SMTL ID : 7rhi.1

Cryo-EM structure of human rod CNGA1/B1 channel in cGMP-bound openII state

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

hetero-3-1-mer

Ligands

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

PCG.1: 12 residues within 4Å: Chain A: C.377, F.414, G.415, E.416, I.417, S.418, R.430, R.431, T.432, A.433, I.435, I.472 12 PLIP interactions: 12 interactions with chain A Hydrogen bonds: A:G.415, A:E.416, A:E.416, A:I.417, A:S.418, A:S.418, A:T.432, A:T.432, A:T.432, A:T.432, A:A.433 Salt bridges: A:R.431 PCG.2: 10 residues within 4Å: Chain B: V.579, F.587, G.588, E.589, I.590, S.591, R.601, T.602, A.603, M.642 10 PLIP interactions: 10 interactions with chain B Hydrogen bonds: B:G.588, B:E.589, B:E.589, B:I.590, B:S.591, B:S.591, B:T.602, B:T.602, B:T.602 Salt bridges: B:R.601 PCG.3: 10 residues within 4Å: Chain C: C.377, F.414, G.415, E.416, I.417, S.418, R.431, T.432, A.433, I.435 11 PLIP interactions: 11 interactions with chain C Hydrogen bonds: C:G.415, C:E.416, C:E.416, C:I.417, C:S.418, C:S.418, C:T.432, C:T.432, C:T.432, C:T.432 Salt bridges: C:R.431 PCG.4: 11 residues within 4Å: Chain D: F.414, G.415, E.416, I.417, S.418, R.431, T.432, A.433, I.435, I.472, K.475 8 PLIP interactions: 8 interactions with chain D Hydrogen bonds: D:G.415, D:E.416, D:T.432, D:T.432, D:T.432, D:A.433, D:K.475 Salt bridges: D:R.431

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Xue, J. et al., Structural mechanisms of assembly, permeation, gating, and pharmacology of native human rod CNG channel. Neuron (2022)

Release Date

2021-11-03

Peptides

cGMP-gated cation channel alpha-1: ACD
Cyclic nucleotide-gated cation channel beta-1: B

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

C
C

D
D

B
B

Membrane

We predict this structure to be a membrane protein.
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cGMP-gated cation channel alpha-1

Cyclic nucleotide-gated cation channel beta-1

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