Potassium in PDB 4jd8: Racemic-[Ru(Phen)2(Dppz)]2+] Bound to Synthetic Dna at High Resolution

The structure of Racemic-[Ru(Phen)2(Dppz)]2+] Bound to Synthetic Dna at High Resolution, PDB code: 4jd8 was solved by D.S.Cook, J.P.Hall, C.J.Cardin, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	32.52 / 1.16
Space group	P 31 2 1
Cell size a, b, c (Å), α, β, γ (°)	37.550, 37.550, 54.371, 90.00, 90.00, 120.00
R / Rfree (%)	13.8 / 16.2

The structure of Racemic-[Ru(Phen)2(Dppz)]2+] Bound to Synthetic Dna at High Resolution also contains other interesting chemical elements:

Ruthenium

(Ru)

2 atoms

The binding sites of Potassium atom in the Racemic-[Ru(Phen)2(Dppz)]2+] Bound to Synthetic Dna at High Resolution (pdb code 4jd8). 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 Racemic-[Ru(Phen)2(Dppz)]2+] Bound to Synthetic Dna at High Resolution, PDB code: 4jd8:

Potassium binding site 1 out of 1 in the Racemic-[Ru(Phen)2(Dppz)]2+] Bound to Synthetic Dna at High Resolution


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Racemic-[Ru(Phen)2(Dppz)]2+] Bound to Synthetic Dna at High Resolution within 5.0Å range: probe atom residue distance (Å) B Occ B:K103 b:15.4 occ:0.58 O B:HOH245 2.6 30.1 1.0 OP1 B:DC4 2.7 27.1 1.0 O B:HOH248 2.8 30.0 0.5 O B:HOH216 2.9 42.2 1.0 O B:HOH241 3.0 43.3 1.0 P B:DC4 4.0 24.2 1.0 H5'' B:DC4 4.2 28.3 1.0 O B:HOH201 4.3 15.7 1.0 O5' B:DC4 4.6 23.3 1.0 OP2 B:DC4 4.7 26.1 1.0 C5' B:DC4 4.9 23.6 1.0 O B:HOH222 4.9 37.1 1.0

J.P.Hall, D.Cook, S.R.Morte, P.Mcintyre, K.Buchner, H.Beer, D.J.Cardin, J.A.Brazier, G.Winter, J.M.Kelly, C.J.Cardin. X-Ray Crystal Structure of Rac-[Ru(Phen)2DPPZ](2+) with D(Atgcat)2 Shows Enantiomer Orientations and Water Ordering. J.Am.Chem.Soc. V. 135 12652 2013.
ISSN: ISSN 0002-7863
PubMed: 23875832
DOI: 10.1021/JA403590E