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Calcium in PDB 1pig: Pig Pancreatic Alpha-Amylase Complexed with the Oligosaccharide V-1532

Enzymatic activity of Pig Pancreatic Alpha-Amylase Complexed with the Oligosaccharide V-1532

All present enzymatic activity of Pig Pancreatic Alpha-Amylase Complexed with the Oligosaccharide V-1532:
3.2.1.1;

Protein crystallography data

The structure of Pig Pancreatic Alpha-Amylase Complexed with the Oligosaccharide V-1532, PDB code: 1pig was solved by M.Machius, L.Vertesy, R.Huber, G.Wiegand, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 7.00 / 2.20
Space group P 21 21 21
Cell size a, b, c (Å), α, β, γ (°) 70.500, 114.800, 118.700, 90.00, 90.00, 90.00
R / Rfree (%) 17.8 / 21

Other elements in 1pig:

The structure of Pig Pancreatic Alpha-Amylase Complexed with the Oligosaccharide V-1532 also contains other interesting chemical elements:

Chlorine (Cl) 1 atom

Calcium Binding Sites:

The binding sites of Calcium atom in the Pig Pancreatic Alpha-Amylase Complexed with the Oligosaccharide V-1532 (pdb code 1pig). 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 Pig Pancreatic Alpha-Amylase Complexed with the Oligosaccharide V-1532, PDB code: 1pig:

Calcium binding site 1 out of 1 in 1pig

Go back to Calcium Binding Sites List in 1pig
Calcium binding site 1 out of 1 in the Pig Pancreatic Alpha-Amylase Complexed with the Oligosaccharide V-1532


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Pig Pancreatic Alpha-Amylase Complexed with the Oligosaccharide V-1532 within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Ca500

b:26.2
occ:1.00
 O A:ARG158 2.4 25.4 1.0
O A:HIS201 2.4 25.6 1.0
O A:HOH2095 2.4 26.8 1.0
OD1 A:ASN100 2.5 23.8 1.0
O A:HOH2094 2.5 22.5 1.0
OD1 A:ASP167 2.5 26.8 1.0
OD2 A:ASP167 2.6 27.6 1.0
O A:HOH2102 2.6 22.3 1.0
CG A:ASP167 2.9 25.2 1.0
CG A:ASN100 3.5 21.5 1.0
C A:ARG158 3.5 26.0 1.0
C A:HIS201 3.6 23.8 1.0
ND2 A:ASN100 3.9 20.7 1.0
CA A:ARG158 4.2 25.7 1.0
CB A:HIS201 4.3 21.7 1.0
O A:ASN100 4.3 20.3 1.0
CB A:ASP167 4.4 23.6 1.0
ND2 A:ASN137 4.4 29.7 1.0
CA A:HIS201 4.5 23.0 1.0
CG A:MET202 4.5 23.6 1.0
O A:HOH2098 4.5 32.6 1.0
N A:ASP159 4.6 27.8 1.0
N A:MET202 4.6 23.7 1.0
O A:CYS160 4.6 26.8 1.0
O A:VAL157 4.7 25.6 1.0
CA A:MET202 4.7 23.6 1.0
O A:LEU168 4.7 28.4 1.0
CB A:ASN100 4.8 20.7 1.0
CA A:ASP159 4.8 28.8 1.0
O A:HOH2178 5.0 38.9 1.0

Reference:

M.Machius, L.Vertesy, R.Huber, G.Wiegand. Carbohydrate and Protein-Based Inhibitors of Porcine Pancreatic Alpha-Amylase: Structure Analysis and Comparison of Their Binding Characteristics. J.Mol.Biol. V. 260 409 1996.
ISSN: ISSN 0022-2836
PubMed: 8757803
DOI: 10.1006/JMBI.1996.0410
Page generated: Mon Jul 7 18:13:44 2025

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