Chlorine in PDB 4eqb: 1.5 Angstrom Crystal Structure of Spermidine/Putrescine Abc Transporter Substrate-Binding Protein Potd From Streptococcus Pneumoniae Strain Canada MDR_19A in Complex with Calcium and Hepes

The structure of 1.5 Angstrom Crystal Structure of Spermidine/Putrescine Abc Transporter Substrate-Binding Protein Potd From Streptococcus Pneumoniae Strain Canada MDR_19A in Complex with Calcium and Hepes, PDB code: 4eqb was solved by G.Minasov, Z.Wawrzak, P.J.Stogios, M.Kudritska, V.Yim, A.Savchenko, W.F.Anderson, Center For Structural Genomics Of Infectious Diseases(Csgid), with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	29.10 / 1.50
Space group	P 1
Cell size a, b, c (Å), α, β, γ (°)	45.635, 54.347, 76.704, 75.83, 80.87, 77.56
R / Rfree (%)	15.5 / 18.6

The structure of 1.5 Angstrom Crystal Structure of Spermidine/Putrescine Abc Transporter Substrate-Binding Protein Potd From Streptococcus Pneumoniae Strain Canada MDR_19A in Complex with Calcium and Hepes also contains other interesting chemical elements:

Calcium

(Ca)

8 atoms

The binding sites of Chlorine atom in the 1.5 Angstrom Crystal Structure of Spermidine/Putrescine Abc Transporter Substrate-Binding Protein Potd From Streptococcus Pneumoniae Strain Canada MDR_19A in Complex with Calcium and Hepes (pdb code 4eqb). This binding sites where shown within 5.0 Angstroms radius around Chlorine atom.
In total 2 binding sites of Chlorine where determined in the 1.5 Angstrom Crystal Structure of Spermidine/Putrescine Abc Transporter Substrate-Binding Protein Potd From Streptococcus Pneumoniae Strain Canada MDR_19A in Complex with Calcium and Hepes, PDB code: 4eqb:
Jump to Chlorine binding site number: 1; 2;

Chlorine binding site 1 out of 2 in the 1.5 Angstrom Crystal Structure of Spermidine/Putrescine Abc Transporter Substrate-Binding Protein Potd From Streptococcus Pneumoniae Strain Canada MDR_19A in Complex with Calcium and Hepes


Mono view


Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 1 of 1.5 Angstrom Crystal Structure of Spermidine/Putrescine Abc Transporter Substrate-Binding Protein Potd From Streptococcus Pneumoniae Strain Canada MDR_19A in Complex with Calcium and Hepes within 5.0Å range: probe atom residue distance (Å) B Occ A:Cl405 b:20.3 occ:0.75 O A:HOH619 3.2 23.0 1.0 N A:GLU288 3.3 11.0 1.0 O A:HOH570 3.3 17.4 1.0 CD A:PRO287 3.5 11.0 1.0 N A:PRO287 3.6 9.9 1.0 CG A:GLU288 3.6 13.2 1.0 CB A:GLU288 3.8 12.5 1.0 CB A:LYS286 3.9 12.9 1.0 C A:LYS286 4.0 11.6 1.0 CD A:GLU288 4.0 13.7 1.0 CA A:GLU288 4.1 10.9 1.0 CA A:PRO287 4.2 11.2 1.0 C A:PRO287 4.2 10.7 1.0 CA A:LYS286 4.2 11.7 1.0 CB A:PRO287 4.2 11.6 1.0 OE2 A:GLU288 4.3 15.2 1.0 CG A:PRO287 4.4 12.5 1.0 O A:HOH648 4.6 25.1 1.0 OE1 A:GLU288 4.6 12.3 1.0 CG A:LYS286 4.7 14.8 1.0 O A:LYS286 4.7 10.8 1.0 CD A:LYS286 4.7 23.3 1.0 O A:HOH543 4.8 17.7 1.0

Chlorine binding site 2 out of 2 in the 1.5 Angstrom Crystal Structure of Spermidine/Putrescine Abc Transporter Substrate-Binding Protein Potd From Streptococcus Pneumoniae Strain Canada MDR_19A in Complex with Calcium and Hepes


Mono view


Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 2 of 1.5 Angstrom Crystal Structure of Spermidine/Putrescine Abc Transporter Substrate-Binding Protein Potd From Streptococcus Pneumoniae Strain Canada MDR_19A in Complex with Calcium and Hepes within 5.0Å range: probe atom residue distance (Å) B Occ B:Cl405 b:20.0 occ:0.75 O A:HOH649 3.2 24.4 1.0 O A:HOH682 3.3 25.0 1.0 O B:HOH550 3.3 18.6 1.0 N B:GLU288 3.3 12.4 1.0 O A:HOH754 3.4 29.2 1.0 CD B:PRO287 3.5 12.6 1.0 N B:PRO287 3.5 12.1 1.0 CG B:GLU288 3.6 14.1 1.0 CB B:LYS286 3.8 15.0 1.0 CB B:GLU288 3.9 13.8 1.0 C B:LYS286 3.9 12.5 1.0 CD B:GLU288 4.1 14.8 1.0 CA B:LYS286 4.2 13.5 1.0 CA B:GLU288 4.2 12.6 1.0 CA B:PRO287 4.2 13.3 1.0 C B:PRO287 4.2 11.6 1.0 CG A:PRO48 4.2 14.8 1.0 CB B:PRO287 4.3 15.2 1.0 CG B:PRO287 4.3 14.7 1.0 O A:HOH521 4.4 16.3 1.0 OE2 B:GLU288 4.4 16.6 1.0 O A:HOH721 4.6 27.7 1.0 CG B:LYS286 4.6 15.7 1.0 CD B:LYS286 4.7 23.4 1.0 O B:LYS286 4.7 12.8 1.0 OE1 B:GLU288 4.7 13.6 1.0 OD1 A:ASP44 4.8 29.9 1.0 O B:HOH519 4.8 17.2 1.0

G.Minasov, Z.Wawrzak, P.J.Stogios, M.Kudritska, V.Yim, A.Savchenko, W.F.Anderson, Center For Structural Genomics Of Infectious Diseases(Csgid). 1.5 Angstrom Crystal Structure of Spermidine/Putrescine Abc Transporter Substrate-Binding Protein From Streptococcus Pneumoniae Strain Canada MDR_19A in Complex with Calcium and Hepes. To Be Published.