Calcium in PDB 6iyx: Crystal Structure Analysis of A Eukaryotic Membrane Protein

The structure of Crystal Structure Analysis of A Eukaryotic Membrane Protein, PDB code: 6iyx was solved by Y.Zeng, X.H.Wang, F.Gao, M.Su, Y.H.Chen, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	46.27 / 1.80
Space group	P 63 2 2
Cell size a, b, c (Å), α, β, γ (°)	126.723, 126.723, 102.041, 90.00, 90.00, 120.00
R / Rfree (%)	20.2 / 21.2

The structure of Crystal Structure Analysis of A Eukaryotic Membrane Protein also contains other interesting chemical elements:

Bromine

(Br)

6 atoms

The binding sites of Calcium atom in the Crystal Structure Analysis of A Eukaryotic Membrane Protein (pdb code 6iyx). 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 Analysis of A Eukaryotic Membrane Protein, PDB code: 6iyx:

Calcium binding site 1 out of 1 in the Crystal Structure Analysis of A Eukaryotic Membrane Protein


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Crystal Structure Analysis of A Eukaryotic Membrane Protein within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca407 b:29.8 occ:0.33 O A:GLY74 2.4 31.4 1.0 O A:HOH548 2.4 31.2 1.0 O A:HOH554 2.5 29.1 0.3 C A:GLY74 3.5 30.1 1.0 CA A:GLY74 4.2 29.1 1.0 O A:HOH603 4.4 96.0 0.3 N A:GLU75 4.5 28.0 1.0 O A:HOH537 4.6 44.3 1.0 O A:HOH604 4.7 58.8 1.0 CA A:GLU75 4.8 28.9 1.0 O A:HOH508 5.0 33.6 1.0

X.H.Wang, M.Su, F.Gao, W.Xie, Y.Zeng, D.L.Li, X.L.Liu, H.Zhao, L.Qin, F.Li, Q.Liu, O.B.Clarke, S.M.Lam, G.H.Shui, W.A.Hendrickson, Y.H.Chen. Structural Basis For Activity of Tric Counter-Ion Channels in Calcium Release. Proc.Natl.Acad.Sci.Usa V. 116 4238 2019.
ISSN: ESSN 1091-6490
PubMed: 30770441
DOI: 10.1073/PNAS.1817271116