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Chlorine in PDB 3l2m: X-Ray Crystallographic Analysis of Pig Pancreatic Alpha-Amylase with Alpha-Cyclodextrin

Enzymatic activity of X-Ray Crystallographic Analysis of Pig Pancreatic Alpha-Amylase with Alpha-Cyclodextrin

All present enzymatic activity of X-Ray Crystallographic Analysis of Pig Pancreatic Alpha-Amylase with Alpha-Cyclodextrin:
3.2.1.1;

Protein crystallography data

The structure of X-Ray Crystallographic Analysis of Pig Pancreatic Alpha-Amylase with Alpha-Cyclodextrin, PDB code: 3l2m was solved by S.B.Larson, J.S.Day, A.Mcpherson, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 29.30 / 1.97
Space group P 21 21 21
Cell size a, b, c (Å), α, β, γ (°) 70.650, 114.880, 118.850, 90.00, 90.00, 90.00
R / Rfree (%) 12.7 / 16

Other elements in 3l2m:

The structure of X-Ray Crystallographic Analysis of Pig Pancreatic Alpha-Amylase with Alpha-Cyclodextrin also contains other interesting chemical elements:

Calcium (Ca) 1 atom

Chlorine Binding Sites:

The binding sites of Chlorine atom in the X-Ray Crystallographic Analysis of Pig Pancreatic Alpha-Amylase with Alpha-Cyclodextrin (pdb code 3l2m). 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 X-Ray Crystallographic Analysis of Pig Pancreatic Alpha-Amylase with Alpha-Cyclodextrin, PDB code: 3l2m:

Chlorine binding site 1 out of 1 in 3l2m

Go back to Chlorine Binding Sites List in 3l2m
Chlorine binding site 1 out of 1 in the X-Ray Crystallographic Analysis of Pig Pancreatic Alpha-Amylase with Alpha-Cyclodextrin


Mono view


Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 1 of X-Ray Crystallographic Analysis of Pig Pancreatic Alpha-Amylase with Alpha-Cyclodextrin within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Cl502

b:15.4
occ:1.00
 HE A:ARG195 2.3 12.8 1.0
HH22 A:ARG337 2.3 15.7 1.0
HD22 A:ASN298 2.5 10.4 1.0
HH21 A:ARG195 2.6 12.2 1.0
HH11 A:ARG337 2.7 15.4 1.0
HG22 A:THR254 3.0 12.8 1.0
NH2 A:ARG337 3.2 15.7 1.0
O A:HOH860 3.2 12.1 1.0
NE A:ARG195 3.3 11.7 1.0
HG3 A:GLU233 3.3 15.4 1.0
NH2 A:ARG195 3.4 13.2 1.0
ND2 A:ASN298 3.4 10.3 1.0
NH1 A:ARG337 3.4 15.3 1.0
HZ A:PHE256 3.5 12.1 1.0
CZ A:ARG337 3.7 15.6 1.0
CZ A:ARG195 3.8 10.5 1.0
HH21 A:ARG337 3.8 15.7 1.0
HD21 A:ASN298 3.8 10.4 1.0
CG2 A:THR254 3.9 13.5 1.0
HB2 A:ASN298 3.9 9.2 1.0
HG21 A:THR254 3.9 12.8 1.0
HB2 A:GLU233 4.0 12.8 1.0
HH22 A:ARG195 4.1 12.2 1.0
HH12 A:ARG337 4.1 15.4 1.0
CG A:GLU233 4.2 16.4 1.0
CZ A:PHE256 4.2 10.8 1.0
HD2 A:ARG195 4.3 14.8 1.0
HG23 A:THR254 4.3 12.8 1.0
CD A:ARG195 4.3 17.0 1.0
HB3 A:ASN298 4.3 9.2 1.0
CG A:ASN298 4.4 10.5 1.0
HG3 A:ARG195 4.4 14.1 1.0
CB A:ASN298 4.4 7.7 1.0
HE2 A:PHE256 4.6 11.4 1.0
HE1 A:HIS299 4.6 15.3 1.0
CB A:GLU233 4.6 13.4 1.0
HE21 A:GLN41 4.6 13.9 1.0
HZ A:PHE295 4.7 14.4 1.0
HA A:GLU233 4.8 10.5 1.0
HG2 A:GLU233 4.8 15.4 1.0
HB A:THR254 4.8 12.2 1.0
CE2 A:PHE256 4.8 13.3 1.0
HD1 A:HIS299 4.8 13.9 1.0
CZ A:PHE295 4.8 10.9 1.0
CD A:GLU233 4.9 16.1 1.0
OE1 A:GLU233 4.9 24.1 1.0
CB A:THR254 4.9 11.8 1.0
CG A:ARG195 4.9 14.3 1.0
HE2 A:PHE231 5.0 17.6 1.0
CE2 A:PHE295 5.0 18.7 1.0
HE2 A:PHE295 5.0 15.0 1.0
O A:HOH674 5.0 18.2 1.0

Reference:

S.B.Larson, J.S.Day, A.Mcpherson. X-Ray Crystallographic Analyses of Pig Pancreatic Alpha-Amylase with Limit Dextrin, Oligosaccharide, and Alpha-Cyclodextrin. Biochemistry V. 49 3101 2010.
ISSN: ISSN 0006-2960
PubMed: 20222716
DOI: 10.1021/BI902183W
Page generated: Fri Jul 11 07:16:25 2025

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