Potassium in PDB 7ztn: Crystal Structure of Fungal CE16 Acetyl Xylan Esterase

The structure of Crystal Structure of Fungal CE16 Acetyl Xylan Esterase, PDB code: 7ztn was solved by M.Dimarogona, C.Kosinas, C.Pentari, A.Zerva, E.Topakas, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	79.65 / 1.45
Space group	P 31 2 1
Cell size a, b, c (Å), α, β, γ (°)	91.825, 91.825, 162.462, 90, 90, 120
R / Rfree (%)	13.9 / 17.1

The binding sites of Potassium atom in the Crystal Structure of Fungal CE16 Acetyl Xylan Esterase (pdb code 7ztn). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 2 binding sites of Potassium where determined in the Crystal Structure of Fungal CE16 Acetyl Xylan Esterase, PDB code: 7ztn:
Jump to Potassium binding site number: 1; 2;

Potassium binding site 1 out of 2 in the Crystal Structure of Fungal CE16 Acetyl Xylan Esterase


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Crystal Structure of Fungal CE16 Acetyl Xylan Esterase within 5.0Å range: probe atom residue distance (Å) B Occ B:K404 b:34.5 occ:1.00 O B:ALA64 2.6 33.0 1.0 O B:HIS8 2.7 36.8 1.0 O B:HOH767 2.7 44.8 1.0 O B:PHE10 2.7 30.6 1.0 O B:HIS5 2.8 47.0 1.0 C B:HIS5 3.8 46.8 1.0 C B:ALA64 3.9 33.4 1.0 C B:PHE10 3.9 30.5 1.0 C B:HIS8 3.9 36.5 1.0 N B:PHE10 4.3 31.6 1.0 CB B:HIS8 4.4 33.9 1.0 O B:GLY65 4.5 34.5 1.0 OE1 B:GLU11 4.6 42.7 0.5 CA B:HIS8 4.6 35.0 1.0 N B:LYS6 4.6 49.2 1.0 C B:GLY65 4.6 32.7 1.0 CA B:LYS6 4.7 50.5 1.0 CA B:HIS5 4.7 46.7 1.0 CA B:ALA64 4.7 31.8 1.0 N B:GLU11 4.7 29.6 0.5 CA B:PHE10 4.7 30.5 1.0 N B:GLU11 4.7 29.4 0.5 N B:HIS8 4.8 40.9 1.0 N B:GLY65 4.8 32.6 1.0 CA B:GLU11 4.8 30.6 0.5 CA B:GLU11 4.9 30.4 0.5 CA B:GLY65 4.9 33.9 1.0 CB B:ALA64 4.9 30.3 1.0 CD B:GLU11 4.9 39.2 0.5 CB B:HIS5 4.9 47.3 1.0 N B:ASN9 5.0 34.4 1.0

Potassium binding site 2 out of 2 in the Crystal Structure of Fungal CE16 Acetyl Xylan Esterase


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of Crystal Structure of Fungal CE16 Acetyl Xylan Esterase within 5.0Å range: probe atom residue distance (Å) B Occ A:K408 b:34.1 occ:1.00 O A:HOH680 3.4 30.2 1.0 CE1 A:TYR165 3.8 23.8 1.0 CD1 A:TYR165 3.8 23.3 1.0 CG A:LYS166 3.8 26.3 1.0 CA A:LYS166 3.9 23.9 1.0 CB A:LYS166 4.3 24.9 1.0 O A:HOH561 4.4 35.1 1.0 O A:TYR165 4.4 22.9 1.0 O A:LYS166 4.6 26.4 1.0 O A:HOH663 4.6 26.2 1.0 N A:LYS166 4.6 22.5 1.0 C A:LYS166 4.7 24.7 1.0 C A:TYR165 4.7 22.7 1.0 CD A:LYS166 4.9 30.3 1.0

M.Dimarogona, C.Kosinas, C.Pentari, A.Zerva, E.Topakas. Crystal Structure of Fungal CE16 Acetyl Xylan Esterase To Be Published.