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Calcium in PDB 4e2o: Crystal Structure of Alpha-Amylase From Geobacillus Thermoleovorans, Gta, Complexed with Acarbose

Enzymatic activity of Crystal Structure of Alpha-Amylase From Geobacillus Thermoleovorans, Gta, Complexed with Acarbose

All present enzymatic activity of Crystal Structure of Alpha-Amylase From Geobacillus Thermoleovorans, Gta, Complexed with Acarbose:
3.2.1.1;

Protein crystallography data

The structure of Crystal Structure of Alpha-Amylase From Geobacillus Thermoleovorans, Gta, Complexed with Acarbose, PDB code: 4e2o was solved by S.C.Mok, A.H.Teh, J.A.Saito, N.Najimudin, M.Alam, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 26.93 / 2.10
Space group P 61
Cell size a, b, c (Å), α, β, γ (°) 122.960, 122.960, 55.660, 90.00, 90.00, 120.00
R / Rfree (%) 16.2 / 19.8

Calcium Binding Sites:

The binding sites of Calcium atom in the Crystal Structure of Alpha-Amylase From Geobacillus Thermoleovorans, Gta, Complexed with Acarbose (pdb code 4e2o). 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 Alpha-Amylase From Geobacillus Thermoleovorans, Gta, Complexed with Acarbose, PDB code: 4e2o:

Calcium binding site 1 out of 1 in 4e2o

Go back to Calcium Binding Sites List in 4e2o
Calcium binding site 1 out of 1 in the Crystal Structure of Alpha-Amylase From Geobacillus Thermoleovorans, Gta, Complexed with Acarbose


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 Alpha-Amylase From Geobacillus Thermoleovorans, Gta, Complexed with Acarbose within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Ca501

b:22.9
occ:1.00
 OD1 A:ASN143 2.2 19.9 1.0
OD2 A:ASP186 2.4 17.5 1.0
O A:HOH701 2.4 18.6 1.0
O A:HOH702 2.6 20.9 1.0
O A:HIS221 2.7 20.1 1.0
O A:GLU177 2.8 20.5 1.0
O A:HOH703 2.8 19.2 1.0
OD1 A:ASP186 2.8 17.1 1.0
CG A:ASP186 3.0 19.9 1.0
CG A:ASN143 3.2 18.8 1.0
C A:GLU177 3.7 22.1 1.0
ND2 A:ASN143 3.7 16.7 1.0
C A:HIS221 3.7 21.0 1.0
CB A:HIS221 4.0 16.5 1.0
O A:ASN143 4.2 20.5 1.0
CA A:GLU177 4.2 20.8 1.0
O A:GLY179 4.3 21.5 1.0
CA A:HIS221 4.4 19.1 1.0
CB A:ASP186 4.4 21.7 1.0
O A:LEU176 4.4 19.8 1.0
CG2 A:VAL222 4.5 18.4 1.0
ND1 A:HIS162 4.5 21.2 1.0
CB A:ASN143 4.5 19.6 1.0
CE1 A:HIS162 4.5 24.2 1.0
O A:LEU187 4.5 23.0 1.0
N A:ASN178 4.6 23.4 1.0
N A:VAL222 4.7 19.3 1.0
CA A:VAL222 4.8 17.5 1.0
CA A:ASN143 4.8 20.6 1.0
OE1 A:GLN189 4.8 21.1 1.0
C A:ASN143 4.9 21.1 1.0
CA A:ASN178 4.9 21.8 1.0
O A:HOH726 4.9 23.4 1.0
O A:HOH707 5.0 18.4 1.0

Reference:

S.C.Mok, A.H.Teh, J.A.Saito, N.Najimudin, M.Alam. Crystal Structure of A Compact Alpha-Amylase From Geobacillus Thermoleovorans. Enzyme.Microb.Technol. V. 53 46 2013.
ISSN: ISSN 0141-0229
PubMed: 23683704
DOI: 10.1016/J.ENZMICTEC.2013.03.009
Page generated: Tue Jul 8 19:39:24 2025

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