Chlorine in PDB 6tbt: Crystal Structure of the BCL6 Btb Domain in Complex with An APT48 Peptide

The structure of Crystal Structure of the BCL6 Btb Domain in Complex with An APT48 Peptide, PDB code: 6tbt was solved by T.Zacharchenko, S.C.Wright, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	56.84 / 1.63
Space group	P 31 2 1
Cell size a, b, c (Å), α, β, γ (°)	65.63, 65.63, 156.4, 90, 90, 120
R / Rfree (%)	15.3 / 17.8

The structure of Crystal Structure of the BCL6 Btb Domain in Complex with An APT48 Peptide also contains other interesting chemical elements:

Magnesium	(Mg)	2 atoms
Sodium	(Na)	1 atom

The binding sites of Chlorine atom in the Crystal Structure of the BCL6 Btb Domain in Complex with An APT48 Peptide (pdb code 6tbt). This binding sites where shown within 5.0 Angstroms radius around Chlorine atom.
In total 5 binding sites of Chlorine where determined in the Crystal Structure of the BCL6 Btb Domain in Complex with An APT48 Peptide, PDB code: 6tbt:
Jump to Chlorine binding site number: 1; 2; 3; 4; 5;

Chlorine binding site 1 out of 5 in the Crystal Structure of the BCL6 Btb Domain in Complex with An APT48 Peptide


Mono view


Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 1 of Crystal Structure of the BCL6 Btb Domain in Complex with An APT48 Peptide within 5.0Å range: probe atom residue distance (Å) B Occ A:Cl201 b:29.5 occ:1.00 O A:HOH338 3.2 30.1 1.0 O B:HOH402 3.3 47.1 1.0 O A:HOH395 3.3 45.8 1.0 N A:HIS116 3.4 23.8 1.0 C A:MET114 3.5 22.9 1.0 N A:VAL117 3.6 22.6 1.0 CB A:MET114 3.6 24.1 1.0 CA A:MET114 3.7 20.7 1.0 CB A:HIS116 3.7 29.8 1.0 N A:GLU115 3.7 24.8 1.0 O A:MET114 3.8 23.8 1.0 CG2 A:VAL117 3.8 24.2 1.0 CA A:HIS116 3.9 26.4 1.0 CD2 A:HIS116 4.2 44.3 1.0 C A:HIS116 4.2 24.5 1.0 CG A:HIS116 4.3 36.3 1.0 C A:GLU115 4.4 25.4 1.0 CB A:VAL117 4.4 23.1 1.0 CG A:MET114 4.5 24.3 1.0 O B:HOH404 4.5 32.2 1.0 CE2 A:PHE89 4.6 23.8 1.0 CA A:VAL117 4.6 22.6 1.0 CA A:GLU115 4.6 26.1 1.0 O A:CYS53 4.7 21.7 1.0 CE A:MET114 4.7 22.4 1.0 CZ A:PHE89 5.0 24.1 1.0

Chlorine binding site 2 out of 5 in the Crystal Structure of the BCL6 Btb Domain in Complex with An APT48 Peptide


Mono view


Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 2 of Crystal Structure of the BCL6 Btb Domain in Complex with An APT48 Peptide within 5.0Å range: probe atom residue distance (Å) B Occ A:Cl202 b:29.8 occ:1.00 NH1 A:ARG67 3.2 33.0 1.0 N B:LEU31 3.2 20.2 1.0 O B:HOH367 3.2 43.2 1.0 O B:HOH378 3.3 35.9 1.0 CD A:ARG67 3.4 27.3 1.0 O A:HOH397 3.6 41.0 1.0 O B:HOH357 3.7 35.6 1.0 CA B:LEU31 3.8 19.5 1.0 NE2 A:GLN64 4.0 40.8 1.0 OE1 A:GLN64 4.1 39.4 1.0 CZ A:ARG67 4.1 32.3 1.0 NE A:ARG67 4.2 30.8 1.0 C B:ILE30 4.2 17.8 1.0 CA B:ILE30 4.2 19.5 1.0 O B:ASP29 4.3 25.0 1.0 CG B:LEU31 4.5 20.4 1.0 CD A:GLN64 4.5 38.7 1.0 CD2 B:LEU31 4.5 21.4 1.0 CG A:ARG67 4.7 26.6 1.0 CB B:LEU31 4.7 18.5 1.0 O B:HOH422 4.7 41.4 1.0 CG2 B:ILE30 4.8 20.7 1.0 C B:LEU31 4.9 19.2 1.0

