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Calcium in PDB 1b9z: Bacillus Cereus Beta-Amylase Complexed with Maltose

Enzymatic activity of Bacillus Cereus Beta-Amylase Complexed with Maltose

All present enzymatic activity of Bacillus Cereus Beta-Amylase Complexed with Maltose:
3.2.1.2;

Protein crystallography data

The structure of Bacillus Cereus Beta-Amylase Complexed with Maltose, PDB code: 1b9z 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) 11.00 / 2.10
Space group P 1 21 1
Cell size a, b, c (Å), α, β, γ (°) 58.160, 93.740, 66.660, 90.00, 102.44, 90.00
R / Rfree (%) 17 / 22

Calcium Binding Sites:

The binding sites of Calcium atom in the Bacillus Cereus Beta-Amylase Complexed with Maltose (pdb code 1b9z). 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 Complexed with Maltose, PDB code: 1b9z:

Calcium binding site 1 out of 1 in 1b9z

Go back to Calcium Binding Sites List in 1b9z
Calcium binding site 1 out of 1 in the Bacillus Cereus Beta-Amylase Complexed with Maltose


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 Complexed with Maltose within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Ca930

b:35.6
occ:1.00
OE1 A:GLU144 2.1 32.1 1.0
OD1 A:ASP60 2.2 35.6 1.0
O A:HOH688 2.4 22.2 1.0
OE1 A:GLU141 2.6 32.5 1.0
OE2 A:GLU56 2.7 26.6 1.0
OE1 A:GLN61 2.9 46.0 1.0
CD A:GLU144 3.3 26.9 1.0
CG A:ASP60 3.4 32.8 1.0
CD A:GLU56 3.6 27.8 1.0
CD A:GLU141 3.7 33.0 1.0
OE1 A:GLU56 3.8 26.2 1.0
CB A:GLU144 3.8 18.1 1.0
N A:GLN61 4.0 28.2 1.0
CD A:GLN61 4.0 42.9 1.0
OD2 A:ASP60 4.1 37.6 1.0
CG A:GLU144 4.1 24.9 1.0
OE2 A:GLU144 4.2 32.1 1.0
NZ A:LYS140 4.2 38.4 1.0
CH2 A:TRP106 4.3 26.2 1.0
CA A:GLU141 4.4 21.9 1.0
OE2 A:GLU141 4.4 33.7 1.0
CA A:ASP60 4.5 30.4 1.0
O A:GLU141 4.5 23.0 1.0
CB A:ASP60 4.5 32.1 1.0
CZ A:PHE63 4.6 28.3 1.0
CG A:GLN61 4.6 37.9 1.0
CA A:GLN61 4.7 30.2 1.0
C A:ASP60 4.7 30.1 1.0
CB A:GLU141 4.8 22.5 1.0
CG A:GLU141 4.8 27.7 1.0
CZ3 A:TRP106 4.9 26.7 1.0
CE1 A:PHE63 4.9 29.8 1.0
C A:GLU141 5.0 21.2 1.0

Reference:

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
Page generated: Mon Jul 7 13:38:03 2025

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