Calcium in PDB 5xw1: Crystal Structure of Porcine Pancreatic Trypsin with Tripeptide Inhibitor, Prn, at PH10

All present enzymatic activity of Crystal Structure of Porcine Pancreatic Trypsin with Tripeptide Inhibitor, Prn, at PH10:
3.4.21.4;

The structure of Crystal Structure of Porcine Pancreatic Trypsin with Tripeptide Inhibitor, Prn, at PH10, PDB code: 5xw1 was solved by N.S.Saikhedkar, A.S.Bhoite, A.P.Giri, K.A.Kulkarni, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	41.58 / 1.90
Space group	P 61 2 2
Cell size a, b, c (Å), α, β, γ (°)	83.165, 83.165, 135.232, 90.00, 90.00, 120.00
R / Rfree (%)	14.5 / 17.3

The binding sites of Calcium atom in the Crystal Structure of Porcine Pancreatic Trypsin with Tripeptide Inhibitor, Prn, at PH10 (pdb code 5xw1). 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 Trypsin with Tripeptide Inhibitor, Prn, at PH10, PDB code: 5xw1:

Calcium binding site 1 out of 1 in the Crystal Structure of Porcine Pancreatic Trypsin with Tripeptide Inhibitor, Prn, at PH10


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 Trypsin with Tripeptide Inhibitor, Prn, at PH10 within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca301 b:12.6 occ:1.00 OE2 A:GLU70 2.3 13.2 1.0 O A:HOH440 2.3 11.0 1.0 OE1 A:GLU60 2.3 14.8 1.0 O A:ASN62 2.3 10.4 1.0 O A:VAL65 2.3 13.9 1.0 OE1 A:GLU67 2.4 32.3 1.0 CD A:GLU70 3.3 13.3 1.0 CD A:GLU67 3.4 32.3 1.0 CD A:GLU60 3.4 12.5 1.0 C A:VAL65 3.5 15.1 1.0 C A:ASN62 3.5 13.2 1.0 CG A:GLU70 3.7 13.4 1.0 OE2 A:GLU60 3.8 13.1 1.0 CG A:GLU67 3.9 26.8 1.0 N A:GLU67 4.1 15.5 1.0 CA A:LEU66 4.2 16.7 1.0 N A:VAL65 4.2 10.5 1.0 N A:LEU66 4.2 13.7 1.0 CA A:ILE63 4.2 9.9 1.0 OE2 A:GLU67 4.3 24.1 1.0 N A:ILE63 4.3 8.8 1.0 N A:ASN62 4.4 11.8 1.0 CA A:ASN62 4.4 9.1 1.0 CA A:VAL65 4.5 11.4 1.0 OE1 A:GLU70 4.5 14.6 1.0 O A:HOH438 4.5 21.6 1.0 C A:ILE63 4.5 10.9 1.0 C A:LEU66 4.6 20.4 1.0 CB A:GLU67 4.6 20.7 1.0 CG A:GLU60 4.7 8.5 1.0 CB A:ASN62 4.7 9.5 1.0 N A:HIS61 4.7 9.8 1.0 O A:HOH509 4.8 29.0 1.0 N A:ASP64 4.8 11.0 1.0 CA A:GLU60 4.8 10.1 1.0 CB A:GLU60 4.9 11.5 1.0 O A:ILE63 5.0 11.5 1.0

R.S.Joshi, N.S.Saikhedkar, A.S.Bhoite, R.Mohandasan, A.K.Yadav, M.Fernandes, K.A.Kulkarni, A.P.Giri. Reactive Centre Loop Peptides Devoid of Potato Protease Inhibitor-II Protein Scaffold Inhibit Serine Proteases To Be Published.