Calcium in PDB 6iwk: The Structure of Maltooligosaccharide-Forming Amylase From Pseudomonas Saccharophila STB07

All present enzymatic activity of The Structure of Maltooligosaccharide-Forming Amylase From Pseudomonas Saccharophila STB07:
3.2.1.60;

The structure of The Structure of Maltooligosaccharide-Forming Amylase From Pseudomonas Saccharophila STB07, PDB code: 6iwk was solved by Z.F.Li, X.F.Ban, Z.Q.Zhang, C.M.Li, Z.B.Gu, T.C.Jin, Y.L.Li, Y.H.Shang, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	28.07 / 1.50
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	46.193, 64.768, 168.736, 90.00, 90.00, 90.00
R / Rfree (%)	19.8 / 20.7

The binding sites of Calcium atom in the The Structure of Maltooligosaccharide-Forming Amylase From Pseudomonas Saccharophila STB07 (pdb code 6iwk). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total 2 binding sites of Calcium where determined in the The Structure of Maltooligosaccharide-Forming Amylase From Pseudomonas Saccharophila STB07, PDB code: 6iwk:
Jump to Calcium binding site number: 1; 2;

Calcium binding site 1 out of 2 in the The Structure of Maltooligosaccharide-Forming Amylase From Pseudomonas Saccharophila STB07


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of The Structure of Maltooligosaccharide-Forming Amylase From Pseudomonas Saccharophila STB07 within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca503 b:17.0 occ:1.00 OD1 A:ASN116 2.4 18.1 1.0 OD2 A:ASP151 2.4 18.6 1.0 O A:GLY197 2.4 18.0 1.0 O A:ASP154 2.4 17.8 1.0 OD2 A:ASP162 2.5 18.5 1.0 OD1 A:ASP151 2.6 19.6 1.0 CG A:ASP151 2.9 19.1 1.0 C A:GLY197 3.4 16.9 1.0 CG A:ASN116 3.4 16.4 1.0 C A:ASP154 3.6 18.9 1.0 CG A:ASP162 3.6 19.0 1.0 CA A:GLY197 3.7 17.2 1.0 ND2 A:ASN116 3.9 17.1 1.0 CB A:ASP162 4.1 17.6 1.0 CA A:ARG155 4.3 19.6 1.0 C A:GLY153 4.3 19.2 1.0 O A:GLY153 4.3 19.9 1.0 CB A:ASP151 4.4 19.8 1.0 O A:ASN116 4.4 18.6 1.0 N A:ARG155 4.4 19.0 1.0 N A:ASP154 4.4 18.1 1.0 N A:TYR198 4.6 18.0 1.0 CB A:ASN116 4.6 16.6 1.0 O A:LEU163 4.7 20.2 1.0 CA A:ASP154 4.7 17.5 1.0 NH1 A:ARG137 4.7 21.1 1.0 OD1 A:ASP162 4.7 21.3 1.0 CA A:GLY153 4.8 19.0 1.0 N A:GLY153 4.8 18.8 1.0 CA A:ASN116 5.0 14.6 1.0

Calcium binding site 2 out of 2 in the The Structure of Maltooligosaccharide-Forming Amylase From Pseudomonas Saccharophila STB07


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 2 of The Structure of Maltooligosaccharide-Forming Amylase From Pseudomonas Saccharophila STB07 within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca504 b:20.1 occ:1.00 OE1 A:GLU17 2.3 22.9 1.0 O A:GLN2 2.3 26.2 1.0 OD1 A:ASP16 2.3 19.4 1.0 OD1 A:ASP1 2.3 31.4 1.0 O A:HIS13 2.4 18.4 1.0 ND1 A:HIS13 2.5 22.0 1.0 CG A:ASP1 3.1 30.5 1.0 OD2 A:ASP1 3.2 33.9 1.0 CE1 A:HIS13 3.4 23.3 1.0 CG A:ASP16 3.4 22.9 1.0 CD A:GLU17 3.4 20.1 1.0 C A:HIS13 3.4 20.2 1.0 C A:GLN2 3.5 28.0 1.0 CG A:HIS13 3.6 20.2 1.0 OD2 A:ASP16 3.7 25.9 1.0 CB A:HIS13 3.9 19.2 1.0 N A:GLN2 3.9 28.4 1.0 NZ A:LYS108 4.1 27.8 1.0 CG A:GLU17 4.1 18.1 1.0 CA A:GLN2 4.3 29.0 1.0 CA A:HIS13 4.3 19.9 1.0 N A:GLY14 4.3 19.0 1.0 OE2 A:GLU17 4.4 19.9 1.0 N A:ALA3 4.4 27.8 1.0 CA A:GLY14 4.4 20.2 1.0 CB A:ASP1 4.5 30.6 1.0 C A:ASP1 4.5 32.1 1.0 NE2 A:HIS13 4.5 24.2 1.0 CA A:ALA3 4.5 24.3 1.0 N A:ASP16 4.6 18.4 1.0 CD2 A:HIS13 4.7 21.1 1.0 CB A:ASP16 4.7 18.6 1.0 CA A:ASP1 4.8 31.0 1.0 N A:GLU17 4.8 18.8 1.0 C A:ASP16 4.8 19.6 1.0 CE A:LYS108 4.8 26.6 1.0 C A:GLY14 4.9 21.6 1.0 CA A:ASP16 5.0 19.2 1.0

Z.Q.Zhang, X.F.Ban, Z.F.Li, T.C.Jin, Y.L.Li, Z.B.Gu, C.M.Li, Y.H.Shang. Maltotetraose-Forming Amylase From Pseudomonas Saccharophila STB07 To Be Published.