Sodium in the structure of Q138F Hincii Bound to Gtcgac and 5 Mm CA2+ (pdb 3e41)

The binding sites of Sodium atom in the structure of Q138F Hincii Bound to Gtcgac and 5 Mm CA2+ (pdb code 3e41). This binding sites where shown with 5.0 Angstroms radius around Sodium atom. The 3e41 structure was solved by N.C.HORTON, A.C.BABIC, E.J.LITTLE, V.M.MANOHAR, with X-Ray Crystallography technique, brief refinement statistics is given in the table below: Resolution (A) 44.4-2.7 Space group P1211 a (A) 50.060 b (A) 90.140 c (A) 66.330 alpha (°) 90.00 beta (°) 104.55 gamma (°) 90.00 Rfactor (%) 18.4 Rfree (%) 26.6 Sodium Binding Sites: Sodium binding site 1 out of 1 in 3e41 Click to enlarge Click to enlarge Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 1 of Sodium in the PDB 3e41. Coordination sphere was calculated for all residues within 5.0 Angstroms distance from the central Sodium atom, shown by VdW sphere Residues shown as a stick model or VDW spheres: B: Thr112, B: Asp127, B: Asn141, B: Ile142, B: Ile143, B: Tyr168, B: Gln207, E: Dc7, E: Dg8, B: Hoh267, B: Hoh275, B: Hoh276, E: Hoh20, E: Hoh30, conact list: Atom Atom Distance (A) Na O B:Thr112 4.61 Na CB B:Asp127 4.80 Na OD2 B:Asp127 2.83 Na OD1 B:Asp127 4.47 Na CG B:Asp127 3.85 Na O B:Asn141 4.30 Na C B:Asn141 4.81 Na O B:Ile142 2.66 Na N B:Ile142 4.74 Na C B:Ile142 3.21 Na CA B:Ile142 4.14 Na N B:Ile143 3.70 Na CB B:Ile143 4.17 Na CG1 B:Ile143 4.64 Na CA B:Ile143 3.82 Na CE1 B:Tyr168 4.67 Na OH B:Tyr168 4.91 Na OE1 B:Gln207 4.75 Na C3' E:Dc7 4.72 Na O3' E:Dc7 4.61 Na C5' E:Dc7 4.90 Na O5' E:Dc7 4.77 Na OP1 E:Dg8 4.23 Na P E:Dg8 3.84 Na OP2 E:Dg8 2.66 Na O B:Hoh267 2.81 Na O B:Hoh275 3.11 Na O B:Hoh276 3.51 Na O E:Hoh20 2.82 Na O E:Hoh30 3.49 interactive model: