SMTL ID : 1q3e.2 (2 other biounits)

HCN2J 443-645 in the presence of cGMP

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.90 Å

Oligo State

homo-tetramer

Ligands

4 x PCG: CYCLIC GUANOSINE MONOPHOSPHATE(Non-covalent)

PCG.1: 13 residues within 4Å: Chain A: I.107, V.126, M.134, F.142, G.143, E.144, I.145, C.146, R.153, T.154, A.155, V.157, R.194 11 PLIP interactions: 11 interactions with chain A Hydrogen bonds: A:G.143, A:E.144, A:E.144, A:I.145, A:C.146, A:T.154, A:T.154, A:T.154, A:R.194, A:R.194 Salt bridges: A:R.153 PCG.2: 13 residues within 4Å: Chain B: I.107, V.126, M.134, F.142, G.143, E.144, I.145, C.146, R.153, T.154, A.155, V.157, R.194 11 PLIP interactions: 11 interactions with chain B Hydrogen bonds: B:G.143, B:E.144, B:E.144, B:I.145, B:C.146, B:T.154, B:T.154, B:T.154, B:R.194, B:R.194 Salt bridges: B:R.153 PCG.3: 13 residues within 4Å: Chain C: I.107, V.126, M.134, F.142, G.143, E.144, I.145, C.146, R.153, T.154, A.155, V.157, R.194 11 PLIP interactions: 11 interactions with chain C Hydrogen bonds: C:G.143, C:E.144, C:E.144, C:I.145, C:C.146, C:T.154, C:T.154, C:T.154, C:R.194, C:R.194 Salt bridges: C:R.153 PCG.4: 13 residues within 4Å: Chain D: I.107, V.126, M.134, F.142, G.143, E.144, I.145, C.146, R.153, T.154, A.155, V.157, R.194 11 PLIP interactions: 11 interactions with chain D Hydrogen bonds: D:G.143, D:E.144, D:E.144, D:I.145, D:C.146, D:T.154, D:T.154, D:T.154, D:R.194, D:R.194 Salt bridges: D:R.153

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Zagotta, W.N. et al., Structural basis for modulation and agonist specificity of HCN pacemaker channels. Nature (2003)

Release Date

2003-09-09

Peptides

Potassium/sodium hyperpolarization-activated cyclic nucleotide-gated channel 2: ABCD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

B
B

C
B

D
B

Potassium/sodium hyperpolarization-activated cyclic nucleotide-gated channel 2

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