SMTL ID : 8io0.1

Cryo-EM structure of human HCN3 channel with cAMP

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

homo-tetramer

Ligands

4 x CMP: ADENOSINE-3',5'-CYCLIC-MONOPHOSPHATE(Non-covalent)

CMP.1: 11 residues within 4Å: Chain A: V.456, V.475, G.492, E.493, I.494, C.495, R.502, T.503, A.504, R.543, R.546 8 PLIP interactions: 8 interactions with chain A Hydrogen bonds: A:I.494, A:C.495, A:T.503, A:T.503, A:A.504, A:R.543 pi-Cation interactions: A:R.543, A:R.543 CMP.2: 11 residues within 4Å: Chain B: V.456, V.475, G.492, E.493, I.494, C.495, R.502, T.503, A.504, R.543, R.546 8 PLIP interactions: 8 interactions with chain B Hydrogen bonds: B:I.494, B:C.495, B:T.503, B:T.503, B:A.504, B:R.543 pi-Cation interactions: B:R.543, B:R.543 CMP.3: 11 residues within 4Å: Chain C: V.456, V.475, G.492, E.493, I.494, C.495, R.502, T.503, A.504, R.543, R.546 8 PLIP interactions: 8 interactions with chain C Hydrogen bonds: C:I.494, C:C.495, C:T.503, C:T.503, C:A.504, C:R.543 pi-Cation interactions: C:R.543, C:R.543 CMP.4: 11 residues within 4Å: Chain D: V.456, V.475, G.492, E.493, I.494, C.495, R.502, T.503, A.504, R.543, R.546 8 PLIP interactions: 8 interactions with chain D Hydrogen bonds: D:I.494, D:C.495, D:T.503, D:T.503, D:A.504, D:R.543 pi-Cation interactions: D:R.543, D:R.543

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Yu, B. et al., Cryo-EM structure of human HCN3 channel and its regulation by cAMP. J.Biol.Chem. (2024)

Release Date

2024-11-13

Peptides

Potassium/sodium hyperpolarization-activated cyclic nucleotide-gated channel 3: ABCD

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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Potassium/sodium hyperpolarization-activated cyclic nucleotide-gated channel 3

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