Calcium in PDB 1ept: Refined 1.8 Angstroms Resolution Crystal Structure of Porcine Epsilon-Trypsin

All present enzymatic activity of Refined 1.8 Angstroms Resolution Crystal Structure of Porcine Epsilon-Trypsin:
3.4.21.4;

The structure of Refined 1.8 Angstroms Resolution Crystal Structure of Porcine Epsilon-Trypsin, PDB code: 1ept was solved by Q.Huang, Z.Wang, Y.Li, S.Liu, Y.Tang, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	7.00 / 1.80
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	76.900, 53.400, 46.600, 90.00, 90.00, 90.00
R / Rfree (%)	18.4 / n/a

The binding sites of Calcium atom in the Refined 1.8 Angstroms Resolution Crystal Structure of Porcine Epsilon-Trypsin (pdb code 1ept). 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 1.8 Angstroms Resolution Crystal Structure of Porcine Epsilon-Trypsin, PDB code: 1ept:

Calcium binding site 1 out of 1 in the Refined 1.8 Angstroms Resolution Crystal Structure of Porcine Epsilon-Trypsin


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Refined 1.8 Angstroms Resolution Crystal Structure of Porcine Epsilon-Trypsin within 5.0Å range: probe atom residue distance (Å) B Occ B:Ca146 b:2.0 occ:1.00 H1 B:HOH157 1.6 0.0 1.0 OE2 B:GLU80 2.3 2.2 1.0 OE1 B:GLU70 2.3 2.4 1.0 OE2 B:GLU77 2.3 12.3 1.0 O B:VAL75 2.3 2.1 1.0 O B:ASN72 2.5 2.0 1.0 O B:HOH157 2.6 2.2 1.0 H2 B:HOH157 2.8 0.0 1.0 H B:GLU77 2.9 0.0 1.0 CD B:GLU77 3.0 4.8 1.0 CG B:GLU77 3.1 13.1 1.0 CD B:GLU80 3.3 20.3 1.0 CD B:GLU70 3.3 16.0 1.0 C B:VAL75 3.4 4.6 1.0 C B:ASN72 3.6 12.3 1.0 H B:ASN72 3.6 0.0 1.0 H B:VAL75 3.6 0.0 1.0 H B:HIS71 3.7 0.0 1.0 CG B:GLU80 3.7 15.1 1.0 OE2 B:GLU70 3.8 2.0 1.0 N B:GLU77 3.8 2.0 1.0 CB B:GLU77 4.0 23.5 0.0 CA B:LEU76 4.2 5.2 1.0 N B:LEU76 4.2 6.5 1.0 OE1 B:GLU77 4.2 66.8 1.0 N B:ASN72 4.2 2.0 1.0 N B:VAL75 4.3 2.0 1.0 CA B:ASN72 4.3 2.0 1.0 HD21 B:ASN79 4.3 0.0 1.0 OE1 B:GLU80 4.4 2.8 1.0 CA B:VAL75 4.4 7.8 1.0 CA B:ILE73 4.4 4.5 1.0 N B:ILE73 4.5 2.4 1.0 C B:LEU76 4.5 45.0 1.0 CB B:ASN72 4.5 2.0 1.0 CA B:GLU77 4.6 10.5 1.0 CG B:GLU70 4.6 2.0 1.0 N B:HIS71 4.6 8.2 1.0 C B:ILE73 4.7 6.0 1.0 CA B:GLU70 4.8 14.0 1.0 CB B:GLU70 4.9 2.0 1.0 H2 B:HOH162 5.0 0.0 1.0 O B:ILE73 5.0 2.6 1.0 N B:ASP74 5.0 2.0 1.0

Q.Huang, Z.Wang, Y.Li, S.Liu, Y.Tang. Refined 1.8 A Resolution Crystal Structure of the Porcine Epsilon-Trypsin. Biochim.Biophys.Acta V.1209 77 1994.
ISSN: ISSN 0006-3002
PubMed: 7947985
DOI: 10.1016/0167-4838(94)90139-2