Magnesium in the structure of Transition State Structure of Arginine Kinase (pdb 1m15)

The binding sites of Magnesium atom in the structure of Transition State Structure of Arginine Kinase (pdb code 1m15). This binding sites where shown with 5.0 Angstroms radius around Magnesium atom. The 1m15 structure was solved by M.S.YOUSEF, F.FABIOLA, J.L.GATTIS, T.SOMASUNDARAM, M.S.CHAPMAN, with X-Ray Crystallography technique, brief refinement statistics is given in the table below: Resolution (A) 6.0-1.2 Space group P212121 a (A) 65.393 b (A) 70.312 c (A) 80.319 alpha (°) 90.00 beta (°) 90.00 gamma (°) 90.00 Rfactor (%) 12.5 Rfree (%) 14 Magnesium Binding Sites: Magnesium binding site 1 out of 1 in 1m15 Click to enlarge Click to enlarge Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 1 of Magnesium in the PDB 1m15. Coordination sphere was calculated for all residues within 5.0 Angstroms distance from the central Magnesium atom, shown by VdW sphere Residues shown as a stick model or VDW spheres: A: Trp221, A: Glu224, A: Glu225, A: Arg229, A: Arg309, A: Glu314, A: No3405, A: Arg403, A: Adp400, A: Hoh1214, A: Hoh1215, A: Hoh1223, A: Hoh1296, A: Hoh1297, A: Hoh1298, conact list: Atom Atom Distance (A) Mg CZ3 A:Trp221 4.38 Mg CH2 A:Trp221 4.61 Mg OE1 A:Glu224 4.42 Mg OE2 A:Glu224 4.21 Mg CD A:Glu224 4.78 Mg OE2 A:Glu225 4.39 Mg CZ A:Arg229 4.93 Mg NH2 A:Arg229 4.89 Mg NH1 A:Arg229 4.11 Mg NH1 A:Arg309 4.81 Mg OE2 A:Glu314 4.13 Mg CD A:Glu314 4.77 Mg CG A:Glu314 4.91 Mg O1 A:No3405 2.10 Mg O2 A:No3405 4.37 Mg N A:No3405 3.08 Mg O3 A:No3405 3.41 Mg NH2 A:Arg403 4.26 Mg O3B A:Adp400 4.07 Mg PA A:Adp400 3.29 Mg O2A A:Adp400 4.33 Mg O1B A:Adp400 2.01 Mg PB A:Adp400 3.25 Mg C5' A:Adp400 4.46 Mg O5' A:Adp400 4.39 Mg O2B A:Adp400 4.34 Mg O3A A:Adp400 3.48 Mg O1A A:Adp400 2.08 Mg O A:Hoh1214 4.54 Mg O A:Hoh1215 3.89 Mg O A:Hoh1223 4.23 Mg O A:Hoh1296 2.08 Mg O A:Hoh1297 2.05 Mg O A:Hoh1298 2.10 interactive model: