Calcium in PDB 2bza: Bovine Pancreas Beta-Trypsin in Complex with Benzylamine

All present enzymatic activity of Bovine Pancreas Beta-Trypsin in Complex with Benzylamine:
3.4.21.4;

The structure of Bovine Pancreas Beta-Trypsin in Complex with Benzylamine, PDB code: 2bza was solved by N.Ota, C.Stroupe, J.M.S.Ferreira-Da-Silva, S.S.Shah, M.Mares-Guia, A.T.Brunger, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	32.00 / 1.90
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	63.401, 63.722, 69.174, 90.00, 90.00, 90.00
R / Rfree (%)	17.5 / 19.5

The structure of Bovine Pancreas Beta-Trypsin in Complex with Benzylamine also contains other interesting chemical elements:

Chlorine

(Cl)

1 atom

The binding sites of Calcium atom in the Bovine Pancreas Beta-Trypsin in Complex with Benzylamine (pdb code 2bza). 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 Pancreas Beta-Trypsin in Complex with Benzylamine, PDB code: 2bza:

Calcium binding site 1 out of 1 in the Bovine Pancreas Beta-Trypsin in Complex with Benzylamine


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Bovine Pancreas Beta-Trypsin in Complex with Benzylamine within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca1 b:17.3 occ:1.00 O A:VAL75 2.3 16.9 1.0 OE1 A:GLU70 2.4 18.1 1.0 O A:ASN72 2.4 15.9 1.0 OE2 A:GLU80 2.5 16.5 1.0 O A:HOH729 2.5 15.6 1.0 O A:HOH711 2.5 14.2 1.0 CD A:GLU80 3.4 19.5 1.0 CD A:GLU70 3.5 19.6 1.0 C A:VAL75 3.5 18.4 1.0 C A:ASN72 3.5 17.2 1.0 CG A:GLU80 3.7 18.6 1.0 OE2 A:GLU70 3.8 19.7 1.0 N A:GLU77 4.1 18.9 1.0 CA A:VAL76 4.1 18.1 1.0 N A:VAL76 4.2 15.4 1.0 CA A:ILE73 4.3 15.7 1.0 N A:VAL75 4.3 18.3 1.0 OE1 A:GLU77 4.3 21.2 1.0 N A:ILE73 4.4 15.8 1.0 O A:HOH710 4.4 22.3 1.0 N A:ASN72 4.4 15.7 1.0 CA A:ASN72 4.5 18.4 1.0 CA A:VAL75 4.5 19.4 1.0 C A:ILE73 4.5 17.0 1.0 CG A:GLU77 4.5 24.6 1.0 OE1 A:GLU80 4.6 20.3 1.0 N A:ASP71 4.6 13.3 1.0 C A:VAL76 4.6 20.1 1.0 O A:HOH717 4.7 21.7 1.0 CG A:GLU70 4.7 12.8 1.0 CB A:ASN72 4.8 19.8 1.0 CB A:GLU77 4.8 20.2 1.0 CA A:GLU70 4.9 15.0 1.0 CD A:GLU77 4.9 25.8 1.0 N A:ASN74 4.9 17.6 1.0 O A:ILE73 4.9 14.4 1.0 CB A:GLU70 4.9 14.9 1.0

N.Ota, C.Stroupe, J.M.Ferreira-Da-Silva, S.A.Shah, M.Mares-Guia, A.T.Brunger. Non-Boltzmann Thermodynamic Integration (Nbti) For Macromolecular Systems: Relative Free Energy of Binding of Trypsin to Benzamidine and Benzylamine. Proteins V. 37 641 1999.
ISSN: ISSN 0887-3585
PubMed: 10651279
DOI: 10.1002/(SICI)1097-0134(19991201)37:4<641::AID-PROT14>3.0.CO;2-W