Potassium in PDB 2qxl: Crystal Structure Analysis of SSE1, A Yeast HSP110

The structure of Crystal Structure Analysis of SSE1, A Yeast HSP110, PDB code: 2qxl was solved by W.A.Hendrickson, Q.Liu, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	29.49 / 2.41
Space group	C 1 2 1
Cell size a, b, c (Å), α, β, γ (°)	218.045, 125.331, 74.708, 90.00, 98.67, 90.00
R / Rfree (%)	19.5 / 23.5

The structure of Crystal Structure Analysis of SSE1, A Yeast HSP110 also contains other interesting chemical elements:

Magnesium

(Mg)

2 atoms

The binding sites of Potassium atom in the Crystal Structure Analysis of SSE1, A Yeast HSP110 (pdb code 2qxl). 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 Analysis of SSE1, A Yeast HSP110, PDB code: 2qxl:
Jump to Potassium binding site number: 1; 2;

Potassium binding site 1 out of 2 in the Crystal Structure Analysis of SSE1, A Yeast HSP110


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Crystal Structure Analysis of SSE1, A Yeast HSP110 within 5.0Å range: probe atom residue distance (Å) B Occ A:K1005 b:48.0 occ:1.00 O A:HOH1089 2.7 48.6 1.0 O1B A:ATP1002 2.7 40.7 1.0 O A:ASN13 2.8 54.4 1.0 OD1 A:ASN13 2.9 57.0 1.0 O1A A:ATP1002 3.0 39.7 1.0 O A:HOH1067 3.2 39.9 1.0 PB A:ATP1002 3.5 38.2 1.0 OD2 A:ASP8 3.6 58.4 1.0 O2B A:ATP1002 3.6 40.4 1.0 CG A:ASN13 3.7 55.8 1.0 C A:ASN13 3.8 54.3 1.0 O A:HOH1109 3.9 47.3 1.0 PA A:ATP1002 4.0 38.9 1.0 O A:HOH1079 4.1 48.1 1.0 O A:HOH1119 4.1 30.4 1.0 CG A:ASP8 4.2 57.6 1.0 CA A:GLY10 4.2 54.9 1.0 O3A A:ATP1002 4.2 38.3 1.0 CG2 A:VAL15 4.3 52.4 1.0 ND2 A:ASN13 4.3 56.6 1.0 MG A:MG1004 4.3 45.5 1.0 OD1 A:ASP8 4.4 60.1 1.0 O2A A:ATP1002 4.5 40.8 1.0 CA A:ASN13 4.6 54.5 1.0 N A:ASN13 4.6 54.2 1.0 N A:GLY10 4.6 55.1 1.0 CB A:ASN13 4.7 54.5 1.0 N A:SER14 4.7 54.0 1.0 O A:ASP8 4.8 55.9 1.0 CA A:SER14 4.8 53.3 1.0 N A:VAL15 4.9 53.6 1.0

Potassium binding site 2 out of 2 in the Crystal Structure Analysis of SSE1, A Yeast HSP110


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of Crystal Structure Analysis of SSE1, A Yeast HSP110 within 5.0Å range: probe atom residue distance (Å) B Occ B:K1006 b:36.6 occ:1.00 O B:HOH1037 2.7 30.8 1.0 O B:ASN13 2.8 40.7 1.0 O1B B:ATP1001 2.8 28.3 1.0 OD1 B:ASN13 2.9 43.5 1.0 O1A B:ATP1001 3.3 30.9 1.0 O B:HOH1165 3.3 30.9 1.0 OD2 B:ASP8 3.5 50.7 1.0 PB B:ATP1001 3.6 26.3 1.0 O2B B:ATP1001 3.6 28.3 1.0 CG B:ASN13 3.6 41.4 1.0 C B:ASN13 3.8 41.3 1.0 O B:HOH1063 4.0 35.8 1.0 PA B:ATP1001 4.1 26.8 1.0 ND2 B:ASN13 4.1 40.3 1.0 MG B:MG1003 4.1 28.8 1.0 CA B:GLY10 4.1 44.1 1.0 CG2 B:VAL15 4.2 36.9 1.0 CG B:ASP8 4.2 48.5 1.0 O3A B:ATP1001 4.2 26.5 1.0 O B:HOH1028 4.2 33.3 1.0 O B:HOH1215 4.2 28.9 1.0 OD1 B:ASP8 4.4 52.4 1.0 O2A B:ATP1001 4.5 27.6 1.0 N B:GLY10 4.5 44.5 1.0 N B:SER14 4.6 40.2 1.0 CA B:ASN13 4.6 41.4 1.0 CA B:SER14 4.7 39.4 1.0 CB B:ASN13 4.7 41.1 1.0 N B:ASN13 4.7 42.1 1.0 O B:ASP8 4.8 45.1 1.0 N B:VAL15 4.9 37.8 1.0 O B:HOH1218 4.9 27.2 1.0 C B:SER14 5.0 38.3 1.0

Q.Liu, W.A.Hendrickson. Insights Into HSP70 Chaperone Activity From A Crystal Structure of the Yeast HSP110 SSE1. Cell(Cambridge,Mass.) V. 131 106 2007.
ISSN: ISSN 0092-8674
PubMed: 17923091
DOI: 10.1016/J.CELL.2007.08.039