Chlorine binding site 3 out of 5 in the Crystal Structure of the BCL6 Btb Domain in Complex with An APT48 Peptide


Mono view


Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 3 of Crystal Structure of the BCL6 Btb Domain in Complex with An APT48 Peptide within 5.0Å range: probe atom residue distance (Å) B Occ A:Cl203 b:39.7 occ:1.00 O A:HOH346 3.2 27.6 1.0 N A:ARG40 3.3 28.6 1.0 CB A:ARG40 3.7 31.9 1.0 CB A:SER39 3.7 28.1 1.0 OG A:SER39 3.7 30.3 1.0 CA A:ARG40 3.9 29.2 1.0 O A:VAL38 4.0 24.2 1.0 N A:GLU41 4.0 26.5 1.0 CG A:GLU41 4.0 34.5 1.0 CG A:ARG40 4.2 33.3 1.0 C A:ARG40 4.2 33.5 1.0 C A:SER39 4.4 27.9 1.0 CA A:SER39 4.6 29.5 1.0 CG A:PRO80 4.6 23.8 1.0 CB A:GLU41 4.8 28.3 1.0 CD A:ARG40 4.9 33.9 1.0 CA A:GLU41 5.0 24.5 1.0 C A:VAL38 5.0 25.3 1.0

Chlorine binding site 4 out of 5 in the Crystal Structure of the BCL6 Btb Domain in Complex with An APT48 Peptide


Mono view


Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 4 of Crystal Structure of the BCL6 Btb Domain in Complex with An APT48 Peptide within 5.0Å range: probe atom residue distance (Å) B Occ A:Cl204 b:37.2 occ:1.00 NH1 A:ARG98 3.0 40.8 1.0 N A:GLY100 3.0 23.3 1.0 O A:HOH407 3.1 40.1 1.0 CA A:GLY100 3.6 26.0 1.0 CD A:ARG98 3.7 33.1 1.0 CG A:ARG98 3.7 28.2 1.0 N A:GLU99 4.0 23.0 1.0 CB A:ARG98 4.0 26.1 1.0 CZ A:ARG98 4.1 39.8 1.0 C A:GLU99 4.1 24.9 1.0 CB A:GLU99 4.1 30.2 1.0 CA A:GLU99 4.2 25.6 1.0 NE A:ARG98 4.3 34.2 1.0 C A:ARG98 4.5 23.8 1.0 O A:HOH389 4.6 42.7 1.0 C A:GLY100 4.7 25.2 1.0 CA A:ARG98 4.9 22.7 1.0 N A:ASN101 5.0 25.3 1.0

Chlorine binding site 5 out of 5 in the Crystal Structure of the BCL6 Btb Domain in Complex with An APT48 Peptide


Mono view


Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 5 of Crystal Structure of the BCL6 Btb Domain in Complex with An APT48 Peptide within 5.0Å range: probe atom residue distance (Å) B Occ B:Cl201 b:26.7 occ:1.00 O B:HOH308 3.2 23.9 1.0 O B:HOH417 3.3 49.5 1.0 O A:HOH350 3.3 34.6 1.0 N B:HIS116 3.3 23.4 1.0 C B:MET114 3.5 21.8 1.0 N B:VAL117 3.5 24.2 1.0 CB B:HIS116 3.6 29.7 1.0 CB B:MET114 3.7 19.4 1.0 N B:GLU115 3.8 25.4 1.0 CD2 B:HIS116 3.8 35.8 1.0 CA B:MET114 3.8 21.0 1.0 O B:MET114 3.8 25.0 1.0 CA B:HIS116 3.8 23.3 1.0 CG2 B:VAL117 4.0 22.3 1.0 CG B:HIS116 4.0 30.9 1.0 C B:HIS116 4.2 24.8 1.0 C B:GLU115 4.3 27.1 1.0 CB B:VAL117 4.4 24.6 1.0 CE2 B:PHE89 4.5 18.3 1.0 CG B:MET114 4.6 18.1 1.0 CA B:VAL117 4.6 22.9 1.0 CA B:GLU115 4.6 28.1 1.0 O B:CYS53 4.7 21.1 1.0 O A:HOH327 4.7 30.3 1.0 CE B:MET114 4.8 18.8 1.0 CZ B:PHE89 4.8 20.3 1.0 O B:HOH338 4.8 35.9 1.0

T.Zacharchenko, S.C.Wright. Structure of the BCL6-APT48 Complex To Be Published.