Magnesium in PDB 3m4a: Crystal Structure of A Bacterial Topoisomerase Ib in Complex with Dna Reveals A Secondary Dna Binding Site

The structure of Crystal Structure of A Bacterial Topoisomerase Ib in Complex with Dna Reveals A Secondary Dna Binding Site, PDB code: 3m4a was solved by A.Patel, L.Yakovleva, S.Shuman, A.Mondragon, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	19.82 / 1.65
Space group	C 1 2 1
Cell size a, b, c (Å), α, β, γ (°)	119.670, 53.440, 77.360, 90.00, 96.33, 90.00
R / Rfree (%)	19.3 / 22.2

The binding sites of Magnesium atom in the Crystal Structure of A Bacterial Topoisomerase Ib in Complex with Dna Reveals A Secondary Dna Binding Site (pdb code 3m4a). 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 Crystal Structure of A Bacterial Topoisomerase Ib in Complex with Dna Reveals A Secondary Dna Binding Site, PDB code: 3m4a:

Magnesium binding site 1 out of 1 in the Crystal Structure of A Bacterial Topoisomerase Ib in Complex with Dna Reveals A Secondary Dna Binding Site


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Crystal Structure of A Bacterial Topoisomerase Ib in Complex with Dna Reveals A Secondary Dna Binding Site within 5.0Å range: probe atom residue distance (Å) B Occ D:Mg808 b:16.2 occ:1.00 O E:HOH122 2.2 16.4 1.0 O D:HOH15 2.2 15.2 1.0 O D:HOH14 2.2 17.7 1.0 O D:HOH266 2.4 28.7 1.0 O D:HOH288 4.1 43.8 1.0 O6 E:DG112 4.1 6.6 1.0 O E:HOH172 4.3 28.0 1.0 O D:HOH82 4.7 19.1 1.0 N7 D:DG10 4.8 3.8 1.0 O6 D:DG10 4.9 3.8 1.0 C8 D:DG9 4.9 6.5 1.0 C2' D:DG9 4.9 7.0 1.0

A.Patel, L.Yakovleva, S.Shuman, A.Mondragon. Crystal Structure of A Bacterial Topoisomerase Ib in Complex with Dna Reveals A Secondary Dna Binding Site. Structure V. 18 725 2010.
ISSN: ISSN 0969-2126
PubMed: 20541510
DOI: 10.1016/J.STR.2010.03.007