Sodium in the structure of E. Coli Methionine Aminopeptidase Dimetalated With Inhibitor YE6 (pdb 2p9a)

The binding sites of Sodium atom in the structure of E. Coli Methionine Aminopeptidase Dimetalated With Inhibitor YE6 (pdb code 2p9a). This binding sites where shown with 5.0 Angstroms radius around Sodium atom. The 2p9a structure was solved by Q.YE, with X-Ray Crystallography technique, brief refinement statistics is given in the table below: Resolution (A) 20.0-1.6 Space group P1211 a (A) 37.986 b (A) 60.649 c (A) 50.486 alpha (°) 90.00 beta (°) 104.82 gamma (°) 90.00 Rfactor (%) 20.6 Rfree (%) 23.1 Sodium Binding Sites: Sodium binding site 1 out of 1 in 2p9a Click to enlarge Click to enlarge Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 1 of Sodium in the PDB 2p9a. 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: Hoh271, A: Hoh272, A: Hoh444, conact list: Atom Atom Distance (A) Na O A:Ser72 4.03 Na CB A:Ser72 4.57 Na C A:Ser72 4.35 Na O A:Ile73 4.08 Na N A:Ile73 4.56 Na C A:Ile73 3.86 Na CA A:Ile73 4.56 Na O A:Asn74 2.43 Na N A:Asn74 3.67 Na C A:Asn74 3.28 Na CA A:Asn74 3.80 Na N A:Glu75 4.30 Na C A:Glu75 4.37 Na CA A:Glu75 4.67 Na O A:Val76 2.41 Na N A:Val76 3.90 Na CB A:Val76 4.72 Na C A:Val76 3.50 Na CA A:Val76 4.26 Na N A:Val77 4.46 Na CA A:Val77 4.61 Na O A:Ile93 4.88 Na CD1 A:Ile93 4.77 Na CG1 A:Ile93 4.78 Na CE A:Met112 4.69 Na O A:Ser231 2.45 Na N A:Ser231 3.94 Na CB A:Ser231 3.86 Na OG A:Ser231 4.66 Na C A:Ser231 3.40 Na CA A:Ser231 3.95 Na N A:Ala232 4.44 Na CA A:Ala232 4.77 Na O A:Hoh271 2.43 Na O A:Hoh272 4.42 Na O A:Hoh444 3.50 interactive model: