Sodium in PDB 2pkc: Crystal Structure of Calcium-Free Proteinase K at 1.5 Angstroms Resolution

All present enzymatic activity of Crystal Structure of Calcium-Free Proteinase K at 1.5 Angstroms Resolution:
3.4.21.64;

The structure of Crystal Structure of Calcium-Free Proteinase K at 1.5 Angstroms Resolution, PDB code: 2pkc was solved by A.Mueller, W.Hinrichs, W.M.Wolf, W.Saenger, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	N/A / 1.50
Space group	P 43 21 2
Cell size a, b, c (Å), α, β, γ (°)	68.270, 68.270, 108.080, 90.00, 90.00, 90.00
R / Rfree (%)	n/a / n/a

The binding sites of Sodium atom in the Crystal Structure of Calcium-Free Proteinase K at 1.5 Angstroms Resolution (pdb code 2pkc). 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 Calcium-Free Proteinase K at 1.5 Angstroms Resolution, PDB code: 2pkc:

Sodium binding site 1 out of 1 in the Crystal Structure of Calcium-Free Proteinase K at 1.5 Angstroms Resolution


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 Calcium-Free Proteinase K at 1.5 Angstroms Resolution within 5.0Å range: probe atom residue distance (Å) B Occ A:Na280 b:37.9 occ:1.00 O A:VAL177 2.3 14.5 1.0 O A:HOH389 2.3 17.6 0.9 O A:HOH429 2.3 29.2 0.8 O A:PRO175 2.5 14.0 1.0 OD2 A:ASP200 2.5 16.7 1.0 O A:HOH384 2.7 27.1 0.9 CG A:ASP200 3.2 16.5 1.0 OD1 A:ASP200 3.2 19.3 1.0 C A:PRO175 3.4 13.5 1.0 C A:VAL177 3.5 10.7 1.0 CA A:PRO175 3.9 18.8 1.0 N A:VAL177 4.0 14.6 1.0 O A:GLU174 4.0 13.2 1.0 CA A:CYS178 4.3 12.4 1.0 CA A:VAL177 4.3 10.9 1.0 N A:CYS178 4.4 9.4 1.0 N A:SER176 4.4 12.1 1.0 OG1 A:THR179 4.4 13.1 1.0 N A:THR179 4.4 15.6 1.0 O A:VAL198 4.5 14.3 1.0 C A:SER176 4.5 13.6 1.0 CB A:ASP200 4.6 12.9 1.0 CA A:SER176 4.8 13.0 1.0 C A:GLU174 4.9 13.9 1.0 C A:CYS178 4.9 16.2 1.0 N A:PRO175 4.9 18.7 1.0 CB A:THR179 5.0 14.0 1.0

A.Muller, W.Hinrichs, W.M.Wolf, W.Saenger. Crystal Structure of Calcium-Free Proteinase K at 1.5-A Resolution. J.Biol.Chem. V. 269 23108 1994.
ISSN: ISSN 0021-9258
PubMed: 8083213