SMTL ID : 5j03.1

Crystal Structure of a chimeric Kv7.2 - Kv7.3 proximal C-terminal Domain in Complex with Calmodulin

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.00 Å

Oligo State

hetero-1-1-mer

Ligands

5 x CA: CALCIUM ION(Non-covalent)

CA.1: 7 residues within 4Å: Chain B: D.21, D.23, D.25, T.27, I.28, T.29, E.32 5 PLIP interactions: 4 interactions with chain B, 1 Ligand-Water interactions Metal complexes: B:D.21, B:D.23, B:D.25, B:E.32, H2O.3 CA.2: 7 residues within 4Å: Chain B: D.57, D.59, N.61, T.63, I.64, D.65, E.68 5 PLIP interactions: 4 interactions with chain B, 1 Ligand-Water interactions Metal complexes: B:D.57, B:T.63, B:E.68, B:E.68, H2O.2 CA.3: 5 residues within 4Å: Chain B: D.94, D.96, N.98, Y.100, I.101 5 PLIP interactions: 3 interactions with chain B, 2 Ligand-Water interactions Metal complexes: B:D.94, B:D.96, B:Y.100, H2O.4, H2O.4 CA.4: 6 residues within 4Å: Chain B: D.130, D.132, D.134, Q.136, V.137 Ligands: ACT.6 5 PLIP interactions: 4 interactions with chain B, 1 Ligand-Water interactions Metal complexes: B:D.130, B:D.132, B:D.134, B:Q.136, H2O.5 CA.5: 2 residues within 4Å: Chain B: E.141, Q.144 4 PLIP interactions: 2 interactions with chain B, 2 Ligand-Water interactions Metal complexes: B:E.141, B:E.141, H2O.5, H2O.5

1 x ACT: ACETATE ION(Non-functional Binders)

ACT.6: 9 residues within 4Å: Chain B: A.129, D.130, I.131, D.132, Q.136, V.137, N.138, E.141 Ligands: CA.4 4 PLIP interactions: 4 interactions with chain B Hydrophobic interactions: B:N.138 Hydrogen bonds: B:I.131, B:D.132, B:N.138

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Strulovich, R. et al., Structural Insights into the M-Channel Proximal C-Terminus/Calmodulin Complex. Biochemistry (2016)

Release Date

2016-09-07

Peptides

Potassium voltage-gated channel subfamily KQT member 3,Potassium voltage-gated channel subfamily KQT member 2: A
Calmodulin: B

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Potassium voltage-gated channel subfamily KQT member 3,Potassium voltage-gated channel subfamily KQT member 2

Calmodulin

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