Potassium in PDB 1qqn: D206S Mutant of Bovine 70 Kilodalton Heat Shock Protein

The structure of D206S Mutant of Bovine 70 Kilodalton Heat Shock Protein, PDB code: 1qqn was solved by E.R.Johnson, D.B.Mckay, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	40.00 / 1.90
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	143.768, 64.424, 46.486, 90.00, 90.00, 90.00
R / Rfree (%)	19.7 / 22.9

The structure of D206S Mutant of Bovine 70 Kilodalton Heat Shock Protein also contains other interesting chemical elements:

Magnesium	(Mg)	1 atom
Chlorine	(Cl)	2 atoms

The binding sites of Potassium atom in the D206S Mutant of Bovine 70 Kilodalton Heat Shock Protein (pdb code 1qqn). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 2 binding sites of Potassium where determined in the D206S Mutant of Bovine 70 Kilodalton Heat Shock Protein, PDB code: 1qqn:
Jump to Potassium binding site number: 1; 2;

Potassium binding site 1 out of 2 in the D206S Mutant of Bovine 70 Kilodalton Heat Shock Protein


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of D206S Mutant of Bovine 70 Kilodalton Heat Shock Protein within 5.0Å range: probe atom residue distance (Å) B Occ A:K490 b:20.2 occ:1.00 O A:HOH558 2.6 7.9 1.0 O A:TYR15 2.9 9.2 1.0 OD1 A:ASP10 2.9 8.5 1.0 O A:HOH562 3.0 12.2 1.0 O A:HOH563 3.1 23.4 1.0 O2B A:ADP486 3.2 26.9 1.0 O3B A:ADP486 3.3 27.3 1.0 CG A:ASP10 3.5 9.0 1.0 OD2 A:ASP10 3.5 8.2 1.0 PB A:ADP486 3.6 26.9 1.0 O3A A:ADP486 3.6 28.4 1.0 MG A:MG487 3.6 12.5 1.0 CA A:GLY12 3.8 8.2 1.0 C A:TYR15 3.8 9.4 1.0 PA A:ADP486 4.0 28.1 1.0 O2A A:ADP486 4.1 29.2 1.0 N A:GLY12 4.2 7.9 1.0 O A:HOH837 4.3 21.7 1.0 CB A:TYR15 4.5 10.8 1.0 CA A:TYR15 4.6 9.7 1.0 N A:SER16 4.6 8.9 1.0 CA A:SER16 4.6 8.5 1.0 CB A:ASP10 4.7 8.1 1.0 N A:TYR15 4.7 9.3 1.0 O A:ASP10 4.7 8.1 1.0 O A:HOH831 4.7 8.7 1.0 O A:ASP366 4.8 11.3 1.0 O A:HOH551 4.8 4.4 1.0 O3 A:PO4488 4.8 13.3 1.0 C A:GLY12 4.9 8.3 1.0

Potassium binding site 2 out of 2 in the D206S Mutant of Bovine 70 Kilodalton Heat Shock Protein


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of D206S Mutant of Bovine 70 Kilodalton Heat Shock Protein within 5.0Å range: probe atom residue distance (Å) B Occ A:K491 b:29.4 occ:1.00 O A:HOH560 2.6 17.6 1.0 O2 A:PO4488 3.0 13.2 1.0 O A:THR204 3.1 13.4 1.0 OG1 A:THR204 3.1 12.7 1.0 OD1 A:ASP199 3.1 11.6 1.0 O A:HOH538 3.4 20.3 1.0 CG A:ASP199 3.4 11.5 1.0 O A:ASP199 3.4 10.3 1.0 N A:GLY201 3.5 10.5 1.0 O A:HOH832 3.7 10.1 1.0 C A:THR204 3.7 12.8 1.0 OD2 A:ASP199 3.8 11.2 1.0 O4 A:PO4488 3.9 14.1 1.0 MG A:MG487 3.9 12.5 1.0 C A:ASP199 3.9 10.7 1.0 P A:PO4488 3.9 14.4 1.0 CA A:GLY201 4.0 10.1 1.0 CB A:ASP199 4.1 11.0 1.0 O A:HOH508 4.1 25.2 1.0 O A:HOH561 4.2 11.6 1.0 CB A:THR204 4.3 12.6 1.0 C A:LEU200 4.3 10.3 1.0 N A:PHE205 4.3 12.7 1.0 N A:LEU200 4.4 10.4 1.0 O1 A:PO4488 4.4 14.2 1.0 CA A:THR204 4.4 12.3 1.0 CA A:LEU200 4.5 10.5 1.0 CA A:PHE205 4.5 12.8 1.0 O2B A:ADP486 4.6 26.9 1.0 CA A:ASP199 4.6 10.7 1.0 OG A:SER206 4.7 14.1 1.0 N A:THR204 4.7 11.7 1.0 N A:SER206 4.8 12.6 1.0 C A:PHE205 4.9 12.7 1.0

E.R.Johnson, D.B.Mckay. Mapping the Role of Active Site Residues For Transducing An Atp-Induced Conformational Change in the Bovine 70-kDa Heat Shock Cognate Protein. Biochemistry V. 38 10823 1999.
ISSN: ISSN 0006-2960
PubMed: 10451379
DOI: 10.1021/BI990816G