Calcium in PDB 1xjo: Structure of Aminopeptidase

The structure of Structure of Aminopeptidase, PDB code: 1xjo was solved by H.M.Greenblatt, D.Barra, 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 / 1.75
Space group	P 41 21 2
Cell size a, b, c (Å), α, β, γ (°)	61.810, 61.810, 146.300, 90.00, 90.00, 90.00
R / Rfree (%)	14.1 / n/a

The structure of Structure of Aminopeptidase also contains other interesting chemical elements:

Zinc

(Zn)

2 atoms

The binding sites of Calcium atom in the Structure of Aminopeptidase (pdb code 1xjo). 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 Structure of Aminopeptidase, PDB code: 1xjo:

Calcium binding site 1 out of 1 in the Structure of Aminopeptidase


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Structure of Aminopeptidase within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca905 b:14.5 occ:1.00 OD1 A:ASP3 2.1 35.2 1.0 OD1 A:ASP262 2.3 14.6 1.0 OD2 A:ASP266 2.4 15.5 1.0 O A:ILE4 2.4 15.1 1.0 O A:HOH349 2.5 17.1 1.0 O A:HOH519 2.5 21.4 1.0 OD1 A:ASP266 2.6 12.7 1.0 CG A:ASP266 2.9 14.4 1.0 CG A:ASP3 3.2 25.4 1.0 CG A:ASP262 3.2 19.6 1.0 C A:ILE4 3.5 11.7 1.0 OD2 A:ASP262 3.6 26.4 1.0 OD2 A:ASP3 3.6 0.0 1.0 N A:ILE4 3.8 12.2 1.0 CA A:ILE4 4.3 10.5 1.0 O A:ASP262 4.3 12.2 1.0 CB A:ASP266 4.4 11.9 1.0 C A:ASP3 4.4 17.8 1.0 N A:LEU6 4.4 14.7 1.0 N A:PRO5 4.5 16.3 1.0 CB A:ASP3 4.5 18.3 1.0 CA A:PRO5 4.6 13.6 1.0 CB A:ASP262 4.6 10.3 1.0 CA A:ASP3 4.7 12.8 1.0 CB A:ILE4 4.8 18.6 1.0 O A:HOH469 4.8 28.6 1.0 C A:ASP262 4.8 13.7 1.0 CA A:ASP262 4.9 10.9 1.0 C A:PRO5 4.9 10.5 1.0

H.M.Greenblatt, O.Almog, B.Maras, A.Spungin-Bialik, D.Barra, S.Blumberg, G.Shoham. Streptomyces Griseus Aminopeptidase: X-Ray Crystallographic Structure at 1.75 A Resolution. J.Mol.Biol. V. 265 620 1997.
ISSN: ISSN 0022-2836
PubMed: 9048953
DOI: 10.1006/JMBI.1996.0729