Calcium in PDB 1psj: Acidic Phospholipase A2 From Agkistrodon Halys Pallas

All present enzymatic activity of Acidic Phospholipase A2 From Agkistrodon Halys Pallas:
3.1.1.4;

The structure of Acidic Phospholipase A2 From Agkistrodon Halys Pallas, PDB code: 1psj was solved by X.Q.Wang, Z.J.Lin, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	6.00 / 2.00
Space group	P 61
Cell size a, b, c (Å), α, β, γ (°)	83.570, 83.570, 32.720, 90.00, 90.00, 120.00
R / Rfree (%)	15.7 / 22.8

The binding sites of Calcium atom in the Acidic Phospholipase A2 From Agkistrodon Halys Pallas (pdb code 1psj). 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 Acidic Phospholipase A2 From Agkistrodon Halys Pallas, PDB code: 1psj:

Calcium binding site 1 out of 1 in the Acidic Phospholipase A2 From Agkistrodon Halys Pallas


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Acidic Phospholipase A2 From Agkistrodon Halys Pallas within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca200 b:5.0 occ:0.55 O A:GLY30 2.2 11.9 1.0 O A:TYR28 2.3 3.6 1.0 O A:GLY32 2.3 14.0 1.0 OD2 A:ASP49 2.5 18.0 1.0 O A:HOH212 2.8 58.3 1.0 OD1 A:ASP49 2.8 17.7 1.0 CG A:ASP49 3.0 18.6 1.0 O A:HOH213 3.2 24.6 1.0 C A:TYR28 3.4 5.5 1.0 C A:GLY32 3.5 12.9 1.0 C A:GLY30 3.5 11.3 1.0 N A:GLY32 3.7 12.0 1.0 CA A:TYR28 3.9 6.5 1.0 C A:TRP31 3.9 12.7 1.0 N A:GLY30 3.9 9.3 1.0 CA A:GLY32 4.1 12.8 1.0 O A:TRP31 4.2 13.8 1.0 CB A:TYR28 4.2 9.7 1.0 CA A:TRP31 4.3 10.0 1.0 N A:TRP31 4.3 9.7 1.0 CA A:GLY30 4.4 10.0 1.0 N A:CYS29 4.4 3.3 1.0 N A:GLY33 4.5 13.7 1.0 O A:HOH211 4.5 39.3 1.0 CB A:ASP49 4.5 11.9 1.0 O A:HOH253 4.6 30.6 1.0 CD1 A:TYR28 4.6 6.2 1.0 O A:CYS45 4.7 6.0 1.0 CA A:CYS29 4.7 6.7 1.0 C A:CYS29 4.7 8.0 1.0 CA A:GLY33 4.8 13.7 1.0 O A:HOH214 4.9 55.6 1.0 CG A:TYR28 5.0 8.5 1.0

X.Q.Wang, J.Yang, L.L.Gui, Z.J.Lin, Y.C.Chen, Y.C.Zhou. Crystal Structure of An Acidic Phospholipase A2 From the Venom of Agkistrodon Halys Pallas at 2.0 A Resolution. J.Mol.Biol. V. 255 669 1996.
ISSN: ISSN 0022-2836
PubMed: 8636969
DOI: 10.1006/JMBI.1996.0054