Calcium in PDB 2zpr: Crystal Structure of Anionic Trypsin Isoform 2 From Chum Salmon

The structure of Crystal Structure of Anionic Trypsin Isoform 2 From Chum Salmon, PDB code: 2zpr was solved by D.Iyaguchi, E.Toyota, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	20.00 / 1.75
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	61.381, 75.292, 82.003, 90.00, 90.00, 90.00
R / Rfree (%)	20.6 / 22.3

The binding sites of Calcium atom in the Crystal Structure of Anionic Trypsin Isoform 2 From Chum Salmon (pdb code 2zpr). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total 2 binding sites of Calcium where determined in the Crystal Structure of Anionic Trypsin Isoform 2 From Chum Salmon, PDB code: 2zpr:
Jump to Calcium binding site number: 1; 2;

Calcium binding site 1 out of 2 in the Crystal Structure of Anionic Trypsin Isoform 2 From Chum Salmon


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Crystal Structure of Anionic Trypsin Isoform 2 From Chum Salmon within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca2001 b:22.9 occ:1.00 O A:ASN54 2.2 23.8 1.0 OE1 A:GLU52 2.3 18.8 1.0 OE2 A:GLU62 2.3 22.4 1.0 O A:VAL57 2.3 26.6 1.0 O A:HOH2077 2.4 19.9 1.0 OE1 A:GLU59 2.4 25.5 1.0 CD A:GLU59 3.3 27.6 1.0 C A:ASN54 3.3 21.8 1.0 CD A:GLU62 3.3 22.9 1.0 CD A:GLU52 3.3 21.5 1.0 C A:VAL57 3.5 26.1 1.0 CG A:GLU62 3.8 21.7 1.0 OE2 A:GLU52 3.8 21.7 1.0 CG A:GLU59 3.9 26.5 1.0 N A:GLU59 4.1 24.5 1.0 CA A:ILE55 4.1 22.9 1.0 N A:ILE55 4.2 23.1 1.0 N A:ASN54 4.2 22.4 1.0 OE2 A:GLU59 4.2 27.6 1.0 CA A:THR58 4.3 24.5 1.0 N A:VAL57 4.3 26.4 1.0 CA A:ASN54 4.3 23.2 1.0 N A:THR58 4.3 24.0 1.0 O A:HOH2033 4.3 20.4 1.0 OE1 A:GLU62 4.4 22.6 1.0 CA A:VAL57 4.4 26.8 1.0 CB A:GLU59 4.5 24.2 1.0 C A:ILE55 4.5 23.1 1.0 CG A:GLU52 4.6 20.8 1.0 C A:THR58 4.6 25.6 1.0 CB A:ASN54 4.6 21.9 1.0 N A:HIS53 4.6 22.7 1.0 CA A:GLU52 4.8 22.0 1.0 N A:LYS56 4.8 24.6 1.0 CB A:GLU52 4.8 22.4 1.0 CA A:GLU59 5.0 25.6 1.0 O A:ILE55 5.0 22.0 1.0

Calcium binding site 2 out of 2 in the Crystal Structure of Anionic Trypsin Isoform 2 From Chum Salmon


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 2 of Crystal Structure of Anionic Trypsin Isoform 2 From Chum Salmon within 5.0Å range: probe atom residue distance (Å) B Occ B:Ca2002 b:20.8 occ:1.00 OE1 B:GLU52 2.2 22.1 1.0 OE2 B:GLU62 2.3 21.7 1.0 O B:VAL57 2.3 24.3 1.0 OE1 B:GLU59 2.4 24.6 1.0 O B:HOH2181 2.4 19.5 1.0 O B:ASN54 2.4 19.6 1.0 CD B:GLU62 3.3 21.4 1.0 CD B:GLU52 3.3 21.5 1.0 CD B:GLU59 3.3 24.7 1.0 C B:VAL57 3.4 22.5 1.0 C B:ASN54 3.5 19.7 1.0 CG B:GLU62 3.7 19.7 1.0 OE2 B:GLU52 3.8 21.5 1.0 CG B:GLU59 4.0 23.3 1.0 N B:GLU59 4.0 22.1 1.0 CA B:THR58 4.2 21.9 1.0 OE2 B:GLU59 4.2 26.4 1.0 N B:THR58 4.3 21.4 1.0 N B:VAL57 4.3 22.9 1.0 CA B:ILE55 4.3 19.3 1.0 N B:ILE55 4.3 18.8 1.0 N B:ASN54 4.3 19.4 1.0 O B:HOH2110 4.4 18.3 1.0 CA B:VAL57 4.4 22.9 1.0 OE1 B:GLU62 4.4 21.6 1.0 CB B:GLU59 4.4 21.6 1.0 CA B:ASN54 4.5 19.9 1.0 CG B:GLU52 4.6 20.4 1.0 C B:THR58 4.6 22.7 1.0 C B:ILE55 4.6 20.9 1.0 N B:HIS53 4.6 19.9 1.0 CA B:GLU52 4.7 19.1 1.0 CB B:GLU52 4.8 20.7 1.0 CB B:ASN54 4.8 21.9 1.0 N B:LYS56 4.9 21.0 1.0 CA B:GLU59 4.9 22.2 1.0

E.Toyota, D.Iyaguchi, H.Sekizaki, M.Tateyama, K.K.Ng. A Structural Comparison of Three Isoforms of Anionic Trypsin From Chum Salmon (Oncorhynchus Keta). Acta Crystallogr.,Sect.D V. 65 717 2009.
ISSN: ISSN 0907-4449
PubMed: 19564692
DOI: 10.1107/S0907444909012165