Calcium in PDB 1tkj: Streptomyces Griseus Aminopeptidase Complexed with D- Methionine

The structure of Streptomyces Griseus Aminopeptidase Complexed with D- Methionine, PDB code: 1tkj was solved by V.Reiland, R.Gilboa, A.Spungin-Bialik, D.Schomburg, Y.Shoham, S.Blumberg, G.Shoham, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	20.00 / 1.15
Space group	P 41 21 2
Cell size a, b, c (Å), α, β, γ (°)	60.962, 60.962, 144.705, 90.00, 90.00, 90.00
R / Rfree (%)	11.5 / 14.7

The structure of Streptomyces Griseus Aminopeptidase Complexed with D- Methionine also contains other interesting chemical elements:

Zinc

(Zn)

2 atoms

The binding sites of Calcium atom in the Streptomyces Griseus Aminopeptidase Complexed with D- Methionine (pdb code 1tkj). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total only one binding site of Calcium was determined in the Streptomyces Griseus Aminopeptidase Complexed with D- Methionine, PDB code: 1tkj:

Calcium binding site 1 out of 1 in the Streptomyces Griseus Aminopeptidase Complexed with D- Methionine


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Streptomyces Griseus Aminopeptidase Complexed with D- Methionine within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca905 b:8.6 occ:1.00 OD1 A:ASP3 2.2 10.9 0.5 OD1 A:ASP262 2.3 10.7 1.0 O A:HOH1448 2.4 13.6 1.0 O A:ILE4 2.4 9.3 1.0 O A:HOH1447 2.5 10.4 1.0 OD1 A:ASP266 2.5 9.5 1.0 OD2 A:ASP266 2.5 9.1 1.0 OD2 A:ASP3 2.6 14.1 0.5 OD1 A:ASP3 2.7 14.1 0.5 CG A:ASP266 2.9 8.0 1.0 CG A:ASP3 2.9 13.1 0.5 CG A:ASP262 3.4 11.0 1.0 CG A:ASP3 3.4 12.3 0.5 C A:ILE4 3.5 8.8 1.0 OD2 A:ASP262 3.8 15.9 1.0 N A:ILE4 3.9 9.1 1.0 OD2 A:ASP3 3.9 15.0 0.5 CA A:ILE4 4.2 8.9 1.0 C A:ASP3 4.2 10.4 0.5 N A:LEU6 4.3 8.8 1.0 O A:HOH1148 4.4 18.6 1.0 O A:ASP262 4.4 8.2 1.0 O A:HOH1450 4.4 37.1 1.0 CB A:ASP266 4.4 8.1 1.0 CB A:ASP3 4.4 12.8 0.5 N A:PRO5 4.5 9.0 1.0 CB A:ASP3 4.6 11.8 0.5 CA A:PRO5 4.6 9.5 1.0 O A:HOH1461 4.6 32.4 1.0 C A:ASP3 4.7 9.9 0.5 CB A:ASP262 4.7 9.1 1.0 CA A:ASP3 4.7 10.4 0.5 CB A:ILE4 4.7 8.6 1.0 O A:ASP3 4.7 10.2 0.5 O A:HOH1301 4.7 32.5 1.0 C A:PRO5 4.8 8.4 1.0 CA A:ASP3 4.8 10.4 0.5 C A:ASP262 4.9 7.3 1.0 CA A:ASP262 4.9 7.9 1.0 O A:HOH1066 5.0 13.9 1.0

V.Reiland, R.Gilboa, A.Spungin-Bialik, D.Schomburg, Y.Shoham, S.Blumberg, G.Shoham. Interactions of D Amino Acids with Streptomyces Griseus Aminopeptidase To Be Published.