Potassium in PDB 4yu5: Crystal Structure of Selenomethionine Variant of Bacillus Anthracis Immune Inhibitor A2 Peptidase Zymogen

The structure of Crystal Structure of Selenomethionine Variant of Bacillus Anthracis Immune Inhibitor A2 Peptidase Zymogen, PDB code: 4yu5 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)	42.46 / 2.90
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	97.610, 102.410, 242.880, 90.00, 90.00, 90.00
R / Rfree (%)	18.2 / 20.7

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

Zinc	(Zn)	2 atoms
Calcium	(Ca)	8 atoms

The binding sites of Potassium atom in the Crystal Structure of Selenomethionine Variant of Bacillus Anthracis Immune Inhibitor A2 Peptidase Zymogen (pdb code 4yu5). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total only one binding site of Potassium was determined in the Crystal Structure of Selenomethionine Variant of Bacillus Anthracis Immune Inhibitor A2 Peptidase Zymogen, PDB code: 4yu5:

Potassium binding site 1 out of 1 in the Crystal Structure of Selenomethionine Variant 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 Selenomethionine Variant of Bacillus Anthracis Immune Inhibitor A2 Peptidase Zymogen within 5.0Å range: probe atom residue distance (Å) B Occ B:K1006 b:78.1 occ:1.00 OE1 B:GLN154 3.6 61.8 1.0 OG1 B:THR467 3.7 48.8 1.0 O B:VAL466 4.3 53.8 1.0 CA B:THR467 4.4 46.2 1.0 CD B:GLN154 4.6 62.6 1.0 CB B:THR467 4.6 45.6 1.0 C B:VAL466 4.6 51.0 1.0 N B:THR467 4.7 47.0 1.0 CG2 B:VAL466 4.7 44.9 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