Abstract
Bacillus licheniformis α-amylase (BLA) is routinely used as a model thermostable amylase in biochemical studies. Its starch hydrolysis activity has recently been studied in Tris buffer. Here, we address the question that whether the application of Tris buffer may influence the results of BLA activity analyses. Based on the inhibition studies and docking simulations, we suggest that Tris molecule is a competitive inhibitor of starch-hydrolyzing activity of BLA, and it has a high tendency to bind the enzyme active site. Hence, it is critically important to consider such effect when interpreting the results of activity studies of this enzyme in Tris buffer.
Keywords: BLA, Tris inhibition, buffer inhibition, activity, docking, French bean, glucuronic acid, lectin, mitogenic activity, HepG2, breast cancer, glycoproteins, N-acetylgalactosamine-binding, polysaccharides, inflammation,, thrombosis, metastasis, Phaseolus vulgaris, AKTA Purifier, PBS, SDS-PAGE, HPLC, MCF7, CNE1, CNE2, MTT, Affi-gel blue gel, FPLC, hemagglutinating, N-acetylglucosamine, Aprotinin, Ovalbumin, Temperature, CNE, PHAs, ATP, Con A, chromatography, gel filtration, anti-HIV reverse transcriptase
Protein & Peptide Letters
Title: Binding of Tris to Bacillus licheniformis α-Amylase Can Affect Its Starch Hydrolysis Activity
Volume: 15 Issue: 2
Author(s): Zahra Ghalanbor, Nasser Ghaemi, Sayed-Amir Marashi, Massoud Amanlou, Mehran Habibi-Rezaei, Khosro Khajeh, Bijan Ranjbar, Yau Sang Chan, Jack Ho Wong and Tzi Bun Ng
Affiliation:
Keywords: BLA, Tris inhibition, buffer inhibition, activity, docking, French bean, glucuronic acid, lectin, mitogenic activity, HepG2, breast cancer, glycoproteins, N-acetylgalactosamine-binding, polysaccharides, inflammation,, thrombosis, metastasis, Phaseolus vulgaris, AKTA Purifier, PBS, SDS-PAGE, HPLC, MCF7, CNE1, CNE2, MTT, Affi-gel blue gel, FPLC, hemagglutinating, N-acetylglucosamine, Aprotinin, Ovalbumin, Temperature, CNE, PHAs, ATP, Con A, chromatography, gel filtration, anti-HIV reverse transcriptase
Abstract: Bacillus licheniformis α-amylase (BLA) is routinely used as a model thermostable amylase in biochemical studies. Its starch hydrolysis activity has recently been studied in Tris buffer. Here, we address the question that whether the application of Tris buffer may influence the results of BLA activity analyses. Based on the inhibition studies and docking simulations, we suggest that Tris molecule is a competitive inhibitor of starch-hydrolyzing activity of BLA, and it has a high tendency to bind the enzyme active site. Hence, it is critically important to consider such effect when interpreting the results of activity studies of this enzyme in Tris buffer.
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Cite this article as:
Ghalanbor Zahra, Ghaemi Nasser, Marashi Sayed-Amir, Amanlou Massoud, Habibi-Rezaei Mehran, Khajeh Khosro, Ranjbar Bijan, Sang Chan Yau, Ho Wong Jack and Bun Ng Tzi, Binding of Tris to Bacillus licheniformis α-Amylase Can Affect Its Starch Hydrolysis Activity, Protein & Peptide Letters 2008; 15 (2) . https://dx.doi.org/10.2174/092986608783489616
DOI https://dx.doi.org/10.2174/092986608783489616 |
Print ISSN 0929-8665 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-5305 |
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