7 PLIP interactions: 2 interactions with chain E, 5 interactions with chain A Hydrophobic interactions: E:Y.71, A:F.256 Hydrogen bonds: E:Y.67, A:R.254, A:F.275, A:T.276 Water bridges: A:H.266 ABU.4: 11 residues within 4Å: Chain A: Y.67, Y.71, L.74 Chain B: R.254, Q.255, F.256, H.266, P.273, V.274, F.275, T.276 7 PLIP interactions: 5 interactions with chain B, 2 interactions with chain A Hydrophobic interactions: B:F.256, A:Y.71 Hydrogen bonds: B:R.254, B:F.275, B:T.276, A:Y.67 Water bridges: B:H.266 ABU.7: 11 residues within 4Å: Chain B: Y.67, Y.71, L.74 Chain C: R.254, Q.255, F.256, H.266, P.273, V.274, F.275, T.276 7 PLIP interactions: 5 interactions with chain C, 2 interactions with chain B Hydrophobic interactions: C:F.256, B:Y.71 Hydrogen bonds: C:R.254, C:F.275, C:T.276, B:Y.67 Water bridges: C:H.266 ABU.10: 11 residues within 4Å: Chain C: Y.67, Y.71, L.74 Chain D: R.254, Q.255, F.256, H.266, P.273, V.274, F.275, T.276 7 PLIP interactions: 5 interactions with chain D, 2 interactions with chain C Hydrophobic interactions: D:F.256, C:Y.71 Hydrogen bonds: D:R.254, D:F.275, D:T.276, C:Y.67 Water bridges: D:H.266 ABU.14: 11 residues within 4Å: Chain D: Y.67, Y.71, L.74 Chain E: R.254, Q.255, F.256, H.266, P.273, V.274, F.275, T.276 7 PLIP interactions: 2 interactions with chain D, 5 interactions with chain E Hydrophobic interactions: D:Y.71, E:F.256 Hydrogen bonds: D:Y.67, E:R.254, E:F.275, E:T.276 Water bridges: E:H.266

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Pant, S. et al., The pentameric chloride channel BEST1 is activated by extracellular GABA. To Be Published

Release Date

2025-04-09

Peptides

Bestrophin-1: 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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Bestrophin-1

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