SMTL ID : 4mr7.1

Crystal structure of the extracellular domain of human GABA(B) receptor bound to the antagonist CGP54626

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.15 Å

Oligo State

hetero-1-1-mer

Ligands

1 x NAG- NAG- MAN- MAN- MAN- FUC: alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]alpha-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose(Non-covalent)

NAG-NAG-MAN-MAN-MAN-FUC.1: 4 residues within 4Å: Chain A: R.272, N.276, E.281, K.285 No protein-ligand interaction detected (PLIP)

1 x NAG- NAG- MAN- FUC: alpha-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose(Post Translational Modification)

NAG-NAG-MAN-FUC.2: 6 residues within 4Å: Chain B: N.360, N.363, E.364, T.365, N.366, V.375 3 PLIP interactions: 3 interactions with chain B Hydrophobic interactions: B:N.366, B:V.375 Hydrogen bonds: B:N.366

1 x 2BV: (R)-(cyclohexylmethyl)[(2S)-3-{[(1S)-1-(3,4-dichlorophenyl)ethyl]amino}-2-hydroxypropyl]phosphinic acid(Non-covalent)

2BV.3: 12 residues within 4Å: Chain A: G.17, W.18, C.82, S.83, G.104, S.105, S.106, H.123, W.231, M.265, Q.301, E.302 10 PLIP interactions: 10 interactions with chain A Hydrophobic interactions: A:W.231, A:W.231 Hydrogen bonds: A:S.83, A:S.83, A:S.106, A:S.106, A:E.302, A:E.302 Water bridges: A:S.83, A:S.84

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

NAG.4: 4 residues within 4Å: Chain A: D.40, I.41, L.315, N.318 2 PLIP interactions: 2 interactions with chain A Hydrophobic interactions: A:I.41 Hydrogen bonds: A:D.40

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Geng, Y. et al., Structural mechanism of ligand activation in human GABA(B) receptor. Nature (2013)

Release Date

2013-12-11

Peptides

Gamma-aminobutyric acid type B receptor subunit 1: A
Gamma-aminobutyric acid type B receptor subunit 2: B

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Gamma-aminobutyric acid type B receptor subunit 1

Gamma-aminobutyric acid type B receptor subunit 2

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