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Effect of the SNPs on the protein structure and dynamic

April 25, 2019 at 11:00:00 AM · Bogota
By BioInfoNet (4.0 stars · 1 reviews )
About This Webinar

In this webinar, we are going to talk about the influence of the SNPs on the structure and dynamics of proteins. We are going to cover from nucleotide sequence to protein structure. How to run proper molecular dynamics to compare normal allelic form to some population allelic variance and perform a correct trajectory analysis, using as an example the protein P450 2D6, which is important for breast cancer treatment.

Breast cancer is a multigenic disease and is the most common cancer diagnosed among women worldwide and is often treated with tamoxifen. Tamoxifen is catalyzed by cytochrome P450 2D6 (CYP2D6), and inter-individual variations in the enzyme due to single nucleotide polymorphisms (SNPs) could alter enzyme activity. We evaluated SNPs in patients from Colombia in South America who were receiving tamoxifen treatment for breast cancer. Allelic diversity in the CYP2D6 gene was found in the studied population, with two patients displaying the poor-metabolizer phenotype. Molecular dynamics and trajectory analyses were performed for CYP2D6 from these two patients, comparing it with the common allelic form (CYP2D6*1). Although we found no significant structural change in the protein, its dynamics differ significantly from those of CYP2D6*1, the effect of such differential dynamics resulting in an inefficient enzyme with serious implications for tamoxifen-treated patients, increasing the risk of disease relapse and ineffective treatment.

Who can view: Everyone
Webinar Price: Free
Webinar ID: c53058ad9597
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BioinfoNet is an online community for online bioinformatics meetings initiated by ISCB SC RSG Turkey. This meetings include free webinars and paper clubs.