Calcium in PDB 1h9h: Complex of Eeti-II with Porcine Trypsin

All present enzymatic activity of Complex of Eeti-II with Porcine Trypsin:
3.4.21.4;

The structure of Complex of Eeti-II with Porcine Trypsin, PDB code: 1h9h was solved by R.Kraetzner, A.Wentzel, H.Kolmar, I.Uson, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	10.00 / 1.50
Space group	P 41 3 2
Cell size a, b, c (Å), α, β, γ (°)	121.050, 121.050, 121.050, 90.00, 90.00, 90.00
R / Rfree (%)	23.3 / 27.6

The binding sites of Calcium atom in the Complex of Eeti-II with Porcine Trypsin (pdb code 1h9h). 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 Complex of Eeti-II with Porcine Trypsin, PDB code: 1h9h:

Calcium binding site 1 out of 1 in the Complex of Eeti-II with Porcine Trypsin


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Complex of Eeti-II with Porcine Trypsin within 5.0Å range: probe atom residue distance (Å) B Occ E:Ca1246 b:26.8 occ:1.00 O E:VAL75 2.3 17.8 1.0 O E:ASN72 2.3 15.5 1.0 OE2 E:GLU80 2.3 17.0 1.0 OE1 E:GLU70 2.3 21.8 1.0 O E:HOH2050 2.4 18.4 1.0 O E:HOH2044 2.6 30.4 1.0 CD E:GLU70 3.3 24.7 1.0 C E:ASN72 3.4 17.0 1.0 CD E:GLU80 3.4 22.9 1.0 C E:VAL75 3.4 16.9 1.0 OE2 E:GLU70 3.7 24.9 1.0 CG E:GLU80 3.8 24.8 1.0 N E:GLU77 4.0 20.0 1.0 N E:ASN72 4.1 14.7 1.0 CA E:LEU76 4.2 17.5 1.0 CA E:ASN72 4.2 14.0 1.0 N E:LEU76 4.2 18.2 1.0 N E:VAL75 4.3 17.9 1.0 CG E:GLU77 4.3 40.7 1.0 N E:ILE73 4.3 14.1 1.0 CA E:ILE73 4.4 16.2 1.0 O E:HOH2061 4.4 25.7 1.0 CA E:VAL75 4.4 19.7 1.0 N E:HIS71 4.5 14.5 1.0 OE1 E:GLU80 4.5 19.7 1.0 CB E:ASN72 4.5 15.4 1.0 C E:LEU76 4.6 23.2 1.0 CB E:GLU77 4.6 23.2 1.0 C E:ILE73 4.7 15.2 1.0 CG E:GLU70 4.7 19.3 1.0 CA E:GLU70 4.8 13.8 1.0 CB E:GLU70 4.9 17.9 1.0 N E:ASP74 5.0 14.8 1.0 CA E:GLU77 5.0 20.8 1.0

R.Kraetzner, J.E.Debreczeni, T.Pape, T.R.Schneider, A.Wentzel, H.Kolmar, G.M.Sheldrick, I.Uson. Structure of Ecballium Elaterium Trypsin Inhibitor II (Eeti-II): A Rigid Molecular Scaffold Acta Crystallogr.,Sect.D V. 61 1255 2005.
ISSN: ISSN 0907-4449
PubMed: 16131759
DOI: 10.1107/S0907444905021207