Aminopeptidase N (APN) is an important metalloenzyme. It regulates multivariate cellular functions by different mechanisms such as enzymatic cleavage of peptides. This may play a role in endocytosis and regulate signal transduction. APN, a member of the M1 zinc metallopeptidase family, plays crucial roles in a variety of functions such as migration and invasion, and angiogenesis and metastasis of tumor cells. Therefore, APN inhibitors may be useful for the treatