SMTL ID : 8hoc.1

Cryo-EM structure of ligand histamine-bound Histamine H4 receptor Gi complex

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

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

Ligands

1 x ITF: 2-(1~{H}-imidazol-5-yl)ethyl carbamimidothioate(Non-covalent)

ITF.1: 9 residues within 4Å: Chain D: D.253, Y.254, C.257, E.341, W.475, Y.478, F.503, Q.506, W.507 4 PLIP interactions: 4 interactions with chain D Hydrophobic interactions: D:Y.254 Hydrogen bonds: D:E.341, D:E.341, D:W.507

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Sun, X.Y. et al., Structure insights into Histamine H4 receptor activation by an endogenous ligand histamine and agonist imetit. To Be Published

Release Date

2023-12-20

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
Soluble cytochrome b562, Histamine H4 receptor fusion: D
Single-chain variable fragment scFv16: E

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
G

D
R

E
S

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

Soluble cytochrome b562, Histamine H4 receptor fusion

Single-chain variable fragment scFv16

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