Sodium in PDB 7a68: Proteinase K Crystallized From 0.5 M NANO3

All present enzymatic activity of Proteinase K Crystallized From 0.5 M NANO3:
3.4.21.64;

The structure of Proteinase K Crystallized From 0.5 M NANO3, PDB code: 7a68 was solved by K.B.Ilina, A.G.Kulikov, V.I.Timofeev, M.A.Marchenkova, Y.V.Pisarevsky, M.V.Kovalchuk, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	28.90 / 2.55
Space group	P 43 21 2
Cell size a, b, c (Å), α, β, γ (°)	68.320, 68.320, 108.100, 90.00, 90.00, 90.00
R / Rfree (%)	14.7 / 20

The binding sites of Sodium atom in the Proteinase K Crystallized From 0.5 M NANO3 (pdb code 7a68). This binding sites where shown within 5.0 Angstroms radius around Sodium atom.
In total 2 binding sites of Sodium where determined in the Proteinase K Crystallized From 0.5 M NANO3, PDB code: 7a68:
Jump to Sodium binding site number: 1; 2;

Sodium binding site 1 out of 2 in the Proteinase K Crystallized From 0.5 M NANO3


Mono view


Stereo pair view

A full contact list of Sodium with other atoms in the Na binding site number 1 of Proteinase K Crystallized From 0.5 M NANO3 within 5.0Å range: probe atom residue distance (Å) B Occ A:Na301 b:15.7 occ:1.00 OD2 A:ASP260 2.3 28.6 1.0 O A:THR16 2.4 15.7 1.0 OD1 A:ASP260 2.5 29.3 1.0 CG A:ASP260 2.7 26.8 1.0 C A:THR16 3.6 15.7 1.0 CB A:ASP260 4.2 24.3 1.0 CA A:THR16 4.5 15.5 1.0 N A:SER17 4.5 16.9 1.0 CB A:THR16 4.6 15.2 1.0 OD1 A:ASN257 4.6 14.0 1.0 CA A:SER17 4.6 18.2 1.0 CG A:ASN257 4.9 14.2 1.0

Sodium binding site 2 out of 2 in the Proteinase K Crystallized From 0.5 M NANO3


Mono view


Stereo pair view

A full contact list of Sodium with other atoms in the Na binding site number 2 of Proteinase K Crystallized From 0.5 M NANO3 within 5.0Å range: probe atom residue distance (Å) B Occ A:Na302 b:3.2 occ:1.00 O A:PRO175 2.2 10.0 1.0 OD2 A:ASP200 2.3 11.5 1.0 O A:VAL177 2.5 11.5 1.0 OD1 A:ASP200 2.9 11.9 1.0 CG A:ASP200 2.9 11.3 1.0 C A:PRO175 3.3 10.4 1.0 C A:VAL177 3.8 9.9 1.0 CA A:PRO175 4.0 10.6 1.0 O A:VAL198 4.2 12.3 1.0 N A:VAL177 4.2 9.5 1.0 N A:SER176 4.3 10.5 1.0 CB A:ASP200 4.4 11.3 1.0 C A:SER176 4.5 9.9 1.0 O A:GLU174 4.5 10.3 1.0 N A:CYS178 4.6 9.8 1.0 CA A:VAL177 4.7 9.6 1.0 CA A:CYS178 4.7 9.7 1.0 CA A:SER176 4.7 10.3 1.0 N A:THR179 4.8 9.0 1.0 OG1 A:THR179 4.9 8.0 1.0

K.B.Ilina, A.G.Kulikov, V.I.Timofeev, M.A.Marchenkova, Y.V.Pisarevsky, M.V.Kovalchuk. Proteinase K Crystallized From 0.5 M NANO3 To Be Published.