SMTL ID : 8xqp.1

Structure of human class T GPCR TAS2R14-Gustducin complex with Aristolochic acid A.

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

hetero-1-1-1-1-1-mer

Ligands

1 x GOQ: 8-methoxy-6-nitro-naphtho[1,2-e][1,3]benzodioxole-5-carboxylic acid(Non-covalent)

GOQ.1: 8 residues within 4Å: Chain D: A.600, Y.607, S.694, F.698, F.737, Y.772, H.776, L.780 6 PLIP interactions: 6 interactions with chain D Hydrophobic interactions: D:F.698, D:F.737 Hydrogen bonds: D:S.694, D:Y.772, D:Y.772, D:Y.772

1 x CLR: CHOLESTEROL(Non-covalent)

CLR.2: 9 residues within 4Å: Chain D: L.585, T.586, W.589, V.680, T.684, I.687, I.762, S.765, M.768 7 PLIP interactions: 7 interactions with chain D Hydrophobic interactions: D:L.585, D:W.589, D:W.589, D:V.680, D:T.684, D:I.687, D:I.762

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Hu, X. et al., Bitter taste TAS2R14 activation by intracellular tastants and cholesterol. Nature (2024)

Release Date

2024-07-10

Peptides

Guanine nucleotide-binding protein G(t) subunit alpha-3: 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
Exo-alpha-sialidase,Taste receptor type 2 member 14,LgBiT: D
scFv16: E

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

D
R

E
S

Membrane

We predict this structure to be a membrane protein.
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Guanine nucleotide-binding protein G(t) subunit alpha-3

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

Exo-alpha-sialidase,Taste receptor type 2 member 14,LgBiT

scFv16

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