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Calcium in PDB 1ua3: Crystal Structure of the Pig Pancreatic A-Amylase Complexed with Malto-Oligosaccharides

Enzymatic activity of Crystal Structure of the Pig Pancreatic A-Amylase Complexed with Malto-Oligosaccharides

All present enzymatic activity of Crystal Structure of the Pig Pancreatic A-Amylase Complexed with Malto-Oligosaccharides:
3.2.1.1;

Protein crystallography data

The structure of Crystal Structure of the Pig Pancreatic A-Amylase Complexed with Malto-Oligosaccharides, PDB code: 1ua3 was solved by F.Payan, M.Qian, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 30.00 / 2.01
Space group P 21 21 21
Cell size a, b, c (Å), α, β, γ (°) 69.781, 113.183, 116.924, 90.00, 90.00, 90.00
R / Rfree (%) 17.5 / 19.6

Other elements in 1ua3:

The structure of Crystal Structure of the Pig Pancreatic A-Amylase Complexed with Malto-Oligosaccharides also contains other interesting chemical elements:

Chlorine (Cl) 2 atoms

Calcium Binding Sites:

The binding sites of Calcium atom in the Crystal Structure of the Pig Pancreatic A-Amylase Complexed with Malto-Oligosaccharides (pdb code 1ua3). 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 Crystal Structure of the Pig Pancreatic A-Amylase Complexed with Malto-Oligosaccharides, PDB code: 1ua3:

Calcium binding site 1 out of 1 in 1ua3

Go back to Calcium Binding Sites List in 1ua3
Calcium binding site 1 out of 1 in the Crystal Structure of the Pig Pancreatic A-Amylase Complexed with Malto-Oligosaccharides


Mono view


Stereo pair view

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

b:17.1
occ:1.00
 O A:HIS201 2.5 16.7 1.0
O A:ARG158 2.5 17.6 1.0
OD1 A:ASN100 2.5 15.6 1.0
O A:HOH527 2.6 11.2 1.0
OD2 A:ASP167 2.6 16.0 1.0
OD1 A:ASP167 2.7 15.8 1.0
O A:HOH520 2.7 16.9 1.0
O A:HOH539 2.7 18.2 1.0
CG A:ASP167 3.0 16.7 1.0
C A:ARG158 3.5 17.9 1.0
CG A:ASN100 3.6 15.6 1.0
C A:HIS201 3.7 16.7 1.0
ND2 A:ASN100 3.9 14.9 1.0
CA A:ARG158 4.1 17.9 1.0
CB A:HIS201 4.3 15.9 1.0
ND2 A:ASN137 4.4 21.0 1.0
O A:HOH556 4.4 18.4 1.0
O A:ASN100 4.4 16.0 1.0
N A:ASP159 4.5 17.9 1.0
CB A:ASP167 4.5 16.8 1.0
CA A:HIS201 4.5 16.3 1.0
CG A:MET202 4.6 16.2 1.0
O A:CYS160 4.6 19.1 1.0
N A:MET202 4.6 16.4 1.0
CA A:MET202 4.7 16.3 1.0
O A:VAL157 4.7 17.1 1.0
CA A:ASP159 4.8 18.1 1.0
O A:LEU168 4.8 17.4 1.0
CB A:ASN100 4.9 15.1 1.0
CB A:ARG158 5.0 18.7 1.0

Reference:

F.Payan, M.Qian. Crystal Structure of the Pig Pancreatic Alpha-Amylase Complexed with Malto-Oligosaccharides J.Protein Chem. V. 22 275 2003.
ISSN: ISSN 0277-8033
PubMed: 12962327
DOI: 10.1023/A:1025072520607
Page generated: Sat Dec 12 03:22:40 2020

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