Calcium in PDB 1avx: Complex Porcine Pancreatic Trypsin/Soybean Trypsin Inhibitor, Tetragonal Crystal Form

All present enzymatic activity of Complex Porcine Pancreatic Trypsin/Soybean Trypsin Inhibitor, Tetragonal Crystal Form:
3.4.21.4;

The structure of Complex Porcine Pancreatic Trypsin/Soybean Trypsin Inhibitor, Tetragonal Crystal Form, PDB code: 1avx was solved by H.K.Song, S.W.Suh, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	8.00 / 1.90
Space group	P 41 21 2
Cell size a, b, c (Å), α, β, γ (°)	62.450, 62.450, 229.110, 90.00, 90.00, 90.00
R / Rfree (%)	21.6 / 28

The binding sites of Calcium atom in the Complex Porcine Pancreatic Trypsin/Soybean Trypsin Inhibitor, Tetragonal Crystal Form (pdb code 1avx). 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 Porcine Pancreatic Trypsin/Soybean Trypsin Inhibitor, Tetragonal Crystal Form, PDB code: 1avx:

Calcium binding site 1 out of 1 in the Complex Porcine Pancreatic Trypsin/Soybean Trypsin Inhibitor, Tetragonal Crystal Form


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Complex Porcine Pancreatic Trypsin/Soybean Trypsin Inhibitor, Tetragonal Crystal Form within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca700 b:33.5 occ:1.00 O A:ASN72 2.3 3.1 1.0 O A:HOH859 2.3 22.2 1.0 O A:VAL75 2.3 9.0 1.0 OE2 A:GLU80 2.7 16.9 1.0 OE1 A:GLU70 2.8 18.5 1.0 OE1 A:GLU77 3.4 28.2 1.0 C A:ASN72 3.4 10.1 1.0 C A:VAL75 3.5 14.2 1.0 CD A:GLU80 3.7 32.6 1.0 N A:ASN72 3.9 4.4 1.0 CG A:GLU80 4.0 32.0 1.0 N A:HIS71 4.0 2.4 1.0 CG A:GLU77 4.0 40.3 1.0 CD A:GLU70 4.1 17.2 1.0 CD A:GLU77 4.1 34.8 1.0 N A:GLU77 4.2 30.9 1.0 O A:HOH803 4.2 26.7 1.0 N A:ILE73 4.2 9.6 1.0 CA A:ILE73 4.3 2.0 1.0 N A:VAL75 4.3 14.9 1.0 CA A:ASN72 4.3 5.8 1.0 CA A:GLU70 4.4 2.0 1.0 N A:LEU76 4.4 19.8 1.0 CA A:VAL75 4.4 12.6 1.0 CA A:LEU76 4.5 22.7 1.0 CB A:GLU77 4.6 36.2 1.0 CB A:ASN72 4.6 6.7 1.0 C A:GLU70 4.7 9.6 1.0 C A:ILE73 4.7 8.0 1.0 OE1 A:GLU80 4.8 27.3 1.0 CB A:GLU70 4.8 6.1 1.0 N A:ASP74 4.8 6.4 1.0 OE2 A:GLU70 4.8 29.9 1.0 C A:LEU76 4.8 25.8 1.0 C A:HIS71 4.9 6.9 1.0 CA A:HIS71 5.0 3.4 1.0 CB A:VAL75 5.0 6.7 1.0

H.K.Song, S.W.Suh. Kunitz-Type Soybean Trypsin Inhibitor Revisited: Refined Structure of Its Complex with Porcine Trypsin Reveals An Insight Into the Interaction Between A Homologous Inhibitor From Erythrina Caffra and Tissue-Type Plasminogen Activator. J.Mol.Biol. V. 275 347 1998.
ISSN: ISSN 0022-2836
PubMed: 9466914
DOI: 10.1006/JMBI.1997.1469