Calcium in PDB 1sgt: Refined Crystal Structure of Streptomyces Griseus Trypsin at 1.7 Angstroms Resolution

All present enzymatic activity of Refined Crystal Structure of Streptomyces Griseus Trypsin at 1.7 Angstroms Resolution:
3.4.21.4;

The structure of Refined Crystal Structure of Streptomyces Griseus Trypsin at 1.7 Angstroms Resolution, PDB code: 1sgt was solved by R.J.Read, M.N.G.James, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	8.00 / 1.70
Space group	C 2 2 21
Cell size a, b, c (Å), α, β, γ (°)	72.290, 50.980, 120.090, 90.00, 90.00, 90.00
R / Rfree (%)	n/a / n/a

The binding sites of Calcium atom in the Refined Crystal Structure of Streptomyces Griseus Trypsin at 1.7 Angstroms Resolution (pdb code 1sgt). 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 Refined Crystal Structure of Streptomyces Griseus Trypsin at 1.7 Angstroms Resolution, PDB code: 1sgt:

Calcium binding site 1 out of 1 in the Refined Crystal Structure of Streptomyces Griseus Trypsin at 1.7 Angstroms Resolution


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Refined Crystal Structure of Streptomyces Griseus Trypsin at 1.7 Angstroms Resolution within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca246 b:13.2 occ:1.00 O A:ALA177A 2.2 18.1 1.0 O A:GLU180 2.3 12.2 1.0 O A:HOH259 2.3 16.2 1.0 O A:HOH261 2.4 17.6 1.0 OE2 A:GLU230 2.4 12.9 1.0 OD2 A:ASP165 2.4 11.6 1.0 OD1 A:ASP165 2.5 14.0 1.0 CG A:ASP165 2.8 16.8 1.0 C A:ALA177A 3.4 14.8 1.0 C A:GLU180 3.5 11.7 1.0 CD A:GLU230 3.5 17.8 1.0 OE1 A:GLU230 3.9 16.0 1.0 O A:HOH249 4.0 11.0 1.0 CA A:ALA177A 4.1 14.9 1.0 CA A:ILE181 4.2 10.1 1.0 N A:ILE181 4.3 10.0 1.0 CB A:ASP165 4.3 9.7 1.0 N A:GLU180 4.4 11.7 1.0 O A:HOH364 4.4 40.9 0.9 N A:ASN178 4.5 13.9 1.0 CA A:GLU180 4.5 10.6 1.0 O A:HOH325 4.6 26.8 0.7 CB A:ILE181 4.6 11.9 1.0 CA A:ASN178 4.7 15.5 1.0 CB A:ALA177A 4.7 20.9 1.0 CG A:GLU230 4.7 15.3 1.0 C A:ASN178 4.8 14.3 1.0 O A:HOH292 4.9 26.3 1.0 CB A:GLU230 4.9 11.2 1.0 O A:HOH285 5.0 22.1 0.9

R.J.Read, M.N.James. Refined Crystal Structure of Streptomyces Griseus Trypsin at 1.7 A Resolution. J.Mol.Biol. V. 200 523 1988.
ISSN: ISSN 0022-2836
PubMed: 3135412
DOI: 10.1016/0022-2836(88)90541-4