Calcium in PDB 2azy: Crystal Structure of Porcine Pancreatic Phospholipase A2 in Complex with Cholate

All present enzymatic activity of Crystal Structure of Porcine Pancreatic Phospholipase A2 in Complex with Cholate:
3.1.1.4;

The structure of Crystal Structure of Porcine Pancreatic Phospholipase A2 in Complex with Cholate, PDB code: 2azy was solved by Y.H.Pan, B.J.Bahnson, M.K.Jain, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	35.00 / 1.90
Space group	P 31 2 1
Cell size a, b, c (Å), α, β, γ (°)	70.030, 70.030, 64.453, 90.00, 90.00, 120.00
R / Rfree (%)	16.7 / 20

The binding sites of Calcium atom in the Crystal Structure of Porcine Pancreatic Phospholipase A2 in Complex with Cholate (pdb code 2azy). 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 Crystal Structure of Porcine Pancreatic Phospholipase A2 in Complex with Cholate, PDB code: 2azy:

Calcium binding site 1 out of 1 in the Crystal Structure of Porcine Pancreatic Phospholipase A2 in Complex with Cholate


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 Porcine Pancreatic Phospholipase A2 in Complex with Cholate within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca231 b:4.7 occ:0.50 OE2 A:GLU92 2.3 21.0 1.0 OE1 A:GLU71 2.3 23.7 1.0 O A:SER72 2.4 18.9 1.0 CD A:GLU92 3.4 20.6 1.0 C A:SER72 3.4 18.9 1.0 CD A:GLU71 3.5 24.2 1.0 N A:SER72 3.6 17.5 1.0 CG A:GLU92 3.9 18.2 1.0 CA A:SER72 3.9 18.6 1.0 O A:HOH307 4.0 24.1 1.0 CB A:SER72 4.1 19.6 1.0 OE2 A:GLU71 4.3 27.7 1.0 CG A:GLU71 4.4 20.6 1.0 OE1 A:GLU92 4.4 19.6 1.0 C A:GLU71 4.5 18.8 1.0 N A:TYR73 4.6 19.1 1.0 CA A:GLU71 4.8 19.6 1.0

Y.H.Pan, B.J.Bahnson. Structural Basis For Bile Salt Inhibition of Pancreatic Phospholipase A2. J.Mol.Biol. V. 369 439 2007.
ISSN: ISSN 0022-2836
PubMed: 17434532
DOI: 10.1016/J.JMB.2007.03.034