SMTL ID : 4r50.3 (2 other biounits)

Crystal Structure of CNG mimicking NaK-ETPP mutant cocrystallized with Li+

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.85 Å

Oligo State

homo-tetramer

Ligands

12 x GLY: GLYCINE(Non-covalent)

GLY.1: 2 residues within 4Å: Chain A: F.74, H.78 8 PLIP interactions: 8 Ligand-Ligand interactions Water bridges: G.7, G.7, G.7, G.7, G.7, G.7, G.10, G.10 GLY.2: 6 residues within 4Å: Chain A: D.35, Y.38, F.39, T.50 Chain C: P.52, K.59 3 PLIP interactions: 1 interactions with chain C, 2 Ligand-Ligand interactions Salt bridges: C:K.59 Hydrogen bonds: G.2, G.2 GLY.3: 2 residues within 4Å: Chain A: F.67 Chain D: F.76 No protein-ligand interaction detected (PLIP) GLY.4: 2 residues within 4Å: Chain B: F.74, H.78 8 PLIP interactions: 8 Ligand-Ligand interactions Water bridges: G.7, G.7, G.7, G.7, G.10, G.10, G.10, G.10 GLY.5: 6 residues within 4Å: Chain B: D.35, Y.38, F.39, T.50 Chain D: P.52, K.59 3 PLIP interactions: 2 Ligand-Ligand interactions, 1 interactions with chain D Hydrogen bonds: G.5, G.5 Salt bridges: D:K.59 GLY.6: 2 residues within 4Å: Chain B: F.67 Chain C: F.76 No protein-ligand interaction detected (PLIP) GLY.7: 2 residues within 4Å: Chain C: F.74, H.78 8 PLIP interactions: 8 Ligand-Ligand interactions Water bridges: G.1, G.1, G.1, G.1, G.4, G.4, G.4, G.4 GLY.8: 6 residues within 4Å: Chain B: P.52, K.59 Chain C: D.35, Y.38, F.39, T.50 3 PLIP interactions: 1 interactions with chain B, 2 Ligand-Ligand interactions Salt bridges: B:K.59 Hydrogen bonds: G.8, G.8 GLY.9: 2 residues within 4Å: Chain A: F.76 Chain C: F.67 No protein-ligand interaction detected (PLIP) GLY.10: 2 residues within 4Å: Chain D: F.74, H.78 8 PLIP interactions: 8 Ligand-Ligand interactions Water bridges: G.1, G.1, G.1, G.1, G.1, G.1, G.4, G.4 GLY.11: 6 residues within 4Å: Chain A: P.52, K.59 Chain D: D.35, Y.38, F.39, T.50 3 PLIP interactions: 2 Ligand-Ligand interactions, 1 interactions with chain A Hydrogen bonds: G.11, G.11 Salt bridges: A:K.59 GLY.12: 2 residues within 4Å: Chain B: F.76 Chain D: F.67 No protein-ligand interaction detected (PLIP)

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Napolitano, L.M. et al., A structural, functional, and computational analysis suggests pore flexibility as the base for the poor selectivity of CNG channels. Proc.Natl.Acad.Sci.USA (2015)

Release Date

2015-07-01

Peptides

Potassium channel protein: ABCD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

B
B

C
B

D
B

Membrane

We predict this structure to be a membrane protein.
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Potassium channel protein

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