SMTL ID : 7rhj.1

Cryo-EM structure of human rod CNGA1/B1 channel in L-cis-Diltiazem-blocked open 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: 11 residues within 4Å: Chain A: V.396, F.414, G.415, E.416, I.417, S.418, R.431, T.432, A.433, I.435, I.472 10 PLIP interactions: 10 interactions with chain A Hydrogen bonds: A:G.415, A:E.416, A:E.416, A:I.417, A:S.418, 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.568, L.578, V.579, F.587, G.588, I.590, R.601, T.602, A.603, V.605 6 PLIP interactions: 6 interactions with chain B Hydrogen bonds: B:G.588, B:E.589, B:T.602, B:T.602, B:T.602 Salt bridges: B:R.601 PCG.3: 10 residues within 4Å: Chain C: F.414, G.415, E.416, I.417, S.418, R.431, T.432, A.433, I.435, I.472 8 PLIP interactions: 8 interactions with chain C Hydrogen bonds: C:G.415, C:E.416, C:I.417, C:S.418, C:R.431, C:T.432, C:T.432, C:T.432 PCG.5: 10 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 9 PLIP interactions: 9 interactions with chain D Hydrogen bonds: D:G.415, D:E.416, D:I.417, D:S.418, D:T.432, D:T.432, D:T.432, D:A.433 Salt bridges: D:R.431

1 x 5H0: (2R,3R)-5-[2-(dimethylamino)ethyl]-2-(4-methoxyphenyl)-4-oxo-2,3,4,5-tetrahydro-1,5-benzothiazepin-3-yl acetate(Non-covalent)

5H0.4: 23 residues within 4Å: Chain A: L.230, T.231, T.232, G.255, F.259, A.260, V.263 Chain B: T.404, F.431, I.435 Chain C: T.231, T.232, V.256, F.259 Chain D: L.230, T.231, T.232, I.233, G.255, V.256, F.259, A.260, V.263 10 PLIP interactions: 3 interactions with chain C, 4 interactions with chain D, 1 interactions with chain B, 2 interactions with chain A Hydrophobic interactions: C:V.256, C:F.259, D:T.231, D:V.256, D:F.259, D:V.263, B:I.435, A:A.260, A:V.263 Hydrogen bonds: C:T.232

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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