SMTL ID : 6mue.1

Voltage-gated sodium channel NaV1.4 IQ domain in complex with Ca2+/Calmodulin

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.90 Å

Oligo State

hetero-1-1-mer

Ligands

4 x CA: CALCIUM ION(Non-covalent)

CA.1: 5 residues within 4Å: Chain A: D.132, D.134, D.136, Q.138, E.143 5 PLIP interactions: 4 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:D.132, A:D.136, A:Q.138, A:E.143, H2O.1 CA.2: 5 residues within 4Å: Chain A: D.23, D.25, D.27, T.29, E.34 5 PLIP interactions: 4 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:D.23, A:D.27, A:E.34, A:E.34, H2O.2 CA.3: 5 residues within 4Å: Chain A: D.59, D.61, N.63, T.65, E.70 5 PLIP interactions: 4 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:D.59, A:D.61, A:T.65, A:E.70, H2O.1 CA.4: 5 residues within 4Å: Chain A: D.96, D.98, N.100, Y.102, E.107 5 PLIP interactions: 4 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:D.96, A:D.98, A:Y.102, A:E.107, H2O.2

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Gardill, B.R. et al., Crystal structures of Ca2+-calmodulin bound to NaVC-terminal regions suggest role for EF-hand domain in binding and inactivation. Proc.Natl.Acad.Sci.USA (2019)

Release Date

2019-05-08

Peptides

Calmodulin-1: A
Sodium channel protein type 4 subunit alpha: B

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Calmodulin-1

Sodium channel protein type 4 subunit alpha