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    PDB 158d-1ajq
    PDB 1ak9-1ayk
    PDB 1ayo-1bg7
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      1hny
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    PDB 4awz-4dtu
    PDB 4dtx-4eoa
    PDB 4epz-5apr
    PDB 5bca-8tln
    PDB 966c-9rnt

Calcium in the structure of Structure of Pig Pancreatic Alpha-Amylase Complexed With the "Truncate" Acarbose Molecule (Pseudotrisaccharide) (pdb 1hx0)

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The binding sites of Calcium atom in the structure of Structure of Pig Pancreatic Alpha-Amylase Complexed With the "Truncate" Acarbose Molecule (Pseudotrisaccharide) (pdb code 1hx0). This binding sites where shown with 5.0 Angstroms radius around Calcium atom.
The 1hx0 structure was solved by M.QIAN, F.PAYAN, with X-Ray Crystallography technique, brief refinement statistics is given in the table below:

*Resolution (A)*	35.0-1.4
*Space group*	P2₁2₁2₁
*a (A)*	69.280
*b (A)*	113.550
*c (A)*	117.160
*alpha (°)*	90.00
*beta (°)*	90.00
*gamma (°)*	90.00
*R_factor (%)*	10.8
*R_free (%)*	13

Calcium Binding Sites:

Calcium binding site 1 out of 1 in 1hx0

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stereopicture of Calcium binding site 1 out of 1 in 1hx0

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Mono- and Stereo- picture of 5.0 Angstrom coordination sphere 1 of Calcium in the PDB 1hx0. 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: Asn100, A: Asn137, A: Val157, A: Arg158, A: Asp159, A: Cys160, A: Asp167, A: Leu168, A: His201, A: Met202, A: Hoh6017, A: Hoh6023, A: Hoh6031, A: Hoh6204,

conact list:

Atom	Atom	Distance (A)
Ca	O A:*Asn*100	4.37
Ca	CB A:*Asn*100	4.74
Ca	ND2 A:*Asn*100	3.76
Ca	OD1 A:*Asn*100	2.35
Ca	CG A:*Asn*100	3.44
Ca	ND2 A:*Asn*137	4.51
Ca	OD1 A:*Asn*137	4.58
Ca	O A:*Val*157	4.67
Ca	O A:*Arg*158	2.37
Ca	CB A:*Arg*158	4.94
Ca	CB A:*Arg*158	4.95
Ca	C A:*Arg*158	3.43
Ca	CA A:*Arg*158	4.07
Ca	N A:*Asp*159	4.43
Ca	CA A:*Asp*159	4.74
Ca	O A:*Cys*160	4.54
Ca	CB A:*Asp*167	4.34
Ca	OD2 A:*Asp*167	2.48
Ca	OD1 A:*Asp*167	2.55
Ca	CG A:*Asp*167	2.85
Ca	O A:*Leu*168	4.83
Ca	O A:*His*201	2.39
Ca	CB A:*His*201	4.20
Ca	C A:*His*201	3.57
Ca	CA A:*His*201	4.40
Ca	N A:*Met*202	4.53
Ca	CG A:*Met*202	4.56
Ca	CA A:*Met*202	4.69
Ca	O A:*Hoh*6017	2.51
Ca	O A:*Hoh*6023	2.46
Ca	O A:*Hoh*6031	2.54
Ca	O A:*Hoh*6204	4.43

Calcium in the structure of Structure of Pig Pancreatic Alpha-Amylase Complexed With the "Truncate" Acarbose Molecule (Pseudotrisaccharide) (pdb 1hx0)

Calcium Binding Sites:

Calcium binding site 1 out of 1 in 1hx0

conact list:

interactive model: