Calcium in PDB 1dpo: Structure of Rat Trypsin

All present enzymatic activity of Structure of Rat Trypsin:
3.4.21.4;

The structure of Structure of Rat Trypsin, PDB code: 1dpo was solved by R.M.Stroud, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	12.00 / 1.59
Space group	I 2 3
Cell size a, b, c (Å), α, β, γ (°)	123.120, 123.120, 123.120, 90.00, 90.00, 90.00
R / Rfree (%)	17.4 / n/a

The binding sites of Calcium atom in the Structure of Rat Trypsin (pdb code 1dpo). 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 Structure of Rat Trypsin, PDB code: 1dpo:

Calcium binding site 1 out of 1 in the Structure of Rat Trypsin


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Structure of Rat Trypsin within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca246 b:13.6 occ:1.00 O A:HOH353 2.1 3.5 1.0 OE2 A:GLU80 2.1 6.8 1.0 O A:HOH347 2.1 3.4 0.9 OE1 A:GLU70 2.2 2.0 1.0 O A:ASN72 2.2 5.5 1.0 O A:VAL75 2.2 4.4 1.0 CD A:GLU70 3.2 5.3 1.0 CD A:GLU80 3.2 10.5 1.0 C A:VAL75 3.4 7.0 1.0 C A:ASN72 3.4 5.2 1.0 OE2 A:GLU70 3.6 3.9 1.0 CG A:GLU80 3.7 5.8 1.0 N A:GLU77 3.9 8.7 1.0 CA A:LEU76 4.0 6.3 1.0 N A:LEU76 4.1 8.3 1.0 N A:VAL75 4.2 5.3 1.0 OE1 A:GLU77 4.2 9.6 1.0 N A:ASN72 4.2 5.3 1.0 O A:HOH260 4.2 2.0 0.8 CA A:ILE73 4.2 3.6 1.0 CA A:ASN72 4.3 5.3 1.0 N A:ILE73 4.3 3.6 1.0 OE1 A:GLU80 4.3 10.1 1.0 CA A:VAL75 4.4 5.4 1.0 C A:LEU76 4.4 8.5 1.0 N A:HIS71 4.5 4.6 1.0 C A:ILE73 4.5 5.5 1.0 CG A:GLU70 4.5 6.2 1.0 CB A:ASN72 4.5 3.4 1.0 O A:HOH395 4.6 14.1 0.9 CG A:GLU77 4.6 11.5 1.0 CA A:GLU70 4.7 4.4 1.0 CB A:GLU77 4.7 10.3 1.0 CD A:GLU77 4.8 15.7 1.0 CD2 A:LEU76 4.8 17.9 1.0 N A:ASN74 4.8 5.0 1.0 CB A:GLU70 4.8 4.0 1.0 O A:ILE73 4.9 4.8 1.0 CA A:GLU77 5.0 9.7 1.0 C A:HIS71 5.0 4.0 1.0

T.Earnest, E.Fauman, C.S.Craik, R.Stroud. 1.59 A Structure of Trypsin at 120 K: Comparison of Low Temperature and Room Temperature Structures. Proteins V. 10 171 1991.
ISSN: ISSN 0887-3585
PubMed: 1881877
DOI: 10.1002/PROT.340100303