Potassium in PDB 4bi3: Structure and Function of Amidase Toxin - Antitoxin Combinations Associated with the Type VI Secretion System of Serratia Marcescens.

The structure of Structure and Function of Amidase Toxin - Antitoxin Combinations Associated with the Type VI Secretion System of Serratia Marcescens., PDB code: 4bi3 was solved by V.Srikannathasan, G.English, N.K.Bui, K.Trunk, P.E.F.O.Rourke, V.A.Rao, W.Vollmer, S.J.Coulthurst, W.N.Hunter, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	54.23 / 1.85
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	56.828, 65.260, 97.504, 90.00, 90.00, 90.00
R / Rfree (%)	20.732 / 23.685

The binding sites of Potassium atom in the Structure and Function of Amidase Toxin - Antitoxin Combinations Associated with the Type VI Secretion System of Serratia Marcescens. (pdb code 4bi3). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 3 binding sites of Potassium where determined in the Structure and Function of Amidase Toxin - Antitoxin Combinations Associated with the Type VI Secretion System of Serratia Marcescens., PDB code: 4bi3:
Jump to Potassium binding site number: 1; 2; 3;

Potassium binding site 1 out of 3 in the Structure and Function of Amidase Toxin - Antitoxin Combinations Associated with the Type VI Secretion System of Serratia Marcescens.


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Structure and Function of Amidase Toxin - Antitoxin Combinations Associated with the Type VI Secretion System of Serratia Marcescens. within 5.0Å range: probe atom residue distance (Å) B Occ A:K1167 b:14.0 occ:1.00 O A:HOH2138 3.1 7.8 1.0 OG A:SER15 3.2 11.8 1.0 O A:HOH2023 3.6 20.4 1.0 CB A:SER15 3.7 11.5 1.0 OG1 A:THR49 3.8 9.1 1.0 N A:CYS50 3.8 8.8 1.0 CE1 A:HIS133 3.8 8.6 1.0 CA A:CYS50 3.9 8.7 1.0 CB A:CYS50 3.9 9.1 1.0 O A:HOH2071 4.0 9.9 1.0 NE A:ARG53 4.1 9.2 1.0 CD A:ARG53 4.1 8.9 1.0 ND1 A:HIS133 4.3 8.6 1.0 C A:THR49 4.3 8.7 1.0 OG A:SER148 4.4 10.0 1.0 CB A:SER148 4.5 9.9 1.0 O A:HOH2072 4.6 23.2 1.0 N A:THR49 4.7 9.1 1.0 CA A:THR49 4.9 8.8 1.0 O A:THR49 4.9 8.4 1.0 CB A:THR49 4.9 8.9 1.0 CZ A:ARG53 5.0 9.5 1.0

Potassium binding site 2 out of 3 in the Structure and Function of Amidase Toxin - Antitoxin Combinations Associated with the Type VI Secretion System of Serratia Marcescens.


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of Structure and Function of Amidase Toxin - Antitoxin Combinations Associated with the Type VI Secretion System of Serratia Marcescens. within 5.0Å range: probe atom residue distance (Å) B Occ A:K1168 b:15.8 occ:1.00 OG A:SER15 3.5 11.8 1.0 O A:SER148 3.6 10.5 1.0 O A:HOH2023 3.7 20.4 1.0 O A:SER15 3.8 13.2 1.0 C A:SER15 4.0 12.6 1.0 CA A:ASP16 4.0 14.0 1.0 N A:ASP16 4.0 12.9 1.0 CB A:HIS149 4.1 10.3 1.0 C A:SER148 4.2 10.1 1.0 CD2 A:HIS149 4.3 11.5 1.0 CB A:ASP16 4.3 14.0 1.0 CB A:SER15 4.5 11.5 1.0 CG A:HIS149 4.5 10.8 1.0 CB A:SER148 4.6 9.9 1.0 CA A:SER148 4.7 10.0 1.0 CA A:SER15 4.8 11.6 1.0 N A:HIS149 4.8 9.7 1.0

Potassium binding site 3 out of 3 in the Structure and Function of Amidase Toxin - Antitoxin Combinations Associated with the Type VI Secretion System of Serratia Marcescens.


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 3 of Structure and Function of Amidase Toxin - Antitoxin Combinations Associated with the Type VI Secretion System of Serratia Marcescens. within 5.0Å range: probe atom residue distance (Å) B Occ B:K1166 b:7.9 occ:1.00 O B:PHE65 2.6 9.2 1.0 O B:THR80 2.8 8.9 1.0 OG1 B:THR80 3.0 9.4 1.0 CE2 B:PHE65 3.6 8.4 1.0 C B:THR80 3.6 9.1 1.0 N B:THR80 3.7 9.8 1.0 CD2 B:PHE65 3.8 8.5 1.0 CZ B:PHE65 3.8 8.4 1.0 C B:PHE65 3.8 9.2 1.0 CA B:THR80 4.0 9.5 1.0 CG B:PHE65 4.0 8.6 1.0 CB B:THR80 4.1 9.6 1.0 CE1 B:PHE65 4.1 8.5 1.0 CD1 B:PHE65 4.2 8.6 1.0 N B:GLY67 4.2 9.1 1.0 N B:PHE65 4.3 9.3 1.0 CD2 B:LEU59 4.4 8.7 1.0 O B:HOH2078 4.5 5.7 1.0 C B:LYS66 4.5 9.1 1.0 CA B:PHE65 4.6 9.1 1.0 CA B:GLY67 4.6 9.1 1.0 N B:LYS66 4.7 9.2 1.0 CA B:LYS66 4.8 9.3 1.0 N B:ILE81 4.8 8.9 1.0 C B:LYS79 4.9 10.3 1.0 CB B:PHE65 4.9 8.8 1.0 O B:LYS66 5.0 8.9 1.0 CB B:LYS79 5.0 10.7 1.0

V.Srikannathasan, G.English, N.K.Bui, K.Trunk, P.E.F.O.Rourke, V.A.Rao, W.Vollmer, S.J.Coulthurst, W.N.Hunter. Structural Basis For Type VI Secreted Peptidoglycan Dl-Endopeptidase Function, Specificity and Neutralization in Serratia Marcescens Acta Crystallogr.,Sect.D V. 69 2468 2013.
ISSN: ISSN 0907-4449
PubMed: 24311588
DOI: 10.1107/S0907444913022725