SMTL ID : 3bxk.2 (1 other biounit)

Crystal structure of the P/Q-type calcium channel (CaV2.1) IQ domain and CA2+calmodulin complex

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.55 Å

Oligo State

hetero-1-1-mer

Ligands

4 x CA: CALCIUM ION(Non-covalent)

CA.1: 5 residues within 4Å: Chain A: D.20, D.22, D.24, T.26, E.31 5 PLIP interactions: 4 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:D.20, A:D.22, A:D.24, A:E.31, H2O.1 CA.2: 5 residues within 4Å: Chain A: D.56, D.58, N.60, T.62, E.67 4 PLIP interactions: 4 interactions with chain A Metal complexes: A:D.56, A:T.62, A:E.67, A:E.67 CA.3: 5 residues within 4Å: Chain A: D.129, D.131, D.133, Q.135, E.140 5 PLIP interactions: 4 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:D.129, A:Q.135, A:E.140, A:E.140, H2O.1 CA.4: 5 residues within 4Å: Chain A: D.93, D.95, N.97, Y.99, E.104 5 PLIP interactions: 4 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:D.93, A:D.95, A:Y.99, A:E.104, H2O.1

2 x SO4: SULFATE ION(Non-functional Binders)

SO4.5: 2 residues within 4Å: Chain A: D.122, R.126 1 PLIP interactions: 1 interactions with chain A Salt bridges: A:R.126 SO4.6: 2 residues within 4Å: Chain A: T.34, R.37 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:T.34 Salt bridges: A:R.37

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Mori, M.X. et al., Crystal structure of the P/Q-type calcium channel (CaV2.1) IQ domain and CA2+calmodulin complex. To be Published

Release Date

2008-03-25

Peptides

Calmodulin: A
Voltage-dependent P/Q-type calcium channel subunit alpha-1A peptide: B

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
C

B
D

Calmodulin

Voltage-dependent P/Q-type calcium channel subunit alpha-1A peptide

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