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Chlorine in PDB 1ppi: The Active Center of A Mammalian Alpha-Amylase. the Structure of the Complex of A Pancreatic Alpha-Amylase with A Carbohydrate Inhibitor Refined to 2.2 Angstroms Resolution

Enzymatic activity of The Active Center of A Mammalian Alpha-Amylase. the Structure of the Complex of A Pancreatic Alpha-Amylase with A Carbohydrate Inhibitor Refined to 2.2 Angstroms Resolution

All present enzymatic activity of The Active Center of A Mammalian Alpha-Amylase. the Structure of the Complex of A Pancreatic Alpha-Amylase with A Carbohydrate Inhibitor Refined to 2.2 Angstroms Resolution:
3.2.1.1;

Protein crystallography data

The structure of The Active Center of A Mammalian Alpha-Amylase. the Structure of the Complex of A Pancreatic Alpha-Amylase with A Carbohydrate Inhibitor Refined to 2.2 Angstroms Resolution, PDB code: 1ppi was solved by M.Qian, R.Haser, F.Payan, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 8.00 / 2.20
Space group P 21 21 21
Cell size a, b, c (Å), α, β, γ (°) 56.300, 87.800, 103.400, 90.00, 90.00, 90.00
R / Rfree (%) 15.3 / n/a

Other elements in 1ppi:

The structure of The Active Center of A Mammalian Alpha-Amylase. the Structure of the Complex of A Pancreatic Alpha-Amylase with A Carbohydrate Inhibitor Refined to 2.2 Angstroms Resolution also contains other interesting chemical elements:

Calcium (Ca) 1 atom

Chlorine Binding Sites:

The binding sites of Chlorine atom in the The Active Center of A Mammalian Alpha-Amylase. the Structure of the Complex of A Pancreatic Alpha-Amylase with A Carbohydrate Inhibitor Refined to 2.2 Angstroms Resolution (pdb code 1ppi). This binding sites where shown within 5.0 Angstroms radius around Chlorine atom.
In total only one binding site of Chlorine was determined in the The Active Center of A Mammalian Alpha-Amylase. the Structure of the Complex of A Pancreatic Alpha-Amylase with A Carbohydrate Inhibitor Refined to 2.2 Angstroms Resolution, PDB code: 1ppi:

Chlorine binding site 1 out of 1 in 1ppi

Go back to Chlorine Binding Sites List in 1ppi
Chlorine binding site 1 out of 1 in the The Active Center of A Mammalian Alpha-Amylase. the Structure of the Complex of A Pancreatic Alpha-Amylase with A Carbohydrate Inhibitor Refined to 2.2 Angstroms Resolution


Mono view


Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 1 of The Active Center of A Mammalian Alpha-Amylase. the Structure of the Complex of A Pancreatic Alpha-Amylase with A Carbohydrate Inhibitor Refined to 2.2 Angstroms Resolution within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Cl498

b:6.6
occ:1.00
 NH1 A:ARG195 2.9 9.2 1.0
ND2 A:ASN298 3.2 3.0 1.0
O A:HOH525 3.4 6.5 1.0
NH2 A:ARG337 3.5 3.4 1.0
NH1 A:ARG337 3.6 3.6 1.0
CD A:ARG195 3.6 13.6 1.0
CZ A:ARG195 3.8 10.4 1.0
CG2 A:THR254 3.8 2.6 1.0
CG A:GLU233 3.9 6.7 1.0
CZ A:ARG337 4.0 3.1 1.0
CZ A:PHE256 4.1 5.1 1.0
NE A:ARG195 4.2 14.6 1.0
CG A:ASN298 4.3 7.1 1.0
CB A:GLU233 4.4 9.2 1.0
CB A:ASN298 4.5 3.3 1.0
O A:HOH555 4.6 3.8 1.0
CE2 A:PHE256 4.7 3.5 1.0
CD A:GLU233 4.7 9.8 1.0
OE2 A:GLU233 4.7 6.2 1.0
CG A:ARG195 4.8 12.8 1.0
CB A:THR254 4.9 2.8 1.0

Reference:

M.Qian, R.Haser, G.Buisson, E.Duee, F.Payan. The Active Center of A Mammalian Alpha-Amylase. Structure of the Complex of A Pancreatic Alpha-Amylase with A Carbohydrate Inhibitor Refined to 2.2-A Resolution. Biochemistry V. 33 6284 1994.
ISSN: ISSN 0006-2960
PubMed: 8193143
DOI: 10.1021/BI00186A031
Page generated: Thu Jul 10 18:52:26 2025

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