SMTL ID : 8y60.1

Structural mechanism of human HCN1 hyperpolarization-activated channel inhibition by ivabradine

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

homo-tetramer

Ligands

4 x CLR: CHOLESTEROL(Non-covalent)

CLR.1: 8 residues within 4Å: Chain A: I.278, E.282, L.291, A.292, V.295, V.296, F.299, N.300 5 PLIP interactions: 5 interactions with chain A Hydrophobic interactions: A:I.278, A:L.291, A:L.291, A:A.292, A:F.299 CLR.3: 8 residues within 4Å: Chain B: I.278, E.282, L.291, A.292, V.295, V.296, F.299, N.300 5 PLIP interactions: 5 interactions with chain B Hydrophobic interactions: B:I.278, B:L.291, B:L.291, B:A.292, B:F.299 CLR.5: 8 residues within 4Å: Chain C: I.278, E.282, L.291, A.292, V.295, V.296, F.299, N.300 5 PLIP interactions: 5 interactions with chain C Hydrophobic interactions: C:I.278, C:L.291, C:L.291, C:A.292, C:F.299 CLR.7: 8 residues within 4Å: Chain D: I.278, E.282, L.291, A.292, V.295, V.296, F.299, N.300 5 PLIP interactions: 5 interactions with chain D Hydrophobic interactions: D:I.278, D:L.291, D:L.291, D:A.292, D:F.299

4 x VNZ: Ivabradine(Non-covalent)

VNZ.2: 9 residues within 4Å: Chain A: N.107, Y.138, D.140, F.143, L.147, W.281, I.284, F.285, Y.289 5 PLIP interactions: 5 interactions with chain A Hydrophobic interactions: A:F.143, A:F.143, A:F.285 Hydrogen bonds: A:Y.289 pi-Stacking: A:F.143 VNZ.4: 9 residues within 4Å: Chain B: N.107, Y.138, D.140, F.143, L.147, W.281, I.284, F.285, Y.289 5 PLIP interactions: 5 interactions with chain B Hydrophobic interactions: B:F.143, B:F.143, B:F.285 Hydrogen bonds: B:Y.289 pi-Stacking: B:F.143 VNZ.6: 9 residues within 4Å: Chain C: N.107, Y.138, D.140, F.143, L.147, W.281, I.284, F.285, Y.289 5 PLIP interactions: 5 interactions with chain C Hydrophobic interactions: C:F.143, C:F.143, C:F.285 Hydrogen bonds: C:Y.289 pi-Stacking: C:F.143 VNZ.8: 9 residues within 4Å: Chain D: N.107, Y.138, D.140, F.143, L.147, W.281, I.284, F.285, Y.289 5 PLIP interactions: 5 interactions with chain D Hydrophobic interactions: D:F.143, D:F.143, D:F.285 Hydrogen bonds: D:Y.289 pi-Stacking: D:F.143

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Che, T. et al., Structural mechanism of human HCN1 hyperpolarization-activated channel inhibition by ivabradine. J.Biol.Chem. (2024)

Release Date

2025-10-29

Peptides

Potassium/sodium hyperpolarization-activated cyclic nucleotide-gated channel 1: 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 1