SMTL ID : 8eva.1

Cryo-EM structure of cGMP bound truncated human CNGA3/CNGB3 channel in lipid nanodisc, transition state 2

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: 4 residues within 4Å: Chain A: F.188, G.189, N.197, S.199 No protein-ligand interaction detected (PLIP) NAG.3: 3 residues within 4Å: Chain B: F.188, N.197, S.199 No protein-ligand interaction detected (PLIP) NAG.5: 4 residues within 4Å: Chain C: F.188, G.189, N.197, S.199 1 PLIP interactions: 1 interactions with chain C Hydrogen bonds: C:N.197

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

PCG.2: 11 residues within 4Å: Chain A: C.368, F.405, G.406, E.407, I.408, S.409, R.421, R.422, T.423, A.424, I.426 8 PLIP interactions: 8 interactions with chain A Hydrogen bonds: A:G.406, A:E.407, A:S.409, A:R.421, A:T.423, A:T.423, A:T.423 Salt bridges: A:R.422 PCG.4: 12 residues within 4Å: Chain B: C.368, L.399, F.405, G.406, E.407, I.408, S.409, R.421, R.422, T.423, A.424, I.426 9 PLIP interactions: 9 interactions with chain B Hydrogen bonds: B:G.406, B:E.407, B:E.407, B:S.409, B:R.422, B:T.423, B:T.423 Salt bridges: B:R.422, B:D.467 PCG.6: 9 residues within 4Å: Chain C: C.368, F.405, G.406, E.407, S.409, R.422, T.423, A.424, I.426 7 PLIP interactions: 7 interactions with chain C Hydrogen bonds: C:G.406, C:E.407, C:I.408, C:T.423, C:T.423, C:T.423 Salt bridges: C:R.422 PCG.7: 9 residues within 4Å: Chain D: V.513, F.521, G.522, E.523, I.524, R.535, T.536, A.537, V.539 6 PLIP interactions: 6 interactions with chain D Hydrogen bonds: D:G.522, D:E.523, D:T.536, D:T.536, D:T.536 Salt bridges: D:R.535

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

2023-08-09

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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