SMTL ID : 7pbd.1

a1b3 GABA-A receptor + GABA

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

hetero-1-3-1-1-mer

Ligands

2 x NAG- NAG: 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose(Post Translational Modification)

NAG-NAG.1: 4 residues within 4Å: Chain B: P.78, L.79, N.80, H.119 No protein-ligand interaction detected (PLIP) NAG-NAG.4: 3 residues within 4Å: Chain C: L.79, N.80, H.119 No protein-ligand interaction detected (PLIP)

3 x NAG- NAG- BMA- MAN- MAN: alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose

NAG-NAG-BMA-MAN-MAN.2: 7 residues within 4Å: Chain B: N.149, E.190, R.192, S.195, R.196, S.211, R.213 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:R.192, B:R.192, B:R.196, B:S.195 NAG-NAG-BMA-MAN-MAN.3: 11 residues within 4Å: Chain C: N.149, E.190, R.192, V.194, S.195, R.196, S.211, R.213 Chain F: N.417, Y.418, D.500 3 PLIP interactions: 2 interactions with chain F, 1 interactions with chain C Hydrogen bonds: F:Y.418, F:Y.418, C:R.196 NAG-NAG-BMA-MAN-MAN.5: 9 residues within 4Å: Chain D: N.149, E.190, H.191, R.192, V.194, S.195, R.196, S.211, R.213 No protein-ligand interaction detected (PLIP)

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

ABU.6: 9 residues within 4Å: Chain A: F.64, R.66, T.129 Chain B: Y.97, E.155, S.156, Y.157, T.202, Y.205 6 PLIP interactions: 5 interactions with chain B, 1 interactions with chain A Hydrophobic interactions: B:T.202, B:Y.205 Hydrogen bonds: B:Y.97, B:E.155, B:Y.157 Salt bridges: A:R.66 ABU.10: 10 residues within 4Å: Chain D: Y.97, S.156, Y.157, F.200, T.202, Y.205 Chain E: F.118, R.120, L.171, T.183 6 PLIP interactions: 2 interactions with chain E, 4 interactions with chain D Hydrophobic interactions: E:L.171, D:F.200 Salt bridges: E:R.120 Hydrogen bonds: D:Y.97, D:S.156, D:T.202

3 x NAG: 2-acetamido-2-deoxy-beta-D-glucopyranose(Post Translational Modification)

NAG.7: 2 residues within 4Å: Chain A: N.110 Chain B: K.112 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:K.112 NAG.9: 2 residues within 4Å: Chain D: N.80, H.119 No protein-ligand interaction detected (PLIP) NAG.11: 3 residues within 4Å: Chain E: N.164, T.166, P.168 1 PLIP interactions: 1 interactions with chain E Hydrogen bonds: E:T.166

1 x HSM: HISTAMINE(Non-covalent)

HSM.8: 5 residues within 4Å: Chain B: D.43 Chain C: Y.97, Y.157, F.200, T.202 3 PLIP interactions: 2 interactions with chain C, 1 interactions with chain B Hydrogen bonds: C:Y.97, C:Y.97, B:D.43

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Kasaragod, V.B. et al., Mechanisms of inhibition and activation of extrasynaptic alpha beta GABA A receptors. Nature (2022)

Release Date

2022-02-09

Peptides

Gamma-aminobutyric acid receptor subunit alpha-1: A
Gamma-aminobutyric acid receptor subunit beta-3: BCD
Gamma-aminobutyric acid receptor subunit alpha-1: E
Megabody 25: F

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

D
E

E
D

F
F

Membrane

We predict this structure to be a membrane protein.
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Gamma-aminobutyric acid receptor subunit alpha-1

Gamma-aminobutyric acid receptor subunit beta-3

Gamma-aminobutyric acid receptor subunit alpha-1

Megabody 25

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