Calcium in PDB 2ikc: Crystal Structure of Sheep Lactoperoxidase at 3.25 A Resolution Reveals the Binding Sites For Formate

All present enzymatic activity of Crystal Structure of Sheep Lactoperoxidase at 3.25 A Resolution Reveals the Binding Sites For Formate:
1.11.1.7;

The structure of Crystal Structure of Sheep Lactoperoxidase at 3.25 A Resolution Reveals the Binding Sites For Formate, PDB code: 2ikc was solved by I.A.Sheikh, N.Singh, A.K.Singh, S.Sharma, T.P.Singh, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	19.97 / 3.25
Space group	P 1
Cell size a, b, c (Å), α, β, γ (°)	59.080, 72.590, 84.470, 85.20, 84.07, 75.41
R / Rfree (%)	18.7 / 23

The structure of Crystal Structure of Sheep Lactoperoxidase at 3.25 A Resolution Reveals the Binding Sites For Formate also contains other interesting chemical elements:

Iron

(Fe)

2 atoms

The binding sites of Calcium atom in the Crystal Structure of Sheep Lactoperoxidase at 3.25 A Resolution Reveals the Binding Sites For Formate (pdb code 2ikc). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total 2 binding sites of Calcium where determined in the Crystal Structure of Sheep Lactoperoxidase at 3.25 A Resolution Reveals the Binding Sites For Formate, PDB code: 2ikc:
Jump to Calcium binding site number: 1; 2;

Calcium binding site 1 out of 2 in the Crystal Structure of Sheep Lactoperoxidase at 3.25 A Resolution Reveals the Binding Sites For Formate


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Crystal Structure of Sheep Lactoperoxidase at 3.25 A Resolution Reveals the Binding Sites For Formate within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca1001 b:2.0 occ:1.00 OD1 A:ASP188 2.3 2.0 1.0 OD1 A:ASP110 2.4 2.0 1.0 OG1 A:THR184 2.5 3.0 1.0 O A:ASP110 2.6 2.0 1.0 O A:PHE186 2.6 2.1 1.0 O A:THR184 2.6 2.0 1.0 OG A:SER190 2.8 3.4 1.0 CG A:ASP188 3.4 2.0 1.0 C A:THR184 3.5 2.0 1.0 C A:ASP110 3.7 2.0 1.0 CG A:ASP110 3.7 2.6 1.0 CB A:THR184 3.7 3.7 1.0 C A:PHE186 3.8 2.0 1.0 OD2 A:ASP188 3.9 2.2 1.0 CB A:SER190 3.9 2.9 1.0 N A:ASP188 4.0 2.0 1.0 CA A:THR184 4.0 2.5 1.0 N A:THR184 4.2 3.0 1.0 N A:PHE186 4.2 2.0 1.0 CA A:ASP110 4.3 2.0 1.0 N A:SER185 4.5 2.8 1.0 N A:SER190 4.5 2.0 1.0 CB A:ASP110 4.5 2.0 1.0 OD2 A:ASP110 4.5 2.6 1.0 CA A:PHE186 4.6 2.0 1.0 CB A:ASP188 4.6 2.0 1.0 C A:SER185 4.7 2.9 1.0 CA A:ASP188 4.7 2.0 1.0 N A:LEU187 4.7 2.0 1.0 N A:LEU111 4.7 2.9 1.0 CA A:LEU187 4.8 2.2 1.0 CA A:SER190 4.8 2.2 1.0 CG2 A:THR184 4.9 4.1 1.0 C A:ASP188 4.9 2.0 1.0 C A:LEU187 4.9 2.0 1.0 N A:ALA189 4.9 2.8 1.0 CA A:LEU111 4.9 2.0 1.0 CA A:SER185 5.0 2.3 1.0

Calcium binding site 2 out of 2 in the Crystal Structure of Sheep Lactoperoxidase at 3.25 A Resolution Reveals the Binding Sites For Formate


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 2 of Crystal Structure of Sheep Lactoperoxidase at 3.25 A Resolution Reveals the Binding Sites For Formate within 5.0Å range: probe atom residue distance (Å) B Occ B:Ca1002 b:2.0 occ:1.00 OD1 B:ASP110 2.3 8.0 1.0 O B:THR184 2.5 2.1 1.0 OD1 B:ASP188 2.5 3.5 1.0 O B:PHE186 2.5 3.0 1.0 OG1 B:THR184 2.5 2.0 1.0 O B:ASP110 2.6 2.0 1.0 OG B:SER190 2.7 5.1 1.0 CG B:ASP110 3.3 5.7 1.0 C B:THR184 3.4 2.8 1.0 CB B:SER190 3.4 3.5 1.0 CG B:ASP188 3.4 4.1 1.0 C B:PHE186 3.6 2.2 1.0 C B:ASP110 3.6 2.0 1.0 CB B:THR184 3.7 3.1 1.0 OD2 B:ASP110 3.8 7.9 1.0 OD2 B:ASP188 3.8 4.1 1.0 CA B:THR184 3.8 2.9 1.0 N B:PHE186 3.8 3.5 1.0 N B:THR184 4.0 3.0 1.0 N B:ASP188 4.1 2.0 1.0 N B:SER190 4.2 2.2 1.0 CA B:PHE186 4.2 2.2 1.0 CA B:ASP110 4.3 2.6 1.0 CB B:ASP110 4.4 4.6 1.0 CA B:SER190 4.5 3.1 1.0 N B:SER185 4.5 3.5 1.0 C B:SER185 4.6 3.5 1.0 N B:LEU111 4.6 2.2 1.0 CG2 B:THR184 4.6 3.2 1.0 CB B:ASP188 4.7 3.1 1.0 N B:LEU187 4.7 2.0 1.0 CA B:ASP188 4.8 2.0 1.0 CA B:LEU111 4.8 2.0 1.0 CB B:PHE186 4.8 2.0 1.0 CA B:LEU187 4.9 2.0 1.0 CA B:SER185 4.9 4.6 1.0 CD2 B:LEU111 4.9 2.0 1.0 C B:ASP188 5.0 2.1 1.0 N B:ALA189 5.0 2.5 1.0 C B:LEU187 5.0 2.0 1.0

I.A.Sheikh, N.Singh, A.K.Singh, S.Sharma, T.P.Singh. Crystal Structure of Sheep Lactoperoxidase at 3.25 A Resolution Reveals the Binding Sites For Formate To Be Published.