Chlorine in PDB 7ak7: Structure of Salmonella TACT2 Toxin Bound to TACA2 Antitoxin

The structure of Structure of Salmonella TACT2 Toxin Bound to TACA2 Antitoxin, PDB code: 7ak7 was solved by G.J.Grabe, R.M.L.Morgan, S.A.Hare, S.Helaine, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	46.66 / 2.14
Space group	P 1
Cell size a, b, c (Å), α, β, γ (°)	49.491, 54.452, 76.9, 100.57, 97.73, 117
R / Rfree (%)	22 / 26.3

The binding sites of Chlorine atom in the Structure of Salmonella TACT2 Toxin Bound to TACA2 Antitoxin (pdb code 7ak7). 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 Structure of Salmonella TACT2 Toxin Bound to TACA2 Antitoxin, PDB code: 7ak7:

Chlorine binding site 1 out of 1 in the Structure of Salmonella TACT2 Toxin Bound to TACA2 Antitoxin


Mono view


Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 1 of Structure of Salmonella TACT2 Toxin Bound to TACA2 Antitoxin within 5.0Å range: probe atom residue distance (Å) B Occ C:Cl101 b:65.4 occ:1.00 NE C:ARG23 3.5 57.9 1.0 NH2 C:ARG37 3.5 38.7 1.0 NH1 C:ARG37 3.5 37.8 1.0 CD C:ARG23 3.6 52.8 1.0 CZ C:ARG37 4.0 36.7 1.0 CZ C:ARG23 4.2 59.7 1.0 CG C:ARG23 4.6 49.5 1.0 O F:THR13 4.6 51.6 1.0 NH2 C:ARG23 4.7 57.8 1.0 NH1 C:ARG23 4.8 58.1 1.0

G.J.Grabe, R.T.Giorgio, A.M.J.Hall, R.M.L.Morgan, L.Dubois, T.A.Sisley, J.A.Rycroft, S.A.Hare, S.Helaine. Auxiliary Interfaces Support the Evolution of Specific Toxin-Antitoxin Pairing Nat.Chem.Biol. 2021.
ISSN: ESSN 1552-4469
DOI: 10.1038/S41589-021-00862-Y