Potassium in PDB 4yu6: Crystal Structure of Bacillus Anthracis Immune Inhibitor A2 Peptidase Zymogen

The structure of Crystal Structure of Bacillus Anthracis Immune Inhibitor A2 Peptidase Zymogen, PDB code: 4yu6 was solved by J.L.Arolas, T.Goulas, F.X.Gomis-Ruth, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	47.67 / 2.60
Space group	C 1 2 1
Cell size a, b, c (Å), α, β, γ (°)	176.980, 108.870, 100.410, 90.00, 119.07, 90.00
R / Rfree (%)	17.1 / 21.1

The structure of Crystal Structure of Bacillus Anthracis Immune Inhibitor A2 Peptidase Zymogen also contains other interesting chemical elements:

Zinc	(Zn)	2 atoms
Calcium	(Ca)	9 atoms
Sodium	(Na)	2 atoms

The binding sites of Potassium atom in the Crystal Structure of Bacillus Anthracis Immune Inhibitor A2 Peptidase Zymogen (pdb code 4yu6). 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 Bacillus Anthracis Immune Inhibitor A2 Peptidase Zymogen, PDB code: 4yu6:
Jump to Potassium binding site number: 1; 2;

Potassium binding site 1 out of 2 in the Crystal Structure of Bacillus Anthracis Immune Inhibitor A2 Peptidase Zymogen


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 Bacillus Anthracis Immune Inhibitor A2 Peptidase Zymogen within 5.0Å range: probe atom residue distance (Å) B Occ A:K1009 b:86.0 occ:1.00 OE1 A:GLN154 3.5 56.9 1.0 OG1 A:THR467 3.6 53.2 1.0 O A:VAL466 3.8 40.6 1.0 CA A:THR467 4.2 40.1 1.0 C A:VAL466 4.4 41.9 1.0 CB A:THR467 4.4 51.2 1.0 CD A:GLN154 4.5 59.9 1.0 N A:THR467 4.6 39.1 1.0 CG2 A:THR467 4.7 50.5 1.0 CG2 A:VAL466 4.9 37.8 1.0

Potassium binding site 2 out of 2 in the Crystal Structure of Bacillus Anthracis Immune Inhibitor A2 Peptidase Zymogen


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 Bacillus Anthracis Immune Inhibitor A2 Peptidase Zymogen within 5.0Å range: probe atom residue distance (Å) B Occ B:K1006 b:80.0 occ:1.00 O B:ASP621 2.4 49.1 1.0 O B:HIS494 2.7 43.9 1.0 OD1 B:ASP606 2.8 50.8 1.0 OE2 B:GLU623 2.8 61.4 1.0 OD2 B:ASP606 3.1 67.6 1.0 CG B:ASP606 3.3 53.7 1.0 O B:PHE491 3.3 75.3 1.0 C B:ASP621 3.5 47.1 1.0 CB B:ASP621 3.8 46.5 1.0 CD B:GLU623 3.9 58.9 1.0 CE1 B:HIS607 3.9 49.0 1.0 C B:HIS494 3.9 44.3 1.0 CA B:ASP621 4.0 44.6 1.0 NE2 B:HIS607 4.0 48.8 1.0 CG B:GLU623 4.1 45.8 1.0 CA B:GLY492 4.2 60.2 1.0 C B:PHE491 4.4 73.7 1.0 N B:HIS494 4.4 43.8 1.0 CG B:ASP621 4.6 65.7 1.0 ND1 B:HIS607 4.6 49.0 1.0 C B:GLY492 4.7 59.8 1.0 N B:ALA622 4.7 40.0 1.0 CA B:HIS494 4.7 41.9 1.0 N B:GLY492 4.8 63.5 1.0 CB B:ASP606 4.8 41.6 1.0 CD2 B:HIS607 4.9 47.9 1.0 N B:LYS493 4.9 51.7 1.0 N B:ALA495 4.9 39.8 1.0 OD2 B:ASP621 4.9 73.8 1.0

J.L.Arolas, T.Goulas, A.P.Pomerantsev, S.H.Leppla, F.X.Gomis-Ruth. Structural Basis For Latency and Function of Immune Inhibitor A Metallopeptidase, A Modulator of the Bacillus Anthracis Secretome. Structure V. 24 25 2016.
ISSN: ISSN 0969-2126
PubMed: 26745529
DOI: 10.1016/J.STR.2015.10.015