Chlorine in PDB 6lsm: Tubulin Polymerization Inhibitors

The structure of Tubulin Polymerization Inhibitors, PDB code: 6lsm was solved by L.Gang, Y.X.Wang, J.J.Chen, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	29.87 / 2.75
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	105.553, 158.081, 182.23, 90, 90, 90
R / Rfree (%)	18.1 / 22.7

The structure of Tubulin Polymerization Inhibitors also contains other interesting chemical elements:

Magnesium	(Mg)	6 atoms
Calcium	(Ca)	4 atoms

The binding sites of Chlorine atom in the Tubulin Polymerization Inhibitors (pdb code 6lsm). This binding sites where shown within 5.0 Angstroms radius around Chlorine atom.
In total only one binding site of Chlorine was determined in the Tubulin Polymerization Inhibitors, PDB code: 6lsm:

Chlorine binding site 1 out of 1 in the Tubulin Polymerization Inhibitors


Mono view


Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 1 of Tubulin Polymerization Inhibitors within 5.0Å range: probe atom residue distance (Å) B Occ A:Cl504 b:73.1 occ:1.00 NZ A:LYS164 2.8 89.0 1.0 N A:LYS163 3.2 63.9 1.0 CD A:LYS164 3.4 59.6 1.0 N A:GLY162 3.4 59.5 1.0 CE A:LYS164 3.4 77.4 1.0 C A:TYR161 3.6 53.9 1.0 CB A:LYS163 3.6 86.6 1.0 CA A:TYR161 3.7 50.8 1.0 CA A:LYS163 3.9 84.2 1.0 CG A:LYS163 4.0 86.9 1.0 C A:GLY162 4.2 69.3 1.0 CA A:GLY162 4.3 57.8 1.0 O A:TYR161 4.3 77.5 1.0 CB A:TYR161 4.5 39.4 1.0 N A:LYS164 4.6 62.2 1.0 C A:LYS163 4.6 79.1 1.0 N A:TYR161 4.8 76.3 1.0 O A:ASP160 4.9 69.1 1.0 CG A:LYS164 4.9 55.0 1.0

L.Gang, Y.X.Wang, J.J.Chen. Design, Synthesis, and Bioevaluation of Pyrazolo[1,5-A]Pyrimidine Derivatives As Tubulin Polymerization Inhibitors Targeting the Colchicine Binding Site with Potent Anticancer Activities To Be Published.