Magnesium in PDB 3nd4: Watson-Crick 16-Mer Dsrna

The structure of Watson-Crick 16-Mer Dsrna, PDB code: 3nd4 was solved by B.H.Mooers, A.Singh, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	18.39 / 1.52
Space group	H 3 2
Cell size a, b, c (Å), α, β, γ (°)	41.094, 41.094, 123.690, 90.00, 90.00, 120.00
R / Rfree (%)	17.2 / 21.4

The structure of Watson-Crick 16-Mer Dsrna also contains other interesting chemical elements:

Potassium	(K)	1 atom
Sodium	(Na)	1 atom

The binding sites of Magnesium atom in the Watson-Crick 16-Mer Dsrna (pdb code 3nd4). This binding sites where shown within 5.0 Angstroms radius around Magnesium atom.
In total only one binding site of Magnesium was determined in the Watson-Crick 16-Mer Dsrna, PDB code: 3nd4:

Magnesium binding site 1 out of 1 in the Watson-Crick 16-Mer Dsrna


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Watson-Crick 16-Mer Dsrna within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg17 b:15.4 occ:0.33 OP1 A:G7 2.2 17.8 1.0 O A:HOH117 2.2 21.3 1.0 P A:G7 3.5 16.7 1.0 K A:K18 3.6 17.2 0.3 H5' A:G7 3.8 18.0 1.0 O5' A:G7 3.8 16.3 1.0 O A:HOH27 4.1 19.2 1.0 C5' A:G7 4.3 15.0 1.0 O A:HOH100 4.3 36.9 1.0 O3' A:A6 4.4 14.2 1.0 H4' A:G7 4.5 15.0 1.0 OP2 A:G7 4.5 16.8 1.0 C4' A:G7 5.0 12.5 1.0

B.H.Mooers, A.Singh. The Crystal Structure of An Oligo(U):Pre-Mrna Duplex From A Trypanosome Rna Editing Substrate. Rna V. 17 1870 2011.
ISSN: ISSN 1355-8382
PubMed: 21878548
DOI: 10.1261/RNA.2880311