Potassium in PDB 2pmu: Crystal Structure of the Dna-Binding Domain of Phop

The structure of Crystal Structure of the Dna-Binding Domain of Phop, PDB code: 2pmu was solved by S.Wang, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	20.00 / 1.78
Space group	C 1 2 1
Cell size a, b, c (Å), α, β, γ (°)	103.884, 101.129, 86.930, 90.00, 126.72, 90.00
R / Rfree (%)	19.6 / 23.8

The structure of Crystal Structure of the Dna-Binding Domain of Phop also contains other interesting chemical elements:

Chlorine

(Cl)

4 atoms

The binding sites of Potassium atom in the Crystal Structure of the Dna-Binding Domain of Phop (pdb code 2pmu). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 3 binding sites of Potassium where determined in the Crystal Structure of the Dna-Binding Domain of Phop, PDB code: 2pmu:
Jump to Potassium binding site number: 1; 2; 3;

Potassium binding site 1 out of 3 in the Crystal Structure of the Dna-Binding Domain of Phop


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 the Dna-Binding Domain of Phop within 5.0Å range: probe atom residue distance (Å) B Occ A:K2002 b:36.7 occ:1.00 O A:ASP200 2.6 37.9 1.0 O A:TRP203 2.6 43.0 1.0 O A:HOH6053 2.7 36.9 1.0 O A:HIS201 2.9 37.9 1.0 C A:HIS201 3.6 43.0 1.0 C A:ASP200 3.8 39.0 1.0 O A:HOH6059 3.8 38.3 1.0 C A:TRP203 3.8 40.6 1.0 CA A:HIS201 4.1 38.6 1.0 N A:HIS201 4.4 34.6 1.0 N A:VAL202 4.5 35.1 1.0 C A:VAL202 4.6 37.9 1.0 N A:TRP203 4.6 36.8 1.0 CA A:ARG204 4.6 33.8 1.0 N A:ARG204 4.6 38.2 1.0 CA A:TRP203 4.7 38.8 1.0 O A:VAL202 4.7 41.8 1.0 CA A:ASP200 4.9 35.9 1.0 CA A:VAL202 5.0 33.3 1.0

Potassium binding site 2 out of 3 in the Crystal Structure of the Dna-Binding Domain of Phop


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of Crystal Structure of the Dna-Binding Domain of Phop within 5.0Å range: probe atom residue distance (Å) B Occ D:K2001 b:35.6 occ:1.00 O D:ASP200 2.6 39.0 1.0 O D:TRP203 2.6 42.1 1.0 O D:HIS201 2.9 37.9 1.0 C D:HIS201 3.6 42.7 1.0 C D:ASP200 3.7 39.2 1.0 C D:TRP203 3.8 41.9 1.0 CA D:HIS201 4.0 38.7 1.0 N D:HIS201 4.4 35.5 1.0 N D:VAL202 4.5 33.5 1.0 N D:TRP203 4.5 35.8 1.0 C D:VAL202 4.5 38.0 1.0 CA D:ARG204 4.6 33.7 1.0 N D:ARG204 4.6 39.0 1.0 CA D:TRP203 4.7 38.4 1.0 O D:VAL202 4.7 41.1 1.0 CA D:ASP200 4.9 36.4 1.0 CA D:VAL202 5.0 32.7 1.0 OD1 D:ASP200 5.0 36.5 1.0

Potassium binding site 3 out of 3 in the Crystal Structure of the Dna-Binding Domain of Phop


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 3 of Crystal Structure of the Dna-Binding Domain of Phop within 5.0Å range: probe atom residue distance (Å) B Occ E:K2003 b:32.6 occ:1.00 O E:ARG150 2.5 38.9 1.0 OD1 E:ASN148 2.8 38.4 1.0 O E:HOH5041 3.3 48.8 1.0 CG E:ASN148 3.6 40.1 1.0 C E:ARG150 3.7 37.0 1.0 N E:ARG150 4.2 30.9 1.0 ND2 E:ASN148 4.2 48.4 1.0 CA E:ARG150 4.4 33.9 1.0 CB E:ARG150 4.5 41.8 1.0 CB E:ASN148 4.5 33.9 1.0 N E:LEU151 4.7 33.3 1.0 O E:ASN148 4.9 31.3 1.0 CA E:LEU151 4.9 35.8 1.0

S.Wang, J.Engohang-Ndong, I.Smith. Structure of the Dna-Binding Domain of the Response Regulator Phop From Mycobacterium Tuberculosis Biochemistry V. 46 14751 2007.
ISSN: ISSN 0006-2960
PubMed: 18052041
DOI: 10.1021/BI700970A