SMTL ID : 8eu3.1

Cryo-EM structure of cGMP bound human CNGA3/CNGB3 channel in GDN, transition state 1

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

hetero-3-1-mer

Ligands

3 x NAG: 2-acetamido-2-deoxy-beta-D-glucopyranose(Post Translational Modification)

NAG.1: 3 residues within 4Å: Chain A: F.330, N.339, S.341 No protein-ligand interaction detected (PLIP) NAG.3: 2 residues within 4Å: Chain B: F.330, N.339 No protein-ligand interaction detected (PLIP) NAG.5: 5 residues within 4Å: Chain C: F.330, G.331, T.332, N.339, S.341 1 PLIP interactions: 1 interactions with chain C Hydrogen bonds: C:S.341

4 x PCG: CYCLIC GUANOSINE MONOPHOSPHATE(Non-covalent)

PCG.2: 10 residues within 4Å: Chain A: F.547, G.548, E.549, I.550, S.551, R.563, R.564, T.565, A.566, I.568 6 PLIP interactions: 6 interactions with chain A Hydrogen bonds: A:G.548, A:E.549, A:I.550, A:T.565, A:T.565 Salt bridges: A:R.564 PCG.4: 9 residues within 4Å: Chain B: V.539, F.547, G.548, E.549, I.550, R.563, R.564, T.565, I.568 5 PLIP interactions: 5 interactions with chain B Hydrogen bonds: B:G.548, B:E.549, B:T.565, B:T.565 Salt bridges: B:R.564 PCG.6: 6 residues within 4Å: Chain C: F.547, G.548, R.564, T.565, A.566, I.568 5 PLIP interactions: 5 interactions with chain C Hydrogen bonds: C:G.548, C:T.565, C:T.565, C:T.565 Salt bridges: C:R.564 PCG.7: 9 residues within 4Å: Chain D: L.581, V.582, F.590, G.591, I.593, R.603, R.604, T.605, A.606 5 PLIP interactions: 5 interactions with chain D Hydrogen bonds: D:G.591, D:T.605, D:T.605, D:T.605 Salt bridges: D:R.604

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Hu, Z. et al., Conformational trajectory of allosteric gating of the human cone photoreceptor cyclic nucleotide-gated channel. Nat Commun (2023)

Release Date

2023-08-02

Peptides

Cyclic nucleotide-gated cation channel alpha-3: ABC
Cyclic nucleotide-gated cation channel beta-3: D

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

D
D

Membrane

We predict this structure to be a membrane protein.
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Cyclic nucleotide-gated cation channel alpha-3

Cyclic nucleotide-gated cation channel beta-3

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