Chlorine in PDB 1qul: Phosphate-Binding Protein Mutant with Asp 137 Replaced By Thr Complex with Chlorine and Phosphate

The structure of Phosphate-Binding Protein Mutant with Asp 137 Replaced By Thr Complex with Chlorine and Phosphate, PDB code: 1qul was solved by N.Yao, A.Choudhary, P.S.Ledvina, F.A.Quiocho, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	8.00 / 1.70
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	41.970, 63.980, 123.970, 90.00, 90.00, 90.00
R / Rfree (%)	18.7 / 20.5

The binding sites of Chlorine atom in the Phosphate-Binding Protein Mutant with Asp 137 Replaced By Thr Complex with Chlorine and Phosphate (pdb code 1qul). 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 Phosphate-Binding Protein Mutant with Asp 137 Replaced By Thr Complex with Chlorine and Phosphate, PDB code: 1qul:

Chlorine binding site 1 out of 1 in the Phosphate-Binding Protein Mutant with Asp 137 Replaced By Thr Complex with Chlorine and Phosphate


Mono view


Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 1 of Phosphate-Binding Protein Mutant with Asp 137 Replaced By Thr Complex with Chlorine and Phosphate within 5.0Å range: probe atom residue distance (Å) B Occ A:Cl323 b:23.6 occ:1.00 O A:HOH585 2.8 22.4 1.0 O A:HOH660 2.9 3.1 1.0 N A:GLY176 2.9 3.2 1.0 NE A:ARG135 3.2 2.3 1.0 NH2 A:ARG135 3.6 2.0 1.0 OG1 A:THR137 3.7 9.2 1.0 CA A:LYS175 3.7 4.2 1.0 C A:LYS175 3.8 3.3 1.0 CA A:GLY176 3.8 2.0 1.0 CZ A:ARG135 3.9 2.9 1.0 N A:THR137 3.9 4.8 1.0 O A:GLY174 4.0 3.9 1.0 N A:ALA136 4.1 4.7 1.0 CD A:ARG135 4.2 2.0 1.0 CG A:LYS175 4.3 9.8 1.0 O A:THR137 4.4 5.0 1.0 CB A:ARG135 4.5 2.6 1.0 CB A:LYS175 4.5 6.7 1.0 CB A:ALA136 4.6 7.6 1.0 CA A:ALA136 4.7 5.3 1.0 CA A:THR137 4.7 5.1 1.0 CB A:THR137 4.7 5.2 1.0 N A:LYS175 4.8 2.9 1.0 C A:ALA136 4.8 6.8 1.0 C A:GLY174 4.8 2.7 1.0 C A:THR137 4.8 4.6 1.0 C A:GLY176 4.8 2.3 1.0 O A:HOH433 4.9 12.4 1.0 CG A:ARG135 4.9 3.1 1.0 C A:ARG135 4.9 4.5 1.0 CA A:ARG135 4.9 4.3 1.0 O A:LYS175 4.9 2.0 1.0

N.Yao, P.S.Ledvina, A.Choudhary, F.A.Quiocho. Modulation of A Salt Link Does Not Affect Binding of Phosphate to Its Specific Active Transport Receptor. Biochemistry V. 35 2079 1996.
ISSN: ISSN 0006-2960
PubMed: 8652549
DOI: 10.1021/BI952686R