SMTL ID : 4hbn.1

Crystal structure of the human HCN4 channel C-terminus carrying the S672R mutation

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.60 Å

Oligo State

homo-tetramer

Ligands

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

CMP.1: 14 residues within 4Å: Chain A: I.104, V.123, T.131, L.133, F.139, G.140, E.141, I.142, C.143, R.150, T.151, A.152, R.191, R.194 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 Water bridges: A:R.194 Salt bridges: A:R.150 CMP.3: 14 residues within 4Å: Chain B: I.104, V.123, T.131, L.133, F.139, G.140, E.141, I.142, C.143, R.150, T.151, A.152, R.191, R.194 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 Water bridges: B:R.194 Salt bridges: B:R.150 CMP.5: 14 residues within 4Å: Chain C: I.104, V.123, T.131, L.133, F.139, G.140, E.141, I.142, C.143, R.150, T.151, A.152, R.191, R.194 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 Water bridges: C:R.194 Salt bridges: C:R.150 CMP.7: 14 residues within 4Å: Chain D: I.104, V.123, T.131, L.133, F.139, G.140, E.141, I.142, C.143, R.150, T.151, A.152, R.191, R.194 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 Water bridges: D:R.194 Salt bridges: D:R.150

4 x PO4: PHOSPHATE ION(Non-functional Binders)

PO4.2: 2 residues within 4Å: Chain A: S.49, E.53 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:E.53 PO4.4: 2 residues within 4Å: Chain B: S.49, E.53 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:E.53 PO4.6: 2 residues within 4Å: Chain C: S.49, E.53 1 PLIP interactions: 1 interactions with chain C Hydrogen bonds: C:E.53 PO4.8: 2 residues within 4Å: Chain D: S.49, E.53 1 PLIP interactions: 1 interactions with chain D Hydrogen bonds: D:E.53

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Xu, X. et al., Local and Global Interpretations of a Disease-Causing Mutation near the Ligand Entry Path in Hyperpolarization-Activated cAMP-Gated Channel. Structure (2012)

Release Date

2013-01-16

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