SMTL ID : 2be6.4 (3 other biounits)

2.0 A crystal structure of the CaV1.2 IQ domain-Ca/CaM complex

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.00 Å

Oligo State

hetero-2-2-mer

Ligands

8 x CA: CALCIUM ION(Non-covalent)

CA.1: 5 residues within 4Å: Chain A: D.21, D.23, D.25, T.27, E.32 5 PLIP interactions: 5 interactions with chain A Metal complexes: A:D.21, A:D.23, A:D.25, A:T.27, A:E.32 CA.2: 5 residues within 4Å: Chain A: D.57, D.59, N.61, T.63, E.68 5 PLIP interactions: 4 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:D.57, A:D.59, A:T.63, A:E.68, H2O.2 CA.3: 5 residues within 4Å: Chain A: D.94, D.96, N.98, Y.100, E.105 5 PLIP interactions: 5 interactions with chain A Metal complexes: A:D.94, A:D.96, A:Y.100, A:E.105, A:E.105 CA.4: 5 residues within 4Å: Chain A: D.130, D.132, D.134, Q.136, E.141 5 PLIP interactions: 4 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:D.130, A:D.134, A:Q.136, A:E.141, H2O.1 CA.6: 5 residues within 4Å: Chain C: D.21, D.23, D.25, T.27, E.32 5 PLIP interactions: 4 interactions with chain C, 1 Ligand-Water interactions Metal complexes: C:D.21, C:D.25, C:T.27, C:E.32, H2O.2 CA.7: 5 residues within 4Å: Chain C: D.57, D.59, N.61, T.63, E.68 5 PLIP interactions: 4 interactions with chain C, 1 Ligand-Water interactions Metal complexes: C:D.57, C:D.59, C:T.63, C:E.68, H2O.3 CA.8: 5 residues within 4Å: Chain C: D.94, D.96, N.98, Y.100, E.105 5 PLIP interactions: 4 interactions with chain C, 1 Ligand-Water interactions Metal complexes: C:D.94, C:Y.100, C:E.105, C:E.105, H2O.3 CA.9: 5 residues within 4Å: Chain C: D.130, D.132, D.134, Q.136, E.141 5 PLIP interactions: 4 interactions with chain C, 1 Ligand-Water interactions Metal complexes: C:D.130, C:D.132, C:D.134, C:E.141, H2O.2

2 x NI: NICKEL (II) ION(Non-covalent)

NI.5: 1 residues within 4Å: Chain A: H.108 5 PLIP interactions: 1 interactions with chain A, 4 Ligand-Water interactions Metal complexes: A:H.108, H2O.2, H2O.2, H2O.2, H2O.2 NI.10: 2 residues within 4Å: Chain C: H.108, N.112 5 PLIP interactions: 1 interactions with chain C, 4 Ligand-Water interactions Metal complexes: C:H.108, H2O.5, H2O.5, H2O.5, H2O.5

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

van Petegem, F. et al., Insights into voltage-gated calcium channel regulation from the structure of the Ca(V)1.2 IQ domain-Ca(2+)/calmodulin complex. Nat.Struct.Mol.Biol. (2005)

Release Date

2005-11-15

Peptides

Calmodulin 2: AC
Voltage-dependent L-type calcium channel alpha-1C subunit: BD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

C
C

B
E

D
F

Calmodulin 2

Voltage-dependent L-type calcium channel alpha-1C subunit

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