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Calcium in the structure of Alpha-Amylase From Alteromonas Haloplanctis (pdb 1b0i)

The binding sites of Calcium atom in the structure of Alpha-Amylase From Alteromonas Haloplanctis (pdb code 1b0i). This binding sites where shown with 5.0 Angstroms radius around Calcium atom.
The 1b0i structure was solved by N.AGHAJARI, R.HASER, with X-Ray Crystallography technique, brief refinement statistics is given in the table below:
Resolution (A)20.0-2.4
Space groupP212121
a (A)56.800
b (A)80.300
c (A)120.100
alpha (°)90.00
beta (°)90.00
gamma (°)90.00
Rfactor (%)18
Rfree (%)21.7

Calcium Binding Sites:

Calcium binding site 1 out of 1 in 1b0i

Calcium binding site 1 out of 1 in 1b0i
Click to enlarge
stereopicture of Calcium binding site 1 out of 1 in 1b0i
Click to enlarge
Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 1 of Calcium in the PDB 1b0i. Coordination sphere was calculated for all residues within 5.0 Angstroms distance from the central Calcium atom, shown by VdW sphere
Residues shown as a stick model or VDW spheres: A: Asn88, A: His117, A: Gln135, A: Asn136, A: Cys137, A: Asp144, A: Leu145, A: Thr147, A: His178, A: Val179, A: Hoh1017, A: Hoh1091, A: Hoh1107, A: Hoh1108,

conact list:

AtomAtomDistance (A)
CaO A:Asn884.27
CaHD21 A:Asn883.87
CaCB A:Asn884.72
CaND2 A:Asn884.17
CaOD1 A:Asn882.41
CaCG A:Asn883.54
CaND1 A:His1174.45
CaCE1 A:His1174.52
CaHD1 A:His1173.81
CaO A:Gln1352.68
CaC A:Gln1353.62
CaCA A:Gln1354.29
CaN A:Asn1364.52
CaCA A:Asn1364.70
CaO A:Cys1374.73
CaCB A:Asp1444.30
CaOD2 A:Asp1442.48
CaOD1 A:Asp1442.46
CaCG A:Asp1442.81
CaCA A:Asp1444.97
CaO A:Leu1454.46
CaHG1 A:Thr1474.89
CaO A:His1782.46
CaCB A:His1784.28
CaC A:His1783.63
CaCA A:His1784.54
CaN A:Val1794.52
CaCG2 A:Val1794.41
CaCA A:Val1794.56
CaH2 A:Hoh10174.93
CaO A:Hoh10912.44
CaH1 A:Hoh10912.11
CaH2 A:Hoh10913.24
CaO A:Hoh11072.34
CaH1 A:Hoh11073.27
CaH2 A:Hoh11072.46
CaO A:Hoh11082.57
CaH1 A:Hoh11082.90
CaH2 A:Hoh11082.97

interactive model:

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