SMTL ID : 6uqf.1

Human HCN1 channel in a hyperpolarized conformation

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

homo-tetramer

Ligands

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

CMP.1: 14 residues within 4Å: Chain A: M.530, L.532, F.538, G.539, E.540, I.541, C.542, R.549, T.550, A.551, R.590, R.593, I.594, V.633 11 PLIP interactions: 11 interactions with chain A Hydrogen bonds: A:G.539, A:E.540, A:E.540, A:I.541, A:C.542, A:T.550, A:A.551, A:R.590, A:R.590, A:R.593 Salt bridges: A:R.549 CMP.3: 14 residues within 4Å: Chain B: M.530, L.532, F.538, G.539, E.540, I.541, C.542, R.549, T.550, A.551, R.590, R.593, I.594, V.633 11 PLIP interactions: 11 interactions with chain B Hydrogen bonds: B:G.539, B:E.540, B:E.540, B:I.541, B:C.542, B:T.550, B:A.551, B:R.590, B:R.590, B:R.593 Salt bridges: B:R.549 CMP.5: 14 residues within 4Å: Chain C: M.530, L.532, F.538, G.539, E.540, I.541, C.542, R.549, T.550, A.551, R.590, R.593, I.594, V.633 11 PLIP interactions: 11 interactions with chain C Hydrogen bonds: C:G.539, C:E.540, C:E.540, C:I.541, C:C.542, C:T.550, C:A.551, C:R.590, C:R.590, C:R.593 Salt bridges: C:R.549 CMP.7: 14 residues within 4Å: Chain D: M.530, L.532, F.538, G.539, E.540, I.541, C.542, R.549, T.550, A.551, R.590, R.593, I.594, V.633 11 PLIP interactions: 11 interactions with chain D Hydrogen bonds: D:G.539, D:E.540, D:E.540, D:I.541, D:C.542, D:T.550, D:A.551, D:R.590, D:R.590, D:R.593 Salt bridges: D:R.549

4 x HG: MERCURY (II) ION(Non-covalent)

HG.2: 3 residues within 4Å: Chain A: C.186, C.264, R.267 2 PLIP interactions: 2 interactions with chain A Metal complexes: A:C.186, A:C.264 HG.4: 3 residues within 4Å: Chain B: C.186, C.264, R.267 2 PLIP interactions: 2 interactions with chain B Metal complexes: B:C.186, B:C.264 HG.6: 3 residues within 4Å: Chain C: C.186, C.264, R.267 2 PLIP interactions: 2 interactions with chain C Metal complexes: C:C.186, C:C.264 HG.8: 3 residues within 4Å: Chain D: C.186, C.264, R.267 2 PLIP interactions: 2 interactions with chain D Metal complexes: D:C.186, D:C.264

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Lee, C.H. et al., Voltage Sensor Movements during Hyperpolarization in the HCN Channel. Cell (2019)

Release Date

2019-12-11

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