SMTL ID : 9ij9.1

A Cryo-EM structure of Bitter taste receptor TAS2R14 with Gi complex

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

hetero-1-1-1-1-mer

Ligands

1 x 01: 4-methyl-N-[(2M)-2-(1H-tetrazol-5-yl)phenyl]-6-(trifluoromethyl)pyrimidin-2-amine

01.1: 14 residues within 4Å: Chain A: L.353 Chain D: A.100, G.104, Y.107, S.194, M.197, F.198, L.201, G.229, S.232, V.233, F.236, Y.240, H.276 10 PLIP interactions: 9 interactions with chain D, 1 interactions with chain A Hydrophobic interactions: D:M.197, D:F.198, D:L.201, A:L.353 Hydrogen bonds: D:S.194, D:Y.240, D:Y.240 pi-Stacking: D:Y.107, D:F.236 Halogen bonds: D:G.229

1 x CLR: CHOLESTEROL(Non-covalent)

CLR.2: 16 residues within 4Å: Chain D: S.65, F.76, F.82, T.86, W.89, R.174, V.180, T.184, I.187, F.247, S.250, I.262, S.265, Q.266, M.268, G.269 11 PLIP interactions: 11 interactions with chain D Hydrophobic interactions: D:F.76, D:W.89, D:W.89, D:V.180, D:V.180, D:T.184, D:F.247, D:I.262, D:Q.266 Hydrogen bonds: D:R.174, D:R.174

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Tao, L. et al., Bitter taste receptor TAS2R14 activation and G protein assembly by an intracellular agonist. Cell Res. (2024)

Release Date

2024-07-24

Peptides

Guanine nucleotide-binding protein G(i) subunit alpha-1: A
Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1: B
Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2: C
Taste receptor type 2 member 14: D

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

D
R

Membrane

We predict this structure to be a membrane protein.
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Guanine nucleotide-binding protein G(i) subunit alpha-1

Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1

Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2

Taste receptor type 2 member 14

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