SMTL ID : 5khi.1

HCN2 CNBD in complex with purine riboside-3', 5'-cyclic monophosphate (cPuMP)

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.10 Å

Oligo State

homo-tetramer

Ligands

4 x 6SX: Purine riboside-3',5'-cyclic monophosphate(Non-covalent)

6SX.1: 13 residues within 4Å: Chain A: I.106, V.125, F.141, G.142, E.143, I.144, C.145, R.152, T.153, A.154, V.156, R.193, I.197 8 PLIP interactions: 8 interactions with chain A Hydrogen bonds: A:G.142, A:E.143, A:E.143, A:I.144, A:C.145, A:T.153, A:R.193 Salt bridges: A:R.152 6SX.2: 13 residues within 4Å: Chain B: I.106, V.125, F.141, G.142, E.143, I.144, C.145, R.152, T.153, A.154, V.156, R.193, I.197 8 PLIP interactions: 8 interactions with chain B Hydrogen bonds: B:G.142, B:E.143, B:E.143, B:I.144, B:C.145, B:T.153, B:R.193 Salt bridges: B:R.152 6SX.3: 13 residues within 4Å: Chain C: I.106, V.125, F.141, G.142, E.143, I.144, C.145, R.152, T.153, A.154, V.156, R.193, I.197 8 PLIP interactions: 8 interactions with chain C Hydrogen bonds: C:G.142, C:E.143, C:E.143, C:I.144, C:C.145, C:T.153, C:R.193 Salt bridges: C:R.152 6SX.4: 13 residues within 4Å: Chain D: I.106, V.125, F.141, G.142, E.143, I.144, C.145, R.152, T.153, A.154, V.156, R.193, I.197 8 PLIP interactions: 8 interactions with chain D Hydrogen bonds: D:G.142, D:E.143, D:E.143, D:I.144, D:C.145, D:T.153, D:R.193 Salt bridges: D:R.152

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Ng, L.C. et al., Cyclic Purine and Pyrimidine Nucleotides Bind to the HCN2 Ion Channel and Variably Promote C-Terminal Domain Interactions and Opening. Structure (2016)

Release Date

2016-09-14

Peptides

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

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

C
A

D
A

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

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