SMTL ID : 6w2x.1

CryoEM Structure of Inactive GABAB Heterodimer

Coordinates

PDB Format

Method

ELECTRON MICROSCOPY

Oligo State

hetero-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: 2 residues within 4Å: Chain A: R.298, N.302 No protein-ligand interaction detected (PLIP) NAG-NAG.2: 2 residues within 4Å: Chain B: N.368, N.371 No protein-ligand interaction detected (PLIP)

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

NAG.3: 2 residues within 4Å: Chain A: Y.372, N.376 No protein-ligand interaction detected (PLIP) NAG.4: 2 residues within 4Å: Chain A: D.66, N.344 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:D.66, A:N.344

2 x L9Q: (1S)-2-{[(S)-(2-aminoethoxy)(hydroxy)phosphoryl]oxy}-1-[(octadecanoyloxy)methyl]ethyl (9Z)-octadec-9-enoate(Non-covalent)

L9Q.5: 12 residues within 4Å: Chain A: L.509, R.528, L.529, G.533, F.536, H.622, C.623, F.635, Y.636, C.678, T.681, S.706 5 PLIP interactions: 5 interactions with chain A Hydrophobic interactions: A:L.529, A:F.536, A:F.635 Hydrogen bonds: A:R.528, A:C.623 L9Q.8: 14 residues within 4Å: Chain B: R.523, T.524, T.528, H.614, C.615, Y.628, K.631, M.635, C.670, G.673, S.677, Q.687, I.695, C.698 7 PLIP interactions: 7 interactions with chain B Hydrophobic interactions: B:I.695 Hydrogen bonds: B:R.523, B:C.615, B:Y.628, B:S.677 Salt bridges: B:R.523, B:H.614

1 x SGG: [(2~{S})-3-[[(1~{S})-1-(3,4-dichlorophenyl)ethyl]amino]-2-oxidanyl-propyl]-(phenylmethyl)phosphinic acid(Non-covalent)

SGG.6: 9 residues within 4Å: Chain A: G.43, W.44, S.109, G.130, S.132, H.149, W.257, Q.327, E.328 9 PLIP interactions: 9 interactions with chain A Hydrogen bonds: A:S.109, A:S.109, A:S.132, A:S.132, A:H.149, A:E.328 pi-Stacking: A:W.44, A:W.257, A:W.257

1 x MG: MAGNESIUM ION(Non-covalent)

MG.7: 3 residues within 4Å: Chain A: G.256, Y.258, E.288 1 PLIP interactions: 1 interactions with chain A Metal complexes: A:G.256

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Papasergi-Scott, M.M. et al., Structures of metabotropic GABABreceptor. Nature (2020)

Release Date

2020-07-01

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

Membrane

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

Gamma-aminobutyric acid type B receptor subunit 2

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