SMTL ID : 5u6p.1

Structure of the human HCN1 hyperpolarization-activated cyclic nucleotide-gated ion channel in complex with cAMP

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

hetero-4-4-mer

Ligands

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

CMP.1: 12 residues within 4Å: Chain A: M.530, F.538, G.539, E.540, I.541, C.542, R.549, T.550, A.551, V.553, R.590, R.593 8 PLIP interactions: 8 interactions with chain A Hydrogen bonds: A:G.539, A:E.540, A:I.541, A:C.542, A:T.550, A:R.590, A:R.590 Salt bridges: A:R.549 CMP.2: 12 residues within 4Å: Chain C: M.530, F.538, G.539, E.540, I.541, C.542, R.549, T.550, A.551, V.553, R.590, R.593 8 PLIP interactions: 8 interactions with chain C Hydrogen bonds: C:G.539, C:E.540, C:I.541, C:C.542, C:T.550, C:R.590, C:R.590 Salt bridges: C:R.549 CMP.3: 12 residues within 4Å: Chain E: M.530, F.538, G.539, E.540, I.541, C.542, R.549, T.550, A.551, V.553, R.590, R.593 8 PLIP interactions: 8 interactions with chain E Hydrogen bonds: E:G.539, E:E.540, E:I.541, E:C.542, E:T.550, E:R.590, E:R.590 Salt bridges: E:R.549 CMP.4: 12 residues within 4Å: Chain G: M.530, F.538, G.539, E.540, I.541, C.542, R.549, T.550, A.551, V.553, R.590, R.593 8 PLIP interactions: 8 interactions with chain G Hydrogen bonds: G:G.539, G:E.540, G:I.541, G:C.542, G:T.550, G:R.590, G:R.590 Salt bridges: G:R.549

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Lee, C.H. et al., Structures of the Human HCN1 Hyperpolarization-Activated Channel. Cell (2017)

Release Date

2017-01-25

Peptides

Potassium/sodium hyperpolarization-activated cyclic nucleotide-gated channel 11: ACEG
Potassium/sodium hyperpolarization-activated cyclic nucleotide-gated channel 11: BDFH

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

C
B

E
C

G
D

B
E

D
F

F
G

H
H

Membrane

We predict this structure to be a membrane protein.
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Potassium/sodium hyperpolarization-activated cyclic nucleotide-gated channel 11

Potassium/sodium hyperpolarization-activated cyclic nucleotide-gated channel 11

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