Potassium in PDB 1kax: 70KD Heat Shock Cognate Protein Atpase Domain, K71M Mutant

All present enzymatic activity of 70KD Heat Shock Cognate Protein Atpase Domain, K71M Mutant:
3.6.1.3;

The structure of 70KD Heat Shock Cognate Protein Atpase Domain, K71M Mutant, PDB code: 1kax was solved by M.C.O'brien, K.M.Flaherty, D.B.Mckay, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	6.00 / 1.70
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	143.900, 64.600, 46.200, 90.00, 90.00, 90.00
R / Rfree (%)	21.5 / 26.4

The structure of 70KD Heat Shock Cognate Protein Atpase Domain, K71M Mutant also contains other interesting chemical elements:

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

The binding sites of Potassium atom in the 70KD Heat Shock Cognate Protein Atpase Domain, K71M Mutant (pdb code 1kax). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 3 binding sites of Potassium where determined in the 70KD Heat Shock Cognate Protein Atpase Domain, K71M Mutant, PDB code: 1kax:
Jump to Potassium binding site number: 1; 2; 3;

Potassium binding site 1 out of 3 in the 70KD Heat Shock Cognate Protein Atpase Domain, K71M Mutant


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of 70KD Heat Shock Cognate Protein Atpase Domain, K71M Mutant within 5.0Å range: probe atom residue distance (Å) B Occ A:K490 b:11.8 occ:1.00 O A:TYR15 2.6 8.4 1.0 O A:HOH1071 2.6 10.0 1.0 O2B A:ATP486 2.7 6.6 1.0 OD2 A:ASP10 2.8 8.6 1.0 O A:HOH1057 3.1 8.4 1.0 CG A:ASP10 3.2 5.6 1.0 OD1 A:ASP10 3.3 6.4 1.0 O A:HOH1060 3.3 12.2 1.0 N A:GLY12 3.4 11.0 1.0 CA A:GLY12 3.5 10.6 1.0 O A:ASP10 3.6 9.2 1.0 C A:TYR15 3.6 8.1 1.0 PB A:ATP486 3.7 8.1 1.0 MG A:MG487 3.7 10.9 1.0 O1B A:ATP486 3.8 12.9 1.0 C A:LEU11 4.1 10.8 1.0 CA A:SER16 4.2 8.7 1.0 C A:ASP10 4.2 9.0 1.0 N A:SER16 4.3 7.3 1.0 CB A:ASP10 4.3 6.1 1.0 O2A A:ATP486 4.4 7.1 1.0 O3A A:ATP486 4.5 8.9 1.0 O A:LEU11 4.6 16.2 1.0 CA A:TYR15 4.6 7.3 1.0 N A:LEU11 4.7 12.3 1.0 C A:SER16 4.7 7.5 1.0 N A:CYS17 4.7 7.6 1.0 C A:GLY12 4.7 11.5 1.0 CA A:LEU11 4.8 11.7 1.0 PA A:ATP486 4.8 8.3 1.0 O A:HOH1097 4.8 9.3 1.0 CB A:TYR15 4.8 8.5 1.0 N A:TYR15 4.9 8.9 1.0 CA A:ASP10 4.9 7.8 1.0 O1A A:ATP486 4.9 10.3 1.0 O A:ASP366 5.0 7.1 1.0

Potassium binding site 2 out of 3 in the 70KD Heat Shock Cognate Protein Atpase Domain, K71M Mutant


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of 70KD Heat Shock Cognate Protein Atpase Domain, K71M Mutant within 5.0Å range: probe atom residue distance (Å) B Occ A:K491 b:11.6 occ:1.00 OD2 A:ASP206 2.8 12.2 1.0 OG1 A:THR204 2.8 9.3 1.0 O3G A:ATP486 3.0 16.0 1.0 OD1 A:ASP199 3.1 7.0 1.0 O A:THR204 3.1 8.9 1.0 O2G A:ATP486 3.1 13.8 1.0 O A:HOH1061 3.2 14.4 1.0 CG A:ASP199 3.4 5.5 1.0 O A:HOH1058 3.5 6.8 1.0 PG A:ATP486 3.6 15.3 1.0 O A:ASP199 3.6 9.4 1.0 C A:THR204 3.7 9.2 1.0 N A:GLY201 3.7 8.5 1.0 O A:HOH1059 3.8 10.7 1.0 OD2 A:ASP199 3.8 10.8 1.0 CG A:ASP206 4.0 13.4 1.0 CB A:THR204 4.1 9.6 1.0 K A:K492 4.1 15.3 1.0 MG A:MG487 4.1 10.9 1.0 CA A:GLY201 4.2 7.4 1.0 CB A:ASP199 4.2 7.2 1.0 C A:ASP199 4.2 6.0 1.0 N A:PHE205 4.3 8.3 1.0 CA A:THR204 4.4 7.9 1.0 N A:ASP206 4.4 6.5 1.0 O A:HOH1062 4.4 20.5 1.0 CA A:PHE205 4.5 7.2 1.0 O3B A:ATP486 4.6 8.9 1.0 CB A:ASP206 4.6 8.3 1.0 C A:LEU200 4.7 8.7 1.0 N A:LEU200 4.7 5.8 1.0 C A:PHE205 4.8 7.5 1.0 N A:THR204 4.8 7.8 1.0 O1G A:ATP486 4.8 15.1 1.0 CA A:ASP199 4.8 5.8 1.0 CA A:LEU200 4.9 7.0 1.0 OD1 A:ASP206 4.9 16.5 1.0

Potassium binding site 3 out of 3 in the 70KD Heat Shock Cognate Protein Atpase Domain, K71M Mutant


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 3 of 70KD Heat Shock Cognate Protein Atpase Domain, K71M Mutant within 5.0Å range: probe atom residue distance (Å) B Occ A:K492 b:15.3 occ:1.00 OH A:TYR149 2.7 7.3 1.0 OG1 A:THR204 2.7 9.3 1.0 O A:HOH1061 2.7 14.4 1.0 OD2 A:ASP206 2.8 12.2 1.0 O A:HOH1082 3.1 14.4 1.0 OD1 A:ASP206 3.2 16.5 1.0 CB A:THR204 3.3 9.6 1.0 CG A:ASP206 3.4 13.4 1.0 O A:HOH1068 3.6 16.8 1.0 CZ A:TYR149 3.7 6.7 1.0 CG2 A:THR204 3.7 7.0 1.0 O A:HOH1083 3.8 17.1 1.0 CE2 A:TYR149 3.9 7.7 1.0 CG A:PRO147 4.0 6.7 1.0 K A:K491 4.1 11.6 1.0 CB A:PRO147 4.2 6.8 1.0 O A:HOH1062 4.3 20.5 1.0 O A:HOH1081 4.4 15.8 1.0 CA A:THR204 4.8 7.9 1.0 CB A:ASP206 4.8 8.3 1.0 O3G A:ATP486 4.9 16.0 1.0 CE1 A:TYR149 4.9 4.5 1.0

M.C.O'brien, K.M.Flaherty, D.B.Mckay. Lysine 71 of the Chaperone Protein HSC70 Is Essential For Atp Hydrolysis. J.Biol.Chem. V. 271 15874 1996.
ISSN: ISSN 0021-9258
PubMed: 8663302
DOI: 10.1074/JBC.271.27.15874