Chlorine in PDB 7by5: Tetanus Neurotoxin Mutant-(H233A/E234Q/H237A/Y375F)

All present enzymatic activity of Tetanus Neurotoxin Mutant-(H233A/E234Q/H237A/Y375F):
3.4.24.68;

The structure of Tetanus Neurotoxin Mutant-(H233A/E234Q/H237A/Y375F), PDB code: 7by5 was solved by C.M.Zhang, Y.Imoto, Y.Fukuda, E.Yamashita, T.Inoue, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	48.28 / 2.27
Space group	P 31 2 1
Cell size a, b, c (Å), α, β, γ (°)	145.542, 145.542, 129.038, 90, 90, 120
R / Rfree (%)	18.6 / 23.3

The structure of Tetanus Neurotoxin Mutant-(H233A/E234Q/H237A/Y375F) also contains other interesting chemical elements:

Sodium

(Na)

3 atoms

The binding sites of Chlorine atom in the Tetanus Neurotoxin Mutant-(H233A/E234Q/H237A/Y375F) (pdb code 7by5). 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 Tetanus Neurotoxin Mutant-(H233A/E234Q/H237A/Y375F), PDB code: 7by5:

Chlorine binding site 1 out of 1 in the Tetanus Neurotoxin Mutant-(H233A/E234Q/H237A/Y375F)


Mono view


Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 1 of Tetanus Neurotoxin Mutant-(H233A/E234Q/H237A/Y375F) within 5.0Å range: probe atom residue distance (Å) B Occ A:Cl1413 b:90.2 occ:1.00 NH1 A:ARG1226 3.6 55.6 1.0 O A:HOH2164 3.6 76.6 1.0 ND2 A:ASN1216 4.1 63.4 1.0 N A:ASN1216 4.3 57.2 1.0 CG A:ASN1216 4.4 64.9 1.0 NH2 A:ARG1226 4.4 54.1 1.0 CZ A:ARG1226 4.4 55.9 1.0 CA A:GLY1215 4.7 58.5 1.0 OD1 A:ASN1216 4.7 68.2 1.0 CB A:ASN1216 4.9 63.7 1.0

C.M.Zhang, T.Inoue. 2.3 A Crystal Structure of Tetanus Neurotoxin Light Chain To Be Published.