Sodium in PDB 4m4o: Crystal Structure of the Aptamer Mine-Lysozyme Complex

All present enzymatic activity of Crystal Structure of the Aptamer Mine-Lysozyme Complex:
3.2.1.17;

The structure of Crystal Structure of the Aptamer Mine-Lysozyme Complex, PDB code: 4m4o was solved by V.N.Malashkevich, F.C.Padlan, R.Toro, M.Girvin, S.C.Almo, New Yorkstructural Genomics Research Consortium (Nysgrc), with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	37.98 / 2.00
Space group	C 1 2 1
Cell size a, b, c (Å), α, β, γ (°)	141.216, 30.609, 89.817, 90.00, 122.45, 90.00
R / Rfree (%)	18.1 / 20.7

The structure of Crystal Structure of the Aptamer Mine-Lysozyme Complex also contains other interesting chemical elements:

Magnesium

(Mg)

2 atoms

The binding sites of Sodium atom in the Crystal Structure of the Aptamer Mine-Lysozyme Complex (pdb code 4m4o). This binding sites where shown within 5.0 Angstroms radius around Sodium atom.
In total only one binding site of Sodium was determined in the Crystal Structure of the Aptamer Mine-Lysozyme Complex, PDB code: 4m4o:

Sodium binding site 1 out of 1 in the Crystal Structure of the Aptamer Mine-Lysozyme Complex


Mono view


Stereo pair view

A full contact list of Sodium with other atoms in the Na binding site number 1 of Crystal Structure of the Aptamer Mine-Lysozyme Complex within 5.0Å range: probe atom residue distance (Å) B Occ B:Na101 b:43.5 occ:1.00 O6 B:G21 2.3 29.5 1.0 O B:HOH206 2.4 37.7 1.0 O B:HOH211 2.4 37.3 1.0 O B:HOH212 2.6 38.2 1.0 O B:HOH202 2.6 27.9 1.0 O B:HOH235 3.2 36.1 1.0 C6 B:G21 3.4 29.0 1.0 N1 B:G21 3.7 28.4 1.0 O4 B:U38 3.8 33.4 1.0 N6 B:A20 4.2 28.5 1.0 O B:HOH225 4.3 39.5 1.0 O B:HOH214 4.5 29.8 1.0 C5 B:G21 4.7 29.1 1.0 C4 B:U38 4.8 32.3 1.0 OP1 B:G36 4.9 29.3 1.0 O2' B:G19 4.9 32.5 1.0 N7 B:A20 4.9 31.5 1.0

V.N.Malashkevich, F.C.Padlan, R.Toro, M.Girvin, S.C.Almo. Crystal Structure of the Aptamer Mine-Lysozyme Complex To Be Published.