Strontium in PDB 2awe: Base-Tetrad Swapping Results in Dimerization of Rna Quadruplexes: Implications For Formation of I-Motif Rna Octaplex

The structure of Base-Tetrad Swapping Results in Dimerization of Rna Quadruplexes: Implications For Formation of I-Motif Rna Octaplex, PDB code: 2awe was solved by B.Pan, K.Shi, M.Sundaralingam, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	19.36 / 2.10
Space group	I 41 2 2 1
Cell size a, b, c (Å), α, β, γ (°)	82.667, 82.667, 74.154, 90.00, 90.00, 90.00
R / Rfree (%)	17.2 / 22.8

The structure of Base-Tetrad Swapping Results in Dimerization of Rna Quadruplexes: Implications For Formation of I-Motif Rna Octaplex also contains other interesting chemical elements:

Bromine	(Br)	8 atoms
Potassium	(K)	11 atoms

The binding sites of Strontium atom in the Base-Tetrad Swapping Results in Dimerization of Rna Quadruplexes: Implications For Formation of I-Motif Rna Octaplex (pdb code 2awe). This binding sites where shown within 5.0 Angstroms radius around Strontium atom.
In total only one binding site of Strontium was determined in the Base-Tetrad Swapping Results in Dimerization of Rna Quadruplexes: Implications For Formation of I-Motif Rna Octaplex, PDB code: 2awe:

Strontium binding site 1 out of 1 in the Base-Tetrad Swapping Results in Dimerization of Rna Quadruplexes: Implications For Formation of I-Motif Rna Octaplex


Mono view


Stereo pair view

A full contact list of Strontium with other atoms in the Sr binding site number 1 of Base-Tetrad Swapping Results in Dimerization of Rna Quadruplexes: Implications For Formation of I-Motif Rna Octaplex within 5.0Å range: probe atom residue distance (Å) B Occ A:Sr219 b:14.6 occ:1.00 O C:HOH237 2.5 12.3 1.0 OP2 A:U4 2.6 15.1 1.0 O C:HOH222 2.6 14.1 1.0 O3' A:U6 2.8 11.9 1.0 O A:HOH223 2.8 15.4 1.0 O2' A:U6 2.8 9.9 1.0 O A:HOH225 2.8 17.0 1.0 O2' A:G3 3.3 14.6 1.0 C2' A:U6 3.7 12.7 1.0 C3' A:U6 3.8 12.9 1.0 P A:U4 4.0 15.3 1.0 C1' A:U6 4.2 13.2 1.0 C2' A:G3 4.3 14.0 1.0 O3' A:G3 4.4 15.0 1.0 OP1 A:G5 4.5 12.7 1.0 C3' A:G3 4.6 11.9 1.0 O2' C:G5 4.6 16.1 1.0 O2 A:U6 4.8 12.6 1.0 C4' A:U6 4.9 13.9 1.0 O5' A:U4 4.9 16.1 1.0 OP1 A:U4 4.9 15.4 1.0

B.Pan, K.Shi, M.Sundaralingam. Base-Tetrad Swapping Results in Dimerization of Rna Quadruplexes: Implications For Formation of the I-Motif Rna Octaplex. Proc.Natl.Acad.Sci.Usa V. 103 3130 2006.
ISSN: ISSN 0027-8424
PubMed: 16492787
DOI: 10.1073/PNAS.0507730103