Potassium in PDB 3ktw: Crystal Structure of the SRP19/S-Domain Srp Rna Complex of Sulfolobus Solfataricus

The structure of Crystal Structure of the SRP19/S-Domain Srp Rna Complex of Sulfolobus Solfataricus, PDB code: 3ktw was solved by K.Wild, G.Bange, G.Bozkurt, I.Sinning, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	64.68 / 3.20
Space group	P 1 21 1
Cell size a, b, c (Å), α, β, γ (°)	71.307, 79.338, 114.067, 90.00, 101.99, 90.00
R / Rfree (%)	24 / 28.5

The structure of Crystal Structure of the SRP19/S-Domain Srp Rna Complex of Sulfolobus Solfataricus also contains other interesting chemical elements:

Magnesium

(Mg)

6 atoms

The binding sites of Potassium atom in the Crystal Structure of the SRP19/S-Domain Srp Rna Complex of Sulfolobus Solfataricus (pdb code 3ktw). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 4 binding sites of Potassium where determined in the Crystal Structure of the SRP19/S-Domain Srp Rna Complex of Sulfolobus Solfataricus, PDB code: 3ktw:
Jump to Potassium binding site number: 1; 2; 3; 4;

Potassium binding site 1 out of 4 in the Crystal Structure of the SRP19/S-Domain Srp Rna Complex of Sulfolobus Solfataricus


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 SRP19/S-Domain Srp Rna Complex of Sulfolobus Solfataricus within 5.0Å range: probe atom residue distance (Å) B Occ D:K1 b:82.5 occ:1.00 OP2 D:A217 2.7 50.8 1.0 P D:A217 4.2 52.5 1.0 N7 D:G218 4.2 42.1 1.0 C5' D:G216 4.3 47.0 1.0 C3' D:G216 4.4 49.0 1.0 N7 D:A217 4.6 48.0 1.0 O5' D:A217 4.7 50.4 1.0 OP2 D:G216 4.8 44.4 1.0 C8 D:G218 4.8 43.3 1.0 O3' D:G216 4.8 51.6 1.0 C8 D:A217 5.0 48.1 1.0 C4' D:G216 5.0 46.9 1.0

Potassium binding site 2 out of 4 in the Crystal Structure of the SRP19/S-Domain Srp Rna Complex of Sulfolobus Solfataricus


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 SRP19/S-Domain Srp Rna Complex of Sulfolobus Solfataricus within 5.0Å range: probe atom residue distance (Å) B Occ C:K2 b:73.3 occ:1.00 OP2 C:A217 2.9 49.9 1.0 P C:A217 4.3 51.8 1.0 O6 C:G218 4.5 58.8 1.0 OP2 C:C203 4.5 66.7 1.0 C3' C:G216 4.7 50.2 1.0 OP2 C:G216 4.7 45.6 1.0 C5' C:G216 4.7 48.4 1.0 N7 C:G218 4.8 57.1 1.0 O5' C:A217 4.9 50.7 1.0 N7 C:A217 4.9 50.3 1.0

Potassium binding site 3 out of 4 in the Crystal Structure of the SRP19/S-Domain Srp Rna Complex of Sulfolobus Solfataricus


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 SRP19/S-Domain Srp Rna Complex of Sulfolobus Solfataricus within 5.0Å range: probe atom residue distance (Å) B Occ C:K3 b:84.1 occ:1.00 OP2 C:A220 2.5 80.0 1.0 P C:A220 3.9 80.6 1.0 O6 C:G201 3.9 52.4 1.0 N7 C:A220 4.0 83.3 1.0 N3 C:C202 4.2 53.7 1.0 N4 C:C202 4.2 54.4 1.0 N7 C:A221 4.3 85.7 1.0 O5' C:A220 4.3 81.3 1.0 N4 C:C222 4.4 66.3 1.0 C8 C:A220 4.5 83.4 1.0 N6 C:A221 4.5 85.7 1.0 N3 C:C203 4.6 65.5 1.0 OP1 C:A220 4.6 81.0 1.0 OP2 C:C219 4.7 67.6 1.0 O2 C:C203 4.7 64.5 1.0 C4 C:C202 4.7 54.0 1.0 C2 C:C203 4.8 65.8 1.0 C5 C:C219 5.0 71.7 1.0

Potassium binding site 4 out of 4 in the Crystal Structure of the SRP19/S-Domain Srp Rna Complex of Sulfolobus Solfataricus


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 4 of Crystal Structure of the SRP19/S-Domain Srp Rna Complex of Sulfolobus Solfataricus within 5.0Å range: probe atom residue distance (Å) B Occ D:K4 b:0.5 occ:1.00 O6 D:G201 3.1 60.9 1.0 N4 D:C222 3.5 75.2 1.0 C6 D:G201 4.1 59.8 1.0 OP2 D:A220 4.2 62.1 1.0 N4 D:C202 4.3 61.7 1.0 N7 D:G201 4.3 60.1 1.0 N7 D:A221 4.3 69.3 1.0 C4 D:C222 4.5 75.2 1.0 C5 D:G201 4.6 59.6 1.0 N7 D:A220 4.6 60.3 1.0 C8 D:A220 4.7 61.1 1.0 OP1 D:C198 4.7 77.9 1.0 N6 D:A221 4.7 69.9 1.0 N3 D:C202 4.8 59.1 1.0 C4 D:C202 4.9 60.2 1.0 O6 D:G200 4.9 56.0 1.0 C5' D:A220 5.0 62.7 1.0

K.Wild, G.Bange, G.Bozkurt, B.Segnitz, A.Hendricks, I.Sinning. Structural Insights Into the Assembly of the Human and Archaeal Signal Recognition Particles. Acta Crystallogr.,Sect.D V. 66 295 2010.
ISSN: ISSN 0907-4449
PubMed: 20179341
DOI: 10.1107/S0907444910000879