SMTL ID : 5khg.1

HCN2 CNBD in complex with cytidine-3', 5'-cyclic monophosphate (cCMP)

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.24 Å

Oligo State

homo-tetramer

Ligands

4 x CC7: 4-amino-1-[(2S,4aR,6R,7R,7aS)-2,7-dihydroxy-2-oxidotetrahydro-4H-furo[3,2-d][1,3,2]dioxaphosphinin-6-yl]pyrimidin-2(1H)-one(Non-covalent)

CC7.1: 12 residues within 4Å: Chain A: V.125, M.133, L.135, F.141, G.142, E.143, I.144, C.145, R.152, T.153, A.154, R.193 10 PLIP interactions: 10 interactions with chain A Hydrophobic interactions: A:R.193 Hydrogen bonds: A:G.142, A:E.143, A:E.143, A:I.144, A:C.145, A:T.153, A:R.193, A:R.193 Salt bridges: A:R.152 CC7.2: 12 residues within 4Å: Chain B: V.125, M.133, L.135, F.141, G.142, E.143, I.144, C.145, R.152, T.153, A.154, R.193 10 PLIP interactions: 10 interactions with chain B Hydrophobic interactions: B:R.193 Hydrogen bonds: B:G.142, B:E.143, B:E.143, B:I.144, B:C.145, B:T.153, B:R.193, B:R.193 Salt bridges: B:R.152 CC7.3: 12 residues within 4Å: Chain C: V.125, M.133, L.135, F.141, G.142, E.143, I.144, C.145, R.152, T.153, A.154, R.193 10 PLIP interactions: 10 interactions with chain C Hydrophobic interactions: C:R.193 Hydrogen bonds: C:G.142, C:E.143, C:E.143, C:I.144, C:C.145, C:T.153, C:R.193, C:R.193 Salt bridges: C:R.152 CC7.4: 12 residues within 4Å: Chain D: V.125, M.133, L.135, F.141, G.142, E.143, I.144, C.145, R.152, T.153, A.154, R.193 10 PLIP interactions: 10 interactions with chain D Hydrophobic interactions: D:R.193 Hydrogen bonds: D:G.142, D:E.143, D:E.143, D:I.144, D:C.145, D:T.153, D:R.193, 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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