A COMPUTER MODELING STUDY OF BINDING PROPERTIES OF CHIRAL NUCLEOPEPTIDE FOR BIOMEDICAL APPLICATIONS(100 visite) Pirtskhalava M, Egoyan A, Mirtskhulava M, Roviello GN
Georgian Med News (ISSN: 1512-0112print, 1512-0112linking), 2017 Dec; (273): 1123-1128.
*** IBB - CNR *** University "Geomedi", Georgia, Tbilisi; Institute of Biostructure and Bioimaging, Naples, Italy.,
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Nucleopeptides often show interesting properties of molecular binding that render them good candidates for development of innovative drugs for anticancer and antiviral therapies. In this work we present results of computer modeling of interactions between the molecules of hexathymine nucleopeptide (T6) and poly rA RNA (A18). The results of geometry optimization calculated using Hyperchem software and our own computer program for molecular docking show that molecules establish stable complexes due to the complementary-nucleobase interaction and the electrostatic interaction between the negative phosphate group of poly rA and the positively-charged residues present in the cationic nucleopeptide structure. Computer modeling makes it possible to find the optimal binding configuration of the molecules of a nucleopeptide and poly rA RNA and to estimate the binding energy between the molecules.
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