alexa A Computational Study of Interactions of Trimethoprim with Native and Mutant Dihydrofolate Reductase Structures
ISSN ONLINE(2319-8753)PRINT(2347-6710)

International Journal of Innovative Research in Science, Engineering and Technology
Open Access

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Research Article

A Computational Study of Interactions of Trimethoprim with Native and Mutant Dihydrofolate Reductase Structures

Vinod Kumar Yata, Anant Saxena§, Vinita Sharma§, Som Dutt§, Ajit Kumar§
Department of Biotechnology, Dr B R Ambedkar National Institute of Technology Jalandhar, Jalandhar, Punjab, India
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Abstract

In this study, we analyzed and compared the interactions of an antibiotic drug, trimethoprim, with native and mutant human Dihydrofolate Reductase DHFR structures by computational methods. We observed that, Ile7, Glu30, Leu22, Val115, Pro61, Phe179 and Tyr182 of native DHFR play an important role in interacting with trimethoprim. Ile7, Glu30, Val112, Trp113, Ile114 and Leu133 of mutant DHFRare identified as key residues in interacting with trimethoprim. This study would help in modifying the structure of trimethoprim for improved affinity of the drug towards the native and mutant structures of human dihydrofolate reductase.

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