Calcium in PDB 6yia: 14-3-3 Sigma in Complex with SMAD2 PS465 Peptide

The structure of 14-3-3 Sigma in Complex with SMAD2 PS465 Peptide, PDB code: 6yia was solved by S.Kiehstaller, S.Graf, S.Hennig, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	45.34 / 1.30
Space group	C 2 2 21
Cell size a, b, c (Å), α, β, γ (°)	82.05, 111.6, 62.31, 90, 90, 90
R / Rfree (%)	14.5 / 18.2

The structure of 14-3-3 Sigma in Complex with SMAD2 PS465 Peptide also contains other interesting chemical elements:

Chlorine	(Cl)	1 atom
Magnesium	(Mg)	5 atoms
Sodium	(Na)	1 atom

The binding sites of Calcium atom in the 14-3-3 Sigma in Complex with SMAD2 PS465 Peptide (pdb code 6yia). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total only one binding site of Calcium was determined in the 14-3-3 Sigma in Complex with SMAD2 PS465 Peptide, PDB code: 6yia:

Calcium binding site 1 out of 1 in the 14-3-3 Sigma in Complex with SMAD2 PS465 Peptide


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of 14-3-3 Sigma in Complex with SMAD2 PS465 Peptide within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca308 b:20.3 occ:1.00 OE2 A:GLU188 2.3 16.8 0.7 O A:HOH724 2.3 37.0 1.0 O A:HOH655 2.3 24.9 1.0 O A:HOH576 2.4 43.4 1.0 CD A:GLU188 3.3 16.9 0.7 CG A:GLU188 3.7 18.1 1.0 OE1 A:GLU188 4.4 21.0 1.0

S.Graf, S.Kiehstaller, C.Ottmann, S.Hennig. Identification and Characterization of 14-3-3/Smad Protein-Protein-Interactions To Be Published.