Calcium in PDB 2zpq: Crystal Structure of Anionic Trypsin Isoform 1 From Chum Salmon

The structure of Crystal Structure of Anionic Trypsin Isoform 1 From Chum Salmon, PDB code: 2zpq 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 / 1.90
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	65.023, 80.563, 80.821, 90.00, 90.00, 90.00
R / Rfree (%)	19.3 / 22.2

The binding sites of Calcium atom in the Crystal Structure of Anionic Trypsin Isoform 1 From Chum Salmon (pdb code 2zpq). 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 1 From Chum Salmon, PDB code: 2zpq:
Jump to Calcium binding site number: 1; 2;

Calcium binding site 1 out of 2 in the Crystal Structure of Anionic Trypsin Isoform 1 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 1 From Chum Salmon within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca3001 b:17.5 occ:1.00 OE1 A:GLU52 2.2 13.2 1.0 OE2 A:GLU62 2.3 20.3 1.0 O A:VAL57 2.3 20.4 1.0 O A:HOH3058 2.3 19.7 1.0 O A:ASN54 2.3 16.1 1.0 OE1 A:GLU59 2.4 18.7 1.0 CD A:GLU52 3.3 14.1 1.0 CD A:GLU59 3.3 21.1 1.0 CD A:GLU62 3.4 20.6 1.0 C A:ASN54 3.4 16.5 1.0 C A:VAL57 3.5 22.1 1.0 OE2 A:GLU52 3.8 16.0 1.0 CG A:GLU62 3.8 17.7 1.0 CG A:GLU59 3.8 19.2 1.0 N A:GLU59 4.1 20.7 1.0 CA A:THR58 4.2 22.5 1.0 OE2 A:GLU59 4.2 22.1 1.0 CA A:ILE55 4.2 16.9 1.0 N A:ASN54 4.2 15.3 1.0 N A:ILE55 4.2 16.2 1.0 N A:THR58 4.2 22.3 1.0 N A:VAL57 4.3 22.2 1.0 CA A:ASN54 4.4 16.3 1.0 CB A:GLU59 4.4 19.5 1.0 OE1 A:GLU62 4.5 20.7 1.0 CA A:VAL57 4.5 23.1 1.0 C A:THR58 4.5 22.6 1.0 CG A:GLU52 4.5 12.9 1.0 C A:ILE55 4.5 18.2 1.0 N A:HIS53 4.6 12.5 1.0 CB A:ASN54 4.7 19.4 1.0 CB A:GLU52 4.7 11.4 1.0 CA A:GLU52 4.7 12.6 1.0 N A:LYS56 4.8 18.0 1.0 CA A:GLU59 4.9 20.2 1.0

Calcium binding site 2 out of 2 in the Crystal Structure of Anionic Trypsin Isoform 1 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 1 From Chum Salmon within 5.0Å range: probe atom residue distance (Å) B Occ B:Ca3002 b:19.7 occ:1.00 OE1 B:GLU52 2.2 15.9 1.0 O B:VAL57 2.3 20.0 1.0 O B:ASN54 2.3 16.7 1.0 OE2 B:GLU62 2.4 19.5 1.0 OE1 B:GLU59 2.4 19.2 1.0 O B:HOH3257 2.4 17.8 1.0 CD B:GLU59 3.2 19.6 1.0 CD B:GLU52 3.3 15.3 1.0 CD B:GLU62 3.4 19.8 1.0 C B:ASN54 3.4 16.7 1.0 C B:VAL57 3.4 21.3 1.0 OE2 B:GLU52 3.7 13.6 1.0 CG B:GLU59 3.7 19.5 1.0 CG B:GLU62 3.7 18.5 1.0 N B:GLU59 4.0 21.3 1.0 OE2 B:GLU59 4.2 18.9 1.0 CA B:THR58 4.2 22.2 1.0 N B:ASN54 4.2 15.2 1.0 N B:ILE55 4.2 16.6 1.0 CA B:ILE55 4.2 17.0 1.0 N B:THR58 4.2 21.2 1.0 N B:VAL57 4.3 21.3 1.0 CB B:GLU59 4.3 20.0 1.0 CA B:ASN54 4.3 16.4 1.0 CA B:VAL57 4.4 21.8 1.0 C B:THR58 4.4 21.8 1.0 OE1 B:GLU62 4.5 19.2 1.0 C B:ILE55 4.5 17.9 1.0 CG B:GLU52 4.5 12.6 1.0 N B:HIS53 4.6 12.7 1.0 CB B:ASN54 4.6 17.7 1.0 CA B:GLU52 4.8 13.5 1.0 CB B:GLU52 4.8 12.8 1.0 N B:LYS56 4.8 18.2 1.0 CA B:GLU59 4.9 20.2 1.0 O B:HOH3263 5.0 36.1 1.0 O B:ILE55 5.0 18.2 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