Calcium in PDB 6un3: Crystal Structure of Pseudomonas Aeruginosa PBP3 in Complex with Ticarcillin

All present enzymatic activity of Crystal Structure of Pseudomonas Aeruginosa PBP3 in Complex with Ticarcillin:
3.4.16.4;

The structure of Crystal Structure of Pseudomonas Aeruginosa PBP3 in Complex with Ticarcillin, PDB code: 6un3 was solved by M.Sacco, Y.Chen, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	45.63 / 1.90
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	68.790, 83.260, 89.220, 90.00, 90.00, 90.00
R / Rfree (%)	20.1 / 26.7

The binding sites of Calcium atom in the Crystal Structure of Pseudomonas Aeruginosa PBP3 in Complex with Ticarcillin (pdb code 6un3). 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 Pseudomonas Aeruginosa PBP3 in Complex with Ticarcillin, PDB code: 6un3:

Calcium binding site 1 out of 1 in the Crystal Structure of Pseudomonas Aeruginosa PBP3 in Complex with Ticarcillin


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 Pseudomonas Aeruginosa PBP3 in Complex with Ticarcillin within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca603 b:56.1 occ:1.00 O A:HOH890 2.7 41.4 1.0 O A:HOH868 2.7 35.7 1.0 OD1 A:ASP428 2.7 27.6 1.0 OD2 A:ASP428 2.8 31.8 1.0 O A:HOH768 3.0 28.9 1.0 CG A:ASP428 3.1 27.5 1.0 CD A:PRO516 4.2 26.2 1.0 OE1 A:GLN458 4.3 30.4 1.0 CB A:ASP428 4.6 24.3 1.0 O A:ALA426 4.8 27.8 1.0 NE2 A:GLN458 4.9 23.4 1.0

M.D.Sacco, K.G.Kroeck, M.T.Kemp, X.Zhang, L.D.Andrews, Y.Chen. Influence of the Alpha-Methoxy Group on the Reaction of Temocillin Withpseudomonas AERUGINOSAPBP3 and Ctx-M-14 Beta-Lactamase. Antimicrob.Agents Chemother. 2019.
ISSN: ESSN 1098-6596
PubMed: 31685462
DOI: 10.1128/AAC.01473-19