Calcium in PDB 4gjg: Crystal Structure of the Amino-Terminal Domain of Human Cardiac Troponin C Mutant D2N/V28I/L29Q/G30D (Niqd) in Complex with Cadmium.

The structure of Crystal Structure of the Amino-Terminal Domain of Human Cardiac Troponin C Mutant D2N/V28I/L29Q/G30D (Niqd) in Complex with Cadmium., PDB code: 4gjg was solved by X.Zhang, M.Paetzel, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	42.94 / 2.00
Space group	P 61 2 2
Cell size a, b, c (Å), α, β, γ (°)	49.583, 49.583, 115.141, 90.00, 90.00, 120.00
R / Rfree (%)	14.4 / 19.8

The structure of Crystal Structure of the Amino-Terminal Domain of Human Cardiac Troponin C Mutant D2N/V28I/L29Q/G30D (Niqd) in Complex with Cadmium. also contains other interesting chemical elements:

Cadmium

(Cd)

7 atoms

The binding sites of Calcium atom in the Crystal Structure of the Amino-Terminal Domain of Human Cardiac Troponin C Mutant D2N/V28I/L29Q/G30D (Niqd) in Complex with Cadmium. (pdb code 4gjg). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total 3 binding sites of Calcium where determined in the Crystal Structure of the Amino-Terminal Domain of Human Cardiac Troponin C Mutant D2N/V28I/L29Q/G30D (Niqd) in Complex with Cadmium., PDB code: 4gjg:
Jump to Calcium binding site number: 1; 2; 3;

Calcium binding site 1 out of 3 in the Crystal Structure of the Amino-Terminal Domain of Human Cardiac Troponin C Mutant D2N/V28I/L29Q/G30D (Niqd) in Complex with Cadmium.


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 Amino-Terminal Domain of Human Cardiac Troponin C Mutant D2N/V28I/L29Q/G30D (Niqd) in Complex with Cadmium. within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca108 b:44.6 occ:1.00 OE2 A:GLU19 1.9 61.4 1.0 CD A:GLU19 2.6 53.6 1.0 OE1 A:GLU19 2.6 57.8 1.0 CG A:GLU19 4.1 45.2 1.0 CA A:CA110 4.1 99.7 1.0

Calcium binding site 2 out of 3 in the Crystal Structure of the Amino-Terminal Domain of Human Cardiac Troponin C Mutant D2N/V28I/L29Q/G30D (Niqd) in Complex with Cadmium.


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 2 of Crystal Structure of the Amino-Terminal Domain of Human Cardiac Troponin C Mutant D2N/V28I/L29Q/G30D (Niqd) in Complex with Cadmium. within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca109 b:86.2 occ:0.50 OE1 A:GLU15 3.9 46.8 0.5 CB A:GLU15 4.2 40.5 1.0 CG A:GLU19 4.3 45.2 1.0 CD A:GLU15 4.5 48.3 0.5 CA A:CA110 4.5 99.7 1.0 CD A:GLU19 4.8 53.6 1.0 CG A:GLU15 4.9 44.6 1.0 OE2 A:GLU19 4.9 61.4 1.0

Calcium binding site 3 out of 3 in the Crystal Structure of the Amino-Terminal Domain of Human Cardiac Troponin C Mutant D2N/V28I/L29Q/G30D (Niqd) in Complex with Cadmium.


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 3 of Crystal Structure of the Amino-Terminal Domain of Human Cardiac Troponin C Mutant D2N/V28I/L29Q/G30D (Niqd) in Complex with Cadmium. within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca110 b:99.7 occ:1.00 OE2 A:GLU19 2.7 61.4 1.0 CD A:GLU19 3.6 53.6 1.0 CG A:GLU19 3.7 45.2 1.0 CA A:CA108 4.1 44.6 1.0 CA A:CA109 4.5 86.2 0.5 OE1 A:GLU19 4.8 57.8 1.0

X.L.Zhang, G.F.Tibbits, M.Paetzel. The Structure of Cardiac Troponin C Regulatory Domain with Bound Cd(2+) Reveals A Closed Conformation and Unique Ion Coordination. Acta Crystallogr.,Sect.D V. 69 722 2013.
ISSN: ISSN 0907-4449
PubMed: 23633581
DOI: 10.1107/S0907444913001182