SMTL ID : 8t3q.1

Cryo-EM structure of the DHA bound FFA4-Gq complex

Coordinates

PDB Format

Method

ELECTRON MICROSCOPY

Oligo State

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

Ligands

1 x HXA: DOCOSA-4,7,10,13,16,19-HEXAENOIC ACID(Non-covalent)

HXA.1: 16 residues within 4Å: Chain E: R.1, M.97, T.98, G.101, S.102, I.105, L.152, L.175, E.183, D.187, F.190, W.256, I.259, I.263, I.266, N.270 12 PLIP interactions: 12 interactions with chain E Hydrophobic interactions: E:T.98, E:I.105, E:L.152, E:L.152, E:L.175, E:F.190, E:I.259, E:I.263, E:I.263, E:I.266, E:I.266 Salt bridges: E:R.1

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Zhang, X. et al., Structural basis for the ligand recognition and signaling of free fatty acid receptors. Sci Adv (2024)

Release Date

2024-01-24

Peptides

Guanine nucleotide-binding protein G(q): A
Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1: B
scFv16: C
Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2: D
Free fatty acid receptor 4: E

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
N

D
G

E
R

Membrane

We predict this structure to be a membrane protein.
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Guanine nucleotide-binding protein G(q)

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

scFv16

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

Free fatty acid receptor 4

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