Potassium in PDB 4q0w: He Catalytic Core of RAD2 in Complex with Dna Substrate (Complex II)

The structure of He Catalytic Core of RAD2 in Complex with Dna Substrate (Complex II), PDB code: 4q0w was solved by M.Mietus, E.Nowak, M.Jaciuk, P.Kustosz, M.Nowotny, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	30.39 / 2.10
Space group	P 21 21 2
Cell size a, b, c (Å), α, β, γ (°)	126.641, 76.813, 108.192, 90.00, 90.00, 90.00
R / Rfree (%)	18.3 / 23

The structure of He Catalytic Core of RAD2 in Complex with Dna Substrate (Complex II) also contains other interesting chemical elements:

Calcium

(Ca)

2 atoms

The binding sites of Potassium atom in the He Catalytic Core of RAD2 in Complex with Dna Substrate (Complex II) (pdb code 4q0w). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 2 binding sites of Potassium where determined in the He Catalytic Core of RAD2 in Complex with Dna Substrate (Complex II), PDB code: 4q0w:
Jump to Potassium binding site number: 1; 2;

Potassium binding site 1 out of 2 in the He Catalytic Core of RAD2 in Complex with Dna Substrate (Complex II)


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of He Catalytic Core of RAD2 in Complex with Dna Substrate (Complex II) within 5.0Å range: probe atom residue distance (Å) B Occ A:K1002 b:49.5 occ:1.00 O A:HOH1198 2.6 24.7 1.0 O A:HOH1130 2.6 29.4 1.0 O A:HOH1109 2.6 21.7 1.0 O A:LEU869 3.0 18.1 1.0 OP2 D:DC9 3.0 22.3 1.0 O A:MET872 3.1 17.4 1.0 C A:MET872 3.9 19.0 1.0 C A:LEU869 3.9 21.7 1.0 O A:LEU860 4.0 13.2 1.0 O A:LEU861 4.0 14.8 1.0 P D:DC9 4.0 27.4 1.0 N A:MET872 4.0 18.6 1.0 OP1 D:DC9 4.1 24.4 1.0 O D:HOH123 4.2 35.7 1.0 CA A:MET872 4.4 20.6 1.0 N A:GLY871 4.4 23.4 1.0 CA A:LYS870 4.5 24.1 1.0 N A:LEU869 4.6 15.4 1.0 N A:LYS870 4.6 21.2 1.0 C A:LEU861 4.6 15.9 1.0 CB A:MET872 4.6 16.1 1.0 C A:LYS870 4.7 19.3 1.0 CA A:LEU861 4.8 16.1 1.0 N A:GLY873 4.9 17.0 1.0 CA A:LEU869 4.9 19.9 1.0 O A:HOH1227 4.9 36.8 1.0 C A:GLY871 4.9 24.6 1.0 O A:HOH1191 4.9 40.4 1.0

Potassium binding site 2 out of 2 in the He Catalytic Core of RAD2 in Complex with Dna Substrate (Complex II)


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of He Catalytic Core of RAD2 in Complex with Dna Substrate (Complex II) within 5.0Å range: probe atom residue distance (Å) B Occ B:K1002 b:60.3 occ:1.00 O B:HOH1209 2.6 35.2 1.0 O B:HOH1297 2.6 37.5 1.0 O B:MET872 2.8 23.7 1.0 O B:LEU869 2.8 23.5 1.0 O C:HOH118 2.9 43.2 1.0 O B:LEU860 3.5 21.5 1.0 C B:MET872 3.7 20.1 1.0 OP1 C:DC9 3.7 44.5 1.0 O B:LEU861 3.7 25.9 1.0 OP2 C:DC9 3.8 36.7 1.0 C B:LEU869 3.8 32.5 1.0 N B:MET872 3.9 23.7 1.0 CA B:MET872 4.2 25.2 1.0 P C:DC9 4.2 37.1 1.0 C B:LEU861 4.2 27.3 1.0 N B:LEU869 4.3 23.1 1.0 CB B:MET872 4.3 28.0 1.0 CA B:LEU861 4.3 21.2 1.0 N B:GLY871 4.5 29.8 1.0 N B:LYS870 4.6 32.1 1.0 C B:LEU860 4.6 21.7 1.0 CA B:LYS870 4.6 36.0 1.0 CA B:LEU869 4.7 30.7 1.0 N B:GLY873 4.8 21.8 1.0 C B:LYS870 4.8 31.9 1.0 C B:GLY871 4.9 34.3 1.0 N B:LEU861 4.9 19.8 1.0 C B:GLY868 5.0 27.7 1.0

M.Mietus, E.Nowak, M.Jaciuk, P.Kustosz, J.Studnicka, M.Nowotny. Crystal Structure of the Catalytic Core of RAD2: Insights Into the Mechanism of Substrate Binding. Nucleic Acids Res. V. 42 10762 2014.
ISSN: ISSN 0305-1048
PubMed: 25120270
DOI: 10.1093/NAR/GKU729