SMTL ID : 3rb5.1 (2 other biounits)

Crystal structure of calcium binding domain CBD12 of CALX1.1

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.35 Å

Oligo State

monomer

Ligands

4 x CA: CALCIUM ION(Non-covalent)

CA.1: 4 residues within 4Å: Chain A: T.57, D.58, E.88, E.91 5 PLIP interactions: 5 interactions with chain A Metal complexes: A:D.58, A:D.58, A:E.88, A:E.91, A:E.91 CA.2: 6 residues within 4Å: Chain A: E.23, D.83, D.84, D.119, D.120 Ligands: CA.3 5 PLIP interactions: 5 interactions with chain A Metal complexes: A:E.23, A:D.83, A:D.84, A:D.119, A:D.120 CA.3: 7 residues within 4Å: Chain A: E.23, D.84, V.86, E.88, D.118, D.120 Ligands: CA.2 5 PLIP interactions: 5 interactions with chain A Metal complexes: A:D.84, A:V.86, A:E.88, A:D.118, A:D.120 CA.4: 6 residues within 4Å: Chain A: E.23, D.58, E.88, E.91, I.116, D.118 5 PLIP interactions: 4 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:E.23, A:D.58, A:E.88, A:E.88, H2O.1

1 x MPD: (4S)-2-METHYL-2,4-PENTANEDIOL(Non-functional Binders)

MPD.5: 2 residues within 4Å: Chain A: K.207, Y.257 1 PLIP interactions: 1 interactions with chain A Hydrophobic interactions: A:Y.257

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

SO4.6: 2 residues within 4Å: Chain A: K.188, F.189 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:F.189 Salt bridges: A:K.188 SO4.7: 3 residues within 4Å: Chain A: P.16, G.17, H.18 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:G.17, A:H.18, A:H.18 SO4.8: 4 residues within 4Å: Chain A: P.16, E.29, R.31, R.76 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:E.29 Salt bridges: A:R.76

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Wu, M. et al., Structural Basis of the Ca(2+) Inhibitory Mechanism of Drosophila Na(+)/Ca(2+) Exchanger CALX and Its Modification by Alternative Splicing. Structure (2011)

Release Date

2011-11-02

Peptides

Na/Ca exchange protein: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Na/Ca exchange protein

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