Calcium in PDB 1b90: Bacillus Cereus Beta-Amylase Apo Form

All present enzymatic activity of Bacillus Cereus Beta-Amylase Apo Form:
3.2.1.2;

The structure of Bacillus Cereus Beta-Amylase Apo Form, PDB code: 1b90 was solved by B.Mikami, M.Adachi, T.Kage, E.Sarikaya, T.Nanmori, R.Shinke, S.Utsumi, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	10.00 / 2.50
Space group	P 1 21 1
Cell size a, b, c (Å), α, β, γ (°)	57.075, 92.103, 65.671, 90.00, 101.81, 90.00
R / Rfree (%)	16.4 / 24.7

The binding sites of Calcium atom in the Bacillus Cereus Beta-Amylase Apo Form (pdb code 1b90). 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 Bacillus Cereus Beta-Amylase Apo Form, PDB code: 1b90:

Calcium binding site 1 out of 1 in the Bacillus Cereus Beta-Amylase Apo Form


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Bacillus Cereus Beta-Amylase Apo Form within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca930 b:39.5 occ:1.00 OE1 A:GLU144 2.1 30.0 1.0 OE1 A:GLU141 2.4 21.7 1.0 OE2 A:GLU56 2.4 25.2 1.0 OD1 A:ASP60 2.7 26.8 1.0 CD A:GLU56 3.3 22.8 1.0 CD A:GLU144 3.3 27.4 1.0 OE1 A:GLU56 3.4 22.4 1.0 CD A:GLU141 3.6 23.4 1.0 NZ A:LYS140 3.6 42.6 1.0 CG A:ASP60 3.8 27.5 1.0 CH2 A:TRP106 3.8 23.4 1.0 CB A:GLU144 3.9 19.4 1.0 CG A:GLN61 4.0 29.5 1.0 CA A:GLU141 4.1 14.3 1.0 O A:GLU141 4.2 19.7 1.0 CG A:GLU144 4.2 22.5 1.0 OE2 A:GLU144 4.2 28.5 1.0 OE2 A:GLU141 4.2 27.3 1.0 N A:GLN61 4.4 26.2 1.0 OD2 A:ASP60 4.4 31.1 1.0 CZ3 A:TRP106 4.5 27.0 1.0 CB A:GLU141 4.6 12.4 1.0 CG A:GLU141 4.6 16.3 1.0 OE1 A:GLN61 4.6 33.2 1.0 C A:GLU141 4.7 16.6 1.0 CD A:GLN61 4.7 31.8 1.0 CG A:GLU56 4.7 23.9 1.0 CZ2 A:TRP106 4.7 23.8 1.0 CA A:ASP60 4.7 28.8 1.0 CB A:ASP60 4.8 27.4 1.0 CZ A:PHE63 4.9 28.8 1.0 C A:ASP60 5.0 28.7 1.0 CA A:GLN61 5.0 24.5 1.0 N A:GLU141 5.0 17.4 1.0

B.Mikami, M.Adachi, T.Kage, E.Sarikaya, T.Nanmori, R.Shinke, S.Utsumi. Structure of Raw Starch-Digesting Bacillus Cereus Beta-Amylase Complexed with Maltose. Biochemistry V. 38 7050 1999.
ISSN: ISSN 0006-2960
PubMed: 10353816
DOI: 10.1021/BI9829377