Calcium in PDB 4k3s: E. Coli Sliding Clamp in P1 Crystal Space Group

All present enzymatic activity of E. Coli Sliding Clamp in P1 Crystal Space Group:
2.7.7.7;

The structure of E. Coli Sliding Clamp in P1 Crystal Space Group, PDB code: 4k3s was solved by Z.Yin, A.J.Oakley, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	28.24 / 1.75
Space group	P 1
Cell size a, b, c (Å), α, β, γ (°)	40.980, 64.970, 71.930, 73.81, 82.46, 84.04
R / Rfree (%)	19.5 / 22.9

The binding sites of Calcium atom in the E. Coli Sliding Clamp in P1 Crystal Space Group (pdb code 4k3s). 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 E. Coli Sliding Clamp in P1 Crystal Space Group, PDB code: 4k3s:

Calcium binding site 1 out of 1 in the E. Coli Sliding Clamp in P1 Crystal Space Group


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of E. Coli Sliding Clamp in P1 Crystal Space Group within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca401 b:41.3 occ:1.00 O A:GLY85 2.5 24.9 1.0 OE1 A:GLU6 2.6 34.9 1.0 OE2 A:GLU6 2.7 36.9 1.0 CD A:GLU6 3.0 31.5 1.0 C A:GLY85 3.6 25.4 1.0 OE1 A:GLU87 3.6 40.5 1.0 CG A:GLU87 4.0 32.9 1.0 CA A:GLY85 4.1 26.6 1.0 CD A:GLU87 4.3 37.2 1.0 CG A:GLU6 4.5 28.1 1.0 O A:HOH583 4.5 27.7 1.0 C A:ALA86 4.7 22.3 1.0 O A:ALA86 4.7 22.0 1.0 N A:ALA86 4.7 23.6 1.0 N A:GLU87 4.9 23.2 1.0

Z.Yin, M.J.Kelso, J.L.Beck, A.J.Oakley. Structural and Thermodynamic Dissection of Linear Motif Recognition By the E. Coli Sliding Clamp J.Med.Chem. V. 56 8665 2013.
ISSN: ISSN 0022-2623
PubMed: 24090409
DOI: 10.1021/JM401118F