SMTL ID : 3otf.1

Structural basis for the cAMP-dependent gating in human HCN4 channel

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.40 Å

Oligo State

homo-tetramer

Ligands

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

CMP.1: 11 residues within 4Å: Chain A: V.123, L.133, F.139, G.140, E.141, I.142, C.143, R.150, T.151, A.152, R.191 9 PLIP interactions: 9 interactions with chain A Hydrogen bonds: A:G.140, A:E.141, A:E.141, A:I.142, A:C.143, A:T.151, A:R.191, A:R.191 Salt bridges: A:R.150 CMP.2: 11 residues within 4Å: Chain B: V.123, L.133, F.139, G.140, E.141, I.142, C.143, R.150, T.151, A.152, R.191 9 PLIP interactions: 9 interactions with chain B Hydrogen bonds: B:G.140, B:E.141, B:E.141, B:I.142, B:C.143, B:T.151, B:R.191, B:R.191 Salt bridges: B:R.150 CMP.3: 11 residues within 4Å: Chain C: V.123, L.133, F.139, G.140, E.141, I.142, C.143, R.150, T.151, A.152, R.191 9 PLIP interactions: 9 interactions with chain C Hydrogen bonds: C:G.140, C:E.141, C:E.141, C:I.142, C:C.143, C:T.151, C:R.191, C:R.191 Salt bridges: C:R.150 CMP.4: 11 residues within 4Å: Chain D: V.123, L.133, F.139, G.140, E.141, I.142, C.143, R.150, T.151, A.152, R.191 9 PLIP interactions: 9 interactions with chain D Hydrogen bonds: D:G.140, D:E.141, D:E.141, D:I.142, D:C.143, D:T.151, D:R.191, D:R.191 Salt bridges: D:R.150

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Xu, X. et al., Structural basis for the cAMP-dependent gating in the human HCN4 channel. J.Biol.Chem. (2010)

Release Date

2010-10-13

Peptides

Potassium/sodium hyperpolarization-activated cyclic nucleotide-gated channel 4: 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 4