Bromine in the structure of An Alternating Antiparallel Octaplex in An Rna Crystal Structure (pdb 1mdg)

The binding sites of Bromine atom in the structure of An Alternating Antiparallel Octaplex in An Rna Crystal Structure (pdb code 1mdg). This binding sites where shown with 5.0 Angstroms radius around Bromine atom. The 1mdg structure was solved by B.C.PAN, Y.XIONG, K.SHI, M.SUNDARALINGAM, with X-Ray Crystallography technique, brief refinement statistics is given in the table below: Resolution (A) 30.0-1.5 Space group I422 a (A) 35.956 b (A) 35.956 c (A) 38.045 alpha (°) 90.00 beta (°) 90.00 gamma (°) 90.00 Rfactor (%) 17.2 Rfree (%) 19.4 Bromine Binding Sites: Bromine binding site 1 out of 1 in 1mdg Click to enlarge Click to enlarge Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 1 of Bromine in the PDB 1mdg. Coordination sphere was calculated for all residues within 5.0 Angstroms distance from the central Bromine atom, shown by VdW sphere Residues shown as a stick model or VDW spheres: A: U1, A: Bgm2, A: A3, A: Hoh309, A: Hoh316, conact list: Atom Atom Distance (A) Br O2' A:U1 4.22 Br N9 A:Bgm2 2.89 Br C3' A:Bgm2 4.33 Br C8 A:Bgm2 1.88 Br C5 A:Bgm2 3.95 Br C1' A:Bgm2 3.38 Br N7 A:Bgm2 2.80 Br O4' A:Bgm2 3.28 Br C4 A:Bgm2 4.02 Br C5' A:Bgm2 3.76 Br C2' A:Bgm2 3.50 Br C4' A:Bgm2 3.97 Br BR A:Bgm2 0.00 Br C8 A:A3 4.75 Br C5 A:A3 4.72 Br N6 A:A3 4.88 Br N7 A:A3 4.15 Br O A:Hoh309 3.05 Br O A:Hoh316 4.39 interactive model: