Calcium in PDB 7tea: Crystal Structure of S. Aureus Glnr-Dna Complex

The structure of Crystal Structure of S. Aureus Glnr-Dna Complex, PDB code: 7tea was solved by M.A.Schumacher, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	49.63 / 2.35
Space group	I 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	66.502, 99.265, 238.922, 90, 90, 90
R / Rfree (%)	21.3 / 26.4

The binding sites of Calcium atom in the Crystal Structure of S. Aureus Glnr-Dna Complex (pdb code 7tea). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total 2 binding sites of Calcium where determined in the Crystal Structure of S. Aureus Glnr-Dna Complex, PDB code: 7tea:
Jump to Calcium binding site number: 1; 2;

Calcium binding site 1 out of 2 in the Crystal Structure of S. Aureus Glnr-Dna Complex


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 S. Aureus Glnr-Dna Complex within 5.0Å range: probe atom residue distance (Å) B Occ E:Ca101 b:64.4 occ:0.85 O E:HOH201 2.4 47.0 0.5 O E:ARG43 2.4 46.3 1.0 CG E:GLU42 3.6 76.8 1.0 C E:ARG43 3.6 48.8 1.0 OE2 E:GLU42 4.1 117.3 1.0 N E:ARG43 4.2 46.3 1.0 CD E:GLU42 4.3 103.5 1.0 N E:THR44 4.5 50.6 1.0 CA E:THR44 4.5 45.5 1.0 CA E:ARG43 4.5 52.1 1.0 CB E:GLU42 4.7 57.8 1.0 OE1 E:GLU45 4.7 75.7 1.0 C E:THR44 4.8 50.7 1.0

Calcium binding site 2 out of 2 in the Crystal Structure of S. Aureus Glnr-Dna Complex


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 S. Aureus Glnr-Dna Complex within 5.0Å range: probe atom residue distance (Å) B Occ C:Ca101 b:62.5 occ:0.71 O C:ARG43 2.2 64.3 1.0 OE1 C:GLU42 2.3 103.9 1.0 O C:HOH201 2.5 40.9 0.5 O C:HOH216 3.0 85.5 1.0 CD C:GLU42 3.3 91.3 1.0 C C:ARG43 3.4 50.3 1.0 OE2 C:GLU42 4.0 96.2 1.0 N C:ARG43 4.1 43.6 1.0 CG C:GLU42 4.1 76.1 1.0 CA C:ARG43 4.3 55.7 1.0 CA C:THR44 4.3 50.4 1.0 N C:THR44 4.3 52.6 1.0 C C:THR44 4.5 48.9 1.0 OE2 C:GLU45 4.6 89.8 1.0 O C:THR44 4.8 51.5 1.0 CB C:ARG43 4.9 41.5 1.0

B.A.Travis, J.V.Peck, R.Salinas, B.Dopkins, N.Lent, V.D.Nguyen, M.J.Borgnia, R.G.Brennan, M.A.Schumacher. Molecular Dissection of the Glutamine Synthetase-Glnr Nitrogen Regulatory Circuitry in Gram-Positive Bacteria. Nat Commun V. 13 3793 2022.
ISSN: ESSN 2041-1723
PubMed: 35778410
DOI: 10.1038/S41467-022-31573-0