Potassium in PDB 3bo3: A Relaxed Active Site Following Exon Ligation By A Group I Intron

The structure of A Relaxed Active Site Following Exon Ligation By A Group I Intron, PDB code: 3bo3 was solved by S.V.Lipchock, S.A.Strobel, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	47.73 / 3.40
Space group	P 41 2 2
Cell size a, b, c (Å), α, β, γ (°)	109.608, 109.608, 242.138, 90.00, 90.00, 90.00
R / Rfree (%)	28.2 / 32.5

The structure of A Relaxed Active Site Following Exon Ligation By A Group I Intron also contains other interesting chemical elements:

Magnesium

(Mg)

13 atoms

The binding sites of Potassium atom in the A Relaxed Active Site Following Exon Ligation By A Group I Intron (pdb code 3bo3). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total only one binding site of Potassium was determined in the A Relaxed Active Site Following Exon Ligation By A Group I Intron, PDB code: 3bo3:

Potassium binding site 1 out of 1 in the A Relaxed Active Site Following Exon Ligation By A Group I Intron


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of A Relaxed Active Site Following Exon Ligation By A Group I Intron within 5.0Å range: probe atom residue distance (Å) B Occ B:K1015 b:0.7 occ:1.00 O B:HOH1045 2.8 0.6 1.0 O6 B:G24 3.4 0.8 1.0 O6 B:G23 3.8 0.3 1.0 OP2 B:G22 4.2 0.6 1.0 O6 B:G22 4.2 0.5 1.0 C6 B:G24 4.4 0.9 1.0 N7 B:G23 4.4 1.0 1.0 N7 B:G22 4.5 0.1 1.0 C6 B:G22 4.5 0.2 1.0 C5 B:G22 4.7 0.1 1.0 C6 B:G23 4.7 0.6 1.0 C5 B:G23 5.0 0.7 1.0

S.V.Lipchock, S.A.Strobel. A Relaxed Active Site After Exon Ligation By the Group I Intron Proc.Natl.Acad.Sci.Usa V. 105 5699 2008.
ISSN: ISSN 0027-8424
PubMed: 18408159
DOI: 10.1073/PNAS.0712016105