Calcium in PDB 7or8: Ternary Complex of 14-3-3 Sigma, P27PT198 Phosphopeptide, and WQ136

The structure of Ternary Complex of 14-3-3 Sigma, P27PT198 Phosphopeptide, and WQ136, PDB code: 7or8 was solved by F.Centorrino, Q.Wu, C.Ottmann, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	34.42 / 1.80
Space group	C 2 2 21
Cell size a, b, c (Å), α, β, γ (°)	82.55, 111.558, 62.346, 90, 90, 90
R / Rfree (%)	15.5 / 18.9

The structure of Ternary Complex of 14-3-3 Sigma, P27PT198 Phosphopeptide, and WQ136 also contains other interesting chemical elements:

Magnesium	(Mg)	2 atoms
Chlorine	(Cl)	1 atom

The binding sites of Calcium atom in the Ternary Complex of 14-3-3 Sigma, P27PT198 Phosphopeptide, and WQ136 (pdb code 7or8). 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 Ternary Complex of 14-3-3 Sigma, P27PT198 Phosphopeptide, and WQ136, PDB code: 7or8:

Calcium binding site 1 out of 1 in the Ternary Complex of 14-3-3 Sigma, P27PT198 Phosphopeptide, and WQ136


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Ternary Complex of 14-3-3 Sigma, P27PT198 Phosphopeptide, and WQ136 within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca307 b:14.8 occ:1.00 OE2 A:GLU188 2.4 11.3 1.0 O A:HOH452 2.5 11.5 1.0 CD A:GLU188 3.3 16.8 1.0 H1 A:0AW303 3.5 17.1 1.0 OE1 A:GLU188 3.6 17.2 1.0 N01 A:0AW303 4.1 14.2 1.0 H011 A:0AW303 4.1 17.1 1.0 O A:HOH590 4.5 13.9 1.0 O A:HOH532 4.6 25.6 1.0 CG A:GLU188 4.7 13.0 1.0 HG3 A:GLU188 4.8 15.6 1.0

F.Centorrino, Q.Wu, P.Cossar, L.Brunsveld, C.Ottmann. A Crystallography-Based Study of Fragment Extensions Into the 14-3-3 Binding Groove To Be Published.