Calcium in PDB 3a4a: Crystal Structure of Isomaltase From Saccharomyces Cerevisiae

All present enzymatic activity of Crystal Structure of Isomaltase From Saccharomyces Cerevisiae:
3.2.1.10;

The structure of Crystal Structure of Isomaltase From Saccharomyces Cerevisiae, PDB code: 3a4a was solved by K.Yamamoto, H.Miyake, M.Kusunoki, S.Osaki, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	23.00 / 1.60
Space group	C 1 2 1
Cell size a, b, c (Å), α, β, γ (°)	95.428, 115.404, 61.606, 90.00, 91.19, 90.00
R / Rfree (%)	15.9 / 17.4

The binding sites of Calcium atom in the Crystal Structure of Isomaltase From Saccharomyces Cerevisiae (pdb code 3a4a). 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 Crystal Structure of Isomaltase From Saccharomyces Cerevisiae, PDB code: 3a4a:

Calcium binding site 1 out of 1 in the Crystal Structure of Isomaltase From Saccharomyces Cerevisiae


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 Isomaltase From Saccharomyces Cerevisiae within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca602 b:9.2 occ:1.00 O A:HOH1089 2.2 14.0 1.0 O A:TRP36 2.3 7.7 1.0 OD1 A:ASN32 2.3 10.5 1.0 OD1 A:ASP30 2.3 9.6 1.0 OD2 A:ASP38 2.3 8.5 1.0 OD1 A:ASP34 2.4 9.5 1.0 CG A:ASP34 3.2 9.9 1.0 CG A:ASP30 3.3 8.7 1.0 CG A:ASN32 3.4 11.1 1.0 CG A:ASP38 3.4 8.5 1.0 C A:TRP36 3.5 8.3 1.0 OD2 A:ASP34 3.5 11.9 1.0 CB A:ASP38 3.9 8.5 1.0 ND2 A:ASN32 3.9 13.7 1.0 OD2 A:ASP30 4.1 10.2 1.0 N A:TRP36 4.1 9.0 1.0 N A:ASN32 4.2 9.9 1.0 CA A:TRP36 4.2 8.4 1.0 CB A:ASP30 4.2 8.4 1.0 CA A:ASP30 4.2 8.7 1.0 N A:SER31 4.2 9.7 1.0 C A:GLY37 4.3 7.3 1.0 O A:GLY37 4.3 7.7 1.0 CB A:TRP36 4.3 9.3 1.0 N A:ASP34 4.4 11.0 1.0 CB A:ASP34 4.5 10.2 1.0 N A:GLY37 4.5 7.2 1.0 OD1 A:ASP38 4.5 9.2 1.0 N A:ASP38 4.6 7.5 1.0 CB A:ASN32 4.6 11.0 1.0 CA A:GLY37 4.7 7.8 1.0 O A:THR83 4.7 9.9 1.0 C A:ASP30 4.7 9.1 1.0 CA A:ASN32 4.7 10.7 1.0 CA A:ASP34 4.8 10.7 1.0 N A:ASP33 4.8 11.1 1.0 N A:GLY35 4.8 10.1 1.0 C A:ASN32 4.8 11.2 1.0 CA A:ASP38 4.9 7.8 1.0

K.Yamamoto, H.Miyake, M.Kusunoki, S.Osaki. Crystal Structures of Isomaltase From Saccharomyces Cerevisiae and in Complex with Its Competitive Inhibitor Maltose Febs J. V. 277 4205 2010.
ISSN: ISSN 1742-464X
PubMed: 20812985
DOI: 10.1111/J.1742-4658.2010.07810.X