Calcium in PDB 4dnn: Crystal Structure of the Quaking QUA1 Homodimerization Domain

The structure of Crystal Structure of the Quaking QUA1 Homodimerization Domain, PDB code: 4dnn was solved by C.Beuck, S.Qu, J.R.Williamson, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	31.91 / 2.10
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	33.983, 36.024, 92.814, 90.00, 90.00, 90.00
R / Rfree (%)	21.6 / 25.2

The binding sites of Calcium atom in the Crystal Structure of the Quaking QUA1 Homodimerization Domain (pdb code 4dnn). 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 Crystal Structure of the Quaking QUA1 Homodimerization Domain, PDB code: 4dnn:

Calcium binding site 1 out of 1 in the Crystal Structure of the Quaking QUA1 Homodimerization Domain


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Crystal Structure of the Quaking QUA1 Homodimerization Domain within 5.0Å range: probe atom residue distance (Å) B Occ B:Ca101 b:0.5 occ:1.00 O B:HOH219 3.2 47.0 1.0 OD2 B:ASP46 3.2 32.4 1.0 NZ B:LYS25 3.5 23.5 1.0 CD B:GLU42 3.6 39.1 1.0 OE2 B:GLU42 3.7 38.9 1.0 CG B:GLU42 3.8 33.4 1.0 OE1 B:GLU42 4.1 37.6 1.0 CB B:GLU42 4.2 33.0 1.0 CG B:ASP46 4.3 29.4 1.0 O B:HOH223 4.5 50.8 1.0 OD1 B:ASP46 4.7 30.7 1.0 C B:GLU42 4.9 22.3 1.0 CE B:LYS25 5.0 21.8 1.0 O B:GLU42 5.0 28.1 1.0

C.Beuck, S.Qu, W.S.Fagg, M.Ares, J.R.Williamson. Structural Analysis of the Quaking Homodimerization Interface. J.Mol.Biol. V. 423 766 2012.
ISSN: ISSN 0022-2836
PubMed: 22982292
DOI: 10.1016/J.JMB.2012.08.027