SMTL ID : 4umo.1

Crystal Structure of the Kv7.1 proximal C-terminal Domain in Complex with Calmodulin

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 3.00 Å

Oligo State

hetero-2-2-mer

Ligands

4 x K: POTASSIUM ION(Non-covalent)

K.1: 5 residues within 4Å: Chain A: F.76, R.80 Chain B: R.80, H.83, R.84 No protein-ligand interaction detected (PLIP) K.2: 4 residues within 4Å: Chain A: E.75, F.76 Chain D: S.39, L.40 No protein-ligand interaction detected (PLIP) K.4: 5 residues within 4Å: Chain A: R.80, H.83, R.84 Chain B: F.76, R.80 No protein-ligand interaction detected (PLIP) K.7: 4 residues within 4Å: Chain B: E.75, F.76 Chain C: S.39, L.40 No protein-ligand interaction detected (PLIP)

1 x SCN: THIOCYANATE ION(Non-functional Binders)

SCN.3: 4 residues within 4Å: Chain A: Y.73 Chain B: R.91, Q.94 Chain D: Q.42 No protein-ligand interaction detected (PLIP)

4 x CA: CALCIUM ION(Non-covalent)

CA.5: 5 residues within 4Å: Chain C: D.21, D.23, D.25, T.27, E.32 5 PLIP interactions: 5 interactions with chain C Metal complexes: C:D.21, C:D.23, C:D.25, C:T.27, C:E.32 CA.6: 5 residues within 4Å: Chain C: D.57, D.59, N.61, T.63, E.68 5 PLIP interactions: 5 interactions with chain C Metal complexes: C:D.57, C:D.59, C:D.59, C:T.63, C:E.68 CA.8: 5 residues within 4Å: Chain D: D.21, D.23, D.25, T.27, E.32 5 PLIP interactions: 5 interactions with chain D Metal complexes: D:D.23, D:D.25, D:T.27, D:E.32, D:E.32 CA.9: 5 residues within 4Å: Chain D: D.57, D.59, N.61, T.63, E.68 5 PLIP interactions: 5 interactions with chain D Metal complexes: D:D.57, D:D.59, D:D.59, D:T.63, D:E.68

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Sachyani, D. et al., Structural Basis of a Kv7.1 Potassium Channel Gating Module: Studies of the Intracellular C-Terminal Domain in Complex with Calmodulin. Structure (2014)

Release Date

2014-11-05

Peptides

POTASSIUM VOLTAGE-GATED CHANNEL SUBFAMILY KQT MEMBER 1: AB
CALMODULIN: CD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

D
D

POTASSIUM VOLTAGE-GATED CHANNEL SUBFAMILY KQT MEMBER 1

CALMODULIN

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