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

M. loti cyclic-nucleotide binding domain mutant displaying inverted ligand selectivity, cyclic-GMP bound

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.25 Å

Oligo State

homo-dimer

Ligands

2 x PCG: CYCLIC GUANOSINE MONOPHOSPHATE(Non-covalent)

PCG.1: 17 residues within 4Å: Chain A: C.50, V.69, S.71, S.75, L.77, F.83, G.84, E.85, M.86, A.87, R.94, S.95, A.96, V.98, R.135, A.138, D.139 17 PLIP interactions: 17 interactions with chain A Hydrogen bonds: A:G.84, A:E.85, A:E.85, A:M.86, A:A.87, A:S.95, A:S.95, A:S.95, A:R.135, A:R.135 Water bridges: A:S.71, A:S.71, A:S.75, A:E.92, A:P.93 Salt bridges: A:R.94, A:D.139 PCG.3: 20 residues within 4Å: Chain B: C.50, V.69, S.71, P.72, S.75, L.77, F.83, G.84, E.85, M.86, A.87, L.88, R.94, S.95, A.96, V.98, R.135, R.136, A.138, D.139 15 PLIP interactions: 15 interactions with chain B Hydrogen bonds: B:S.71, B:G.84, B:G.84, B:E.85, B:E.85, B:M.86, B:A.87, B:S.95, B:S.95, B:S.95, B:R.135, B:R.135 Water bridges: B:S.75 Salt bridges: B:R.94, B:D.139

2 x NA: SODIUM ION(Non-functional Binders)

NA.2: 5 residues within 4Å: Chain A: V.5, D.9, R.39, R.41 Chain B: T.42 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:D.9, A:R.41 Water bridges: A:R.39, A:R.41 NA.4: 4 residues within 4Å: Chain B: F.23, Q.24, L.26, L.31 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:L.26, B:L.26

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Pessoa, J. et al., Determinants of ligand selectivity in a cyclic nucleotide-regulated potassium channel. J.Gen.Physiol. (2014)

Release Date

2014-06-25

Peptides

Cyclic nucleotide-gated potassium channel mll3241: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Cyclic nucleotide-gated potassium channel mll3241

Related Entries With Identical Sequence