Magnesium 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:

Sodium	(Na)	1 atom
Chlorine	(Cl)	5 atoms

The binding sites of Magnesium 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 Magnesium atom.
In total 2 binding sites of Magnesium where determined in the Crystal Structure of the BCL6 Btb Domain in Complex with An APT48 Peptide, PDB code: 6tbt:
Jump to Magnesium binding site number: 1; 2;

Magnesium binding site 1 out of 2 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 Magnesium with other atoms in the Mg 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 B:Mg202 b:45.7 occ:1.00 O B:ASP33 3.6 18.9 1.0 C B:ASP33 3.7 17.4 1.0 CA B:ASP33 3.7 18.7 1.0 OG B:SER70 3.7 34.6 1.0 NH2 B:ARG44 3.8 25.3 0.5 O B:HOH387 3.9 39.0 1.0 CB B:SER70 4.1 30.2 1.0 O B:HOH351 4.3 34.9 1.0 O B:THR32 4.3 19.8 1.0 N B:VAL34 4.4 17.3 1.0 CB B:ASP33 4.6 19.7 1.0 N B:ASP33 4.7 16.5 1.0 CA B:SER70 4.7 25.9 1.0 O B:HOH439 4.8 45.4 1.0 NA B:NA205 4.8 35.8 1.0 NH1 B:ARG44 4.8 22.2 0.5 CZ B:ARG44 4.8 23.1 0.5 C B:THR32 4.9 17.8 1.0 CA B:VAL34 5.0 17.7 1.0

Magnesium binding site 2 out of 2 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 Magnesium with other atoms in the Mg 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 B:Mg203 b:58.9 occ:1.00 O B:GLY100 3.2 32.2 1.0 O B:HOH342 3.4 30.3 1.0 CB B:ALA104 3.5 27.6 1.0 N B:ALA104 3.6 27.4 1.0 CA B:ASN101 3.9 26.5 1.0 C B:GLY100 4.1 30.9 1.0 C B:ASN101 4.1 27.2 1.0 CA B:ALA104 4.1 26.6 1.0 O B:ASN101 4.2 25.0 1.0 N B:ASN101 4.4 25.6 1.0 N B:MET103 4.4 25.4 1.0 CB B:MET103 4.5 32.2 1.0 C B:MET103 4.6 25.7 1.0 N B:ILE102 4.7 22.9 1.0 CA B:MET103 4.7 28.6 1.0 CB B:ASN101 5.0 24.1 1.0

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