Chlorine in PDB 1ct1: Cholera Toxin B-Pentamer Mutant G33R Bound to Receptor Pentasaccharide

The structure of Cholera Toxin B-Pentamer Mutant G33R Bound to Receptor Pentasaccharide, PDB code: 1ct1 was solved by E.A.Merritt, W.G.J.Hol, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	15.00 / 2.30
Space group	C 1 2 1
Cell size a, b, c (Å), α, β, γ (°)	103.400, 67.610, 101.700, 90.00, 131.66, 90.00
R / Rfree (%)	18.2 / 25

The binding sites of Chlorine atom in the Cholera Toxin B-Pentamer Mutant G33R Bound to Receptor Pentasaccharide (pdb code 1ct1). 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 Cholera Toxin B-Pentamer Mutant G33R Bound to Receptor Pentasaccharide, PDB code: 1ct1:

Chlorine binding site 1 out of 1 in the Cholera Toxin B-Pentamer Mutant G33R Bound to Receptor Pentasaccharide


Mono view


Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 1 of Cholera Toxin B-Pentamer Mutant G33R Bound to Receptor Pentasaccharide within 5.0Å range: probe atom residue distance (Å) B Occ H:Cl104 b:31.0 occ:1.00 O H:HOH124 3.3 35.7 1.0 N H:HIS13 3.3 22.8 1.0 CD1 H:TYR12 3.4 29.5 1.0 CB H:TYR12 3.6 24.5 1.0 CA H:TYR12 3.8 22.6 1.0 CG H:TYR12 4.0 27.2 1.0 CD2 H:HIS13 4.1 33.2 1.0 C H:TYR12 4.1 21.6 1.0 CB H:HIS13 4.1 28.3 1.0 CA H:HIS13 4.3 24.5 1.0 CG H:HIS13 4.5 32.6 1.0 CE1 H:TYR12 4.5 31.2 1.0 O H:HIS13 4.5 26.3 1.0 C H:HIS13 4.9 23.9 1.0

E.A.Merritt, S.Sarfaty, M.G.Jobling, T.Chang, R.K.Holmes, T.R.Hirst, W.G.Hol. Structural Studies of Receptor Binding By Cholera Toxin Mutants. Protein Sci. V. 6 1516 1997.
ISSN: ISSN 0961-8368
PubMed: 9232653