Sodium in PDB 7sb8: D(Ga(Cga)5) Parallel-Stranded Homo-Duplex

The structure of D(Ga(Cga)5) Parallel-Stranded Homo-Duplex, PDB code: 7sb8 was solved by E.M.Luteran, P.J.Paukstelis, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	90.41 / 1.32
Space group	P 1 21 1
Cell size a, b, c (Å), α, β, γ (°)	19.677, 30.422, 180.822, 90, 90.41, 90
R / Rfree (%)	17.1 / 21.4

The structure of D(Ga(Cga)5) Parallel-Stranded Homo-Duplex also contains other interesting chemical elements:

Cobalt	(Co)	11 atoms
Strontium	(Sr)	23 atoms

The binding sites of Sodium atom in the D(Ga(Cga)5) Parallel-Stranded Homo-Duplex (pdb code 7sb8). This binding sites where shown within 5.0 Angstroms radius around Sodium atom.
In total only one binding site of Sodium was determined in the D(Ga(Cga)5) Parallel-Stranded Homo-Duplex, PDB code: 7sb8:

Sodium binding site 1 out of 1 in the D(Ga(Cga)5) Parallel-Stranded Homo-Duplex


Mono view


Stereo pair view

A full contact list of Sodium with other atoms in the Na binding site number 1 of D(Ga(Cga)5) Parallel-Stranded Homo-Duplex within 5.0Å range: probe atom residue distance (Å) B Occ B:Na103 b:19.8 occ:1.00 O B:HOH245 2.2 40.7 1.0 O B:HOH261 2.3 35.9 1.0 OP2 B:DC3 2.5 26.2 1.0 O6 B:DG4 2.5 18.9 1.0 O B:HOH235 3.2 26.6 1.0 O B:HOH262 3.4 16.3 1.0 C6 B:DG4 3.6 13.9 1.0 O A:HOH219 3.7 35.2 1.0 P B:DC3 3.8 21.8 1.0 N7 B:DG4 4.1 14.1 1.0 C5 B:DG4 4.2 13.1 1.0 OP1 B:DC3 4.3 22.4 1.0 O5' B:DC3 4.7 20.4 1.0 N1 B:DG4 4.7 14.8 1.0 C5 B:DC3 4.9 16.9 1.0 O3' B:DA2 4.9 21.6 1.0 C6 B:DC3 4.9 18.0 1.0

E.M.Luteran, P.J.Paukstelis. The Parallel-Stranded D(Cga) Duplex Is A Highly Predictable Structural Motif with Two Conformationally Distinct Strands To Be Published.