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Calcium 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:

Chlorine (Cl) 1 atom

Calcium Binding Sites:

The binding sites of Calcium 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 Calcium atom.
In total only one binding site of Calcium was determined in the X-Ray Crystallographic Analysis of Pig Pancreatic Alpha-Amylase with Alpha-Cyclodextrin, PDB code: 3l2m:

Calcium binding site 1 out of 1 in 3l2m

Go back to Calcium Binding Sites List in 3l2m
Calcium 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 Calcium with other atoms in the Ca 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:Ca501

b:15.9
occ:1.00
 O A:ARG158 2.4 13.2 1.0
OD1 A:ASN100 2.4 9.3 1.0
O A:HOH771 2.4 9.8 1.0
O A:HIS201 2.4 8.3 1.0
OD1 A:ASP167 2.4 10.3 1.0
OD2 A:ASP167 2.5 12.9 1.0
O A:HOH861 2.5 14.7 1.0
O A:HOH764 2.6 16.3 1.0
CG A:ASP167 2.8 10.5 1.0
C A:ARG158 3.5 13.0 1.0
HB3 A:HIS201 3.5 9.5 1.0
CG A:ASN100 3.5 16.2 1.0
HD21 A:ASN100 3.6 13.3 1.0
HA A:ARG158 3.6 13.5 1.0
C A:HIS201 3.6 9.5 1.0
HD22 A:ASN137 3.9 15.0 1.0
HA A:MET202 3.9 8.1 1.0
ND2 A:ASN100 4.0 11.5 1.0
HG2 A:MET202 4.0 13.5 1.0
CA A:ARG158 4.1 13.3 1.0
HG3 A:MET202 4.2 13.5 1.0
CB A:HIS201 4.2 11.1 1.0
HA A:ASP159 4.3 14.5 1.0
O A:ASN100 4.3 12.0 1.0
CB A:ASP167 4.4 11.4 1.0
HB2 A:HIS201 4.4 9.5 1.0
HD21 A:ASN137 4.4 15.0 1.0
CA A:HIS201 4.5 7.6 1.0
N A:ASP159 4.5 15.0 1.0
CG A:MET202 4.5 15.7 1.0
ND2 A:ASN137 4.5 14.6 1.0
N A:MET202 4.6 7.2 1.0
O A:HOH685 4.6 13.1 1.0
O A:CYS160 4.6 15.4 1.0
HB3 A:ARG158 4.6 14.8 1.0
CA A:MET202 4.6 7.3 1.0
HA A:HIS201 4.6 8.3 1.0
O A:VAL157 4.7 12.6 1.0
HB2 A:ASP167 4.8 11.3 1.0
HA A:ASP167 4.8 12.4 1.0
HB3 A:ASP167 4.8 11.3 1.0
CA A:ASP159 4.8 15.2 1.0
CB A:ASN100 4.8 12.6 1.0
O A:LEU168 4.9 11.5 1.0
HA A:ASN100 4.9 12.2 1.0
HD22 A:ASN100 4.9 13.3 1.0
CB A:ARG158 4.9 15.1 1.0
HB2 A:ASN100 5.0 13.3 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: Tue Jul 8 14:04:32 2025

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