Calcium in PDB 1qa0: Bovine Trypsin 2-Aminobenzimidazole Complex

All present enzymatic activity of Bovine Trypsin 2-Aminobenzimidazole Complex:
3.4.21.4;

The structure of Bovine Trypsin 2-Aminobenzimidazole Complex, PDB code: 1qa0 was solved by M.Whitlow, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	10.00 / 1.80
Space group	P 31 2 1
Cell size a, b, c (Å), α, β, γ (°)	55.020, 55.020, 109.140, 90.00, 90.00, 120.00
R / Rfree (%)	n/a / n/a

The binding sites of Calcium atom in the Bovine Trypsin 2-Aminobenzimidazole Complex (pdb code 1qa0). 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 Bovine Trypsin 2-Aminobenzimidazole Complex, PDB code: 1qa0:

Calcium binding site 1 out of 1 in the Bovine Trypsin 2-Aminobenzimidazole Complex


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Bovine Trypsin 2-Aminobenzimidazole Complex within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca301 b:21.3 occ:1.00 OE1 A:GLU58 2.3 17.4 1.0 O A:ASN60 2.3 21.0 1.0 O A:VAL63 2.3 18.9 1.0 OE2 A:GLU68 2.4 19.0 1.0 O A:HOH365 2.4 19.8 1.0 O A:HOH333 2.6 22.9 1.0 CD A:GLU58 3.3 17.9 1.0 CD A:GLU68 3.5 17.5 1.0 C A:VAL63 3.5 19.6 1.0 C A:ASN60 3.5 18.1 1.0 CG A:GLU68 3.8 20.6 1.0 OE2 A:GLU58 3.8 21.0 1.0 OE1 A:GLU65 3.9 31.0 1.0 N A:GLU65 4.1 21.9 1.0 CA A:VAL64 4.2 23.2 1.0 N A:ASN60 4.2 17.2 1.0 N A:VAL63 4.3 14.5 1.0 N A:VAL64 4.3 20.5 1.0 N A:ILE61 4.4 18.6 1.0 CA A:ILE61 4.4 18.6 1.0 N A:ASP59 4.4 16.5 1.0 CA A:ASN60 4.4 19.1 1.0 CA A:VAL63 4.5 18.7 1.0 OE1 A:GLU68 4.5 18.4 1.0 CD A:GLU65 4.6 30.7 1.0 O A:HOH332 4.6 23.3 1.0 CG A:GLU65 4.6 26.1 1.0 CG A:GLU58 4.7 18.8 1.0 C A:VAL64 4.7 22.6 1.0 C A:ILE61 4.7 19.9 1.0 CA A:GLU58 4.7 16.7 1.0 CB A:GLU65 4.7 22.5 1.0 CB A:GLU58 4.8 17.2 1.0 N A:ASN62 4.9 17.1 1.0 CB A:ASN60 4.9 21.2 1.0 C A:ASP59 5.0 20.1 1.0

M.Whitlow, D.O.Arnaiz, B.O.Buckman, D.D.Davey, B.Griedel, W.J.Guilford, S.K.Koovakkat, A.Liang, R.Mohan, G.B.Phillips, M.Seto, K.J.Shaw, W.Xu, Z.Zhao, D.R.Light, M.M.Morrissey. Crystallographic Analysis of Potent and Selective Factor Xa Inhibitors Complexed to Bovine Trypsin. Acta Crystallogr.,Sect.D V. 55 1395 1999.
ISSN: ISSN 0907-4449
PubMed: 10417407
DOI: 10.1107/S0907444999007350