Sodium in the structure of E. Coli Methionine Aminopeptidase Mn-Form With Inhibitor B23 (pdb 2q92)

The binding sites of Sodium atom in the structure of E. Coli Methionine Aminopeptidase Mn-Form With Inhibitor B23 (pdb code 2q92). This binding sites where shown with 5.0 Angstroms radius around Sodium atom. The 2q92 structure was solved by Q.-Z.YE, with X-Ray Crystallography technique, brief refinement statistics is given in the table below: Resolution (A) 26.4-1.9 Space group P1211 a (A) 38.137 b (A) 60.984 c (A) 50.693 alpha (°) 90.00 beta (°) 104.93 gamma (°) 90.00 Rfactor (%) 20.3 Rfree (%) 23.8 Sodium Binding Sites: Sodium binding site 1 out of 1 in 2q92 Click to enlarge Click to enlarge Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 1 of Sodium in the PDB 2q92. 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: A: Ser72, A: Ile73, A: Asn74, A: Glu75, A: Val76, A: Val77, A: Ile93, A: Met112, A: Ser231, A: Ala232, A: Hoh501, A: Hoh504, A: Hoh527, conact list: Atom Atom Distance (A) Na O A:Ser72 4.20 Na CB A:Ser72 4.61 Na C A:Ser72 4.42 Na O A:Ile73 4.11 Na N A:Ile73 4.54 Na C A:Ile73 3.83 Na CA A:Ile73 4.51 Na O A:Asn74 2.46 Na N A:Asn74 3.60 Na C A:Asn74 3.28 Na CA A:Asn74 3.76 Na N A:Glu75 4.31 Na C A:Glu75 4.42 Na CA A:Glu75 4.71 Na O A:Val76 2.44 Na N A:Val76 4.00 Na CB A:Val76 4.82 Na C A:Val76 3.57 Na CA A:Val76 4.37 Na O A:Val77 4.92 Na N A:Val77 4.51 Na CA A:Val77 4.63 Na O A:Ile93 4.84 Na CD1 A:Ile93 4.71 Na CG1 A:Ile93 4.73 Na CE A:Met112 4.70 Na O A:Ser231 2.47 Na N A:Ser231 3.99 Na CB A:Ser231 3.99 Na OG A:Ser231 4.70 Na C A:Ser231 3.47 Na CA A:Ser231 4.04 Na N A:Ala232 4.52 Na CA A:Ala232 4.80 Na O A:Hoh501 3.60 Na O A:Hoh504 4.48 Na O A:Hoh527 2.57 interactive model: