Potassium in PDB 6y0t: Sarcin Ricin Loop, Mutant C2666A U2653G C2667A

The structure of Sarcin Ricin Loop, Mutant C2666A U2653G C2667A, PDB code: 6y0t was solved by E.Ennifar, E.Westhof, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	33.72 / 1.39
Space group	P 1 21 1
Cell size a, b, c (Å), α, β, γ (°)	53.17, 23.96, 63.82, 90, 108.74, 90
R / Rfree (%)	16.6 / 20.3

The structure of Sarcin Ricin Loop, Mutant C2666A U2653G C2667A also contains other interesting chemical elements:

Magnesium

(Mg)

4 atoms

The binding sites of Potassium atom in the Sarcin Ricin Loop, Mutant C2666A U2653G C2667A (pdb code 6y0t). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 5 binding sites of Potassium where determined in the Sarcin Ricin Loop, Mutant C2666A U2653G C2667A, PDB code: 6y0t:
Jump to Potassium binding site number: 1; 2; 3; 4; 5;

Potassium binding site 1 out of 5 in the Sarcin Ricin Loop, Mutant C2666A U2653G C2667A


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Sarcin Ricin Loop, Mutant C2666A U2653G C2667A within 5.0Å range: probe atom residue distance (Å) B Occ A:K2703 b:22.8 occ:1.00 O A:HOH2819 2.6 36.8 1.0 O A:HOH2934 2.7 20.4 1.0 O A:HOH2933 2.8 17.4 1.0 O A:HOH2886 2.9 10.9 1.0 O A:HOH2875 2.9 13.0 1.0 O A:HOH2826 3.1 41.7 1.0 OP1 A:G2655 3.9 13.5 1.0 MG A:MG2701 3.9 10.9 1.0 OP2 A:G2655 4.2 12.1 1.0 P A:G2655 4.6 12.1 1.0 OP1 A:G2653 4.9 16.2 1.0

Potassium binding site 2 out of 5 in the Sarcin Ricin Loop, Mutant C2666A U2653G C2667A


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of Sarcin Ricin Loop, Mutant C2666A U2653G C2667A within 5.0Å range: probe atom residue distance (Å) B Occ A:K2704 b:20.3 occ:1.00 O2' A:A2654 2.7 13.4 1.0 O A:HOH2858 2.7 14.2 1.0 HO2' A:A2654 2.8 16.1 1.0 O A:HOH2834 2.9 12.6 1.0 O A:HOH2894 3.0 12.9 1.0 OP2 A:G2655 3.0 12.1 1.0 O A:HOH2866 3.2 23.9 1.0 O A:HOH2898 3.4 18.5 1.0 O3' A:A2654 3.5 12.6 1.0 O A:HOH2851 3.6 31.4 1.0 MG A:MG2701 3.7 10.9 1.0 P A:G2655 3.7 12.1 1.0 O5' A:G2655 3.8 12.1 1.0 OP2 A:G2653 3.9 14.1 1.0 C2' A:A2654 3.9 12.8 1.0 O A:HOH2928 3.9 31.8 1.0 H1' A:A2654 4.1 15.2 1.0 O A:HOH2918 4.2 22.8 1.0 C3' A:A2654 4.2 12.8 1.0 O A:HOH2878 4.4 29.0 1.0 N3 A:A2654 4.4 12.2 1.0 O A:HOH2825 4.5 37.8 1.0 C1' A:A2654 4.6 12.6 1.0 H3' A:A2654 4.6 15.4 1.0 OP1 A:C2652 4.6 15.2 1.0 H2' A:A2654 4.6 15.4 1.0 O4' A:G2655 4.7 12.8 1.0 OP2 A:C2652 4.9 15.7 1.0

Potassium binding site 3 out of 5 in the Sarcin Ricin Loop, Mutant C2666A U2653G C2667A


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 3 of Sarcin Ricin Loop, Mutant C2666A U2653G C2667A within 5.0Å range: probe atom residue distance (Å) B Occ A:K2705 b:26.9 occ:1.00 H5 A:C2658 2.6 12.8 1.0 OP2 A:C2658 2.7 14.0 1.0 OP2 A:A2657 2.8 12.2 1.0 C5 A:C2658 3.5 10.6 1.0 P A:A2657 3.5 12.1 1.0 O5' A:A2657 3.6 11.8 1.0 O A:HOH2835 3.7 15.7 1.0 H6 A:C2658 3.8 13.1 1.0 H3' A:A2657 3.9 14.3 1.0 OP1 A:A2657 3.9 12.4 1.0 C6 A:C2658 4.1 10.9 1.0 P A:C2658 4.1 13.1 1.0 H41 A:C2658 4.2 13.7 1.0 O A:HOH2827 4.2 25.1 1.0 H5'' A:A2657 4.5 14.0 1.0 C4 A:C2658 4.5 11.1 1.0 O5' A:C2658 4.6 12.5 1.0 C5' A:A2657 4.6 11.7 1.0 C3' A:A2657 4.7 11.9 1.0 N4 A:C2658 4.7 11.4 1.0 N7 A:G2659 4.8 11.6 1.0 O3' A:A2657 4.8 12.4 1.0

Potassium binding site 4 out of 5 in the Sarcin Ricin Loop, Mutant C2666A U2653G C2667A


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 4 of Sarcin Ricin Loop, Mutant C2666A U2653G C2667A within 5.0Å range: probe atom residue distance (Å) B Occ B:K2703 b:17.7 occ:1.00 O2' B:A2654 2.7 12.2 1.0 HO2' B:A2654 2.8 14.7 1.0 O B:HOH2866 2.8 15.1 1.0 O B:HOH2938 2.8 33.5 1.0 OP2 B:G2655 2.9 12.4 1.0 O B:HOH2828 2.9 12.9 1.0 O B:HOH2877 3.0 23.5 1.0 O B:HOH2901 3.1 13.3 1.0 O3' B:A2654 3.6 11.8 1.0 P B:G2655 3.7 12.0 1.0 MG B:MG2701 3.7 10.9 1.0 O5' B:G2655 3.8 12.4 1.0 C2' B:A2654 3.9 11.5 1.0 OP2 B:G2653 3.9 13.8 1.0 O B:HOH2920 4.2 30.9 1.0 H1' B:A2654 4.2 13.7 1.0 C3' B:A2654 4.3 12.2 1.0 N3 B:A2654 4.4 11.5 1.0 O B:HOH2888 4.4 27.4 1.0 OP1 B:C2652 4.5 12.4 1.0 C1' B:A2654 4.6 11.4 1.0 H3' B:A2654 4.6 14.6 1.0 H2' B:A2654 4.6 13.8 1.0 O B:HOH2889 4.8 26.8 1.0 O4' B:G2655 4.8 13.2 1.0 OP2 B:C2652 5.0 12.7 1.0

Potassium binding site 5 out of 5 in the Sarcin Ricin Loop, Mutant C2666A U2653G C2667A


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 5 of Sarcin Ricin Loop, Mutant C2666A U2653G C2667A within 5.0Å range: probe atom residue distance (Å) B Occ B:K2704 b:22.2 occ:1.00 OP1 B:G2661 2.7 15.4 1.0 O3' B:A2660 2.9 15.0 1.0 O B:HOH2923 2.9 23.3 1.0 O B:HOH2872 3.0 33.6 1.0 P B:G2661 3.5 14.3 1.0 H5' B:G2661 3.7 18.4 1.0 H4' B:A2660 3.7 18.0 1.0 C3' B:A2660 4.0 15.1 1.0 O2' B:A2660 4.0 15.3 1.0 C4' B:A2660 4.3 15.0 1.0 HO2' B:A2660 4.4 18.4 1.0 O B:HOH2852 4.4 17.0 1.0 C5' B:G2661 4.4 15.3 1.0 O5' B:G2661 4.5 15.1 1.0 H5'' B:A2660 4.5 19.3 1.0 OP2 B:G2661 4.6 15.4 1.0 H5'' B:G2661 4.6 18.4 1.0 C2' B:A2660 4.7 14.7 1.0 H3' B:A2660 4.8 18.1 1.0 C5' B:A2660 5.0 16.1 1.0

E.Ennifar, E.Westhof. Sarcin Ricin Loop, Mutant C2666A U2653G C2667A To Be Published.