SMTL ID : 8hk2.1

C3aR-Gi-C3a protein complex

Coordinates

PDB Format

Method

ELECTRON MICROSCOPY

Oligo State

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

Ligands

5 x CLR: CHOLESTEROL(Non-covalent)

CLR.1: 6 residues within 4Å: Chain A: H.63, L.66, L.70, C.140, G.144, W.147 3 PLIP interactions: 3 interactions with chain A Hydrophobic interactions: A:L.66, A:L.70, A:W.147 CLR.2: 4 residues within 4Å: Chain A: A.335, T.339, V.342, L.347 3 PLIP interactions: 3 interactions with chain A Hydrophobic interactions: A:A.335, A:V.342, A:L.347 CLR.3: 4 residues within 4Å: Chain A: F.77, L.84, P.89, Y.90 3 PLIP interactions: 3 interactions with chain A Hydrophobic interactions: A:F.77, A:L.84, A:P.89 CLR.4: 6 residues within 4Å: Chain A: L.118, L.122, K.126, W.129, I.351 Ligands: PLM.7 6 PLIP interactions: 6 interactions with chain A Hydrophobic interactions: A:L.118, A:K.126, A:W.129, A:W.129, A:W.129, A:I.351 CLR.5: 7 residues within 4Å: Chain A: L.35, L.36, P.39, L.43, F.433, R.443, R.447 6 PLIP interactions: 6 interactions with chain A Hydrophobic interactions: A:L.36, A:P.39, A:L.43, A:F.433, A:R.447, A:R.447

2 x PLM: PALMITIC ACID(Non-covalent)

PLM.6: 5 residues within 4Å: Chain A: F.111, C.145, I.146, V.343, L.347 4 PLIP interactions: 4 interactions with chain A Hydrophobic interactions: A:F.111, A:F.111, A:I.146, A:L.347 PLM.7: 6 residues within 4Å: Chain A: F.125, L.347, I.351, F.358, R.362 Ligands: CLR.4 5 PLIP interactions: 5 interactions with chain A Hydrophobic interactions: A:F.125, A:L.347, A:I.351, A:F.358 Hydrogen bonds: A:R.362

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Wang, Y. et al., Revealing the signaling of complement receptors C3aR and C5aR1 by anaphylatoxins. Nat.Chem.Biol. (2023)

Release Date

2023-05-10

Peptides

C3a anaphylatoxin chemotactic receptor: A
Guanine nucleotide-binding protein G(i) subunit alpha-1: B
Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1: C
C3a anaphylatoxin: D
Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2: E
scFV16: F

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

D
D

E
G

F
H

Membrane

We predict this structure to be a membrane protein.
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C3a anaphylatoxin chemotactic receptor

Guanine nucleotide-binding protein G(i) subunit alpha-1

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

C3a anaphylatoxin

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

scFV16

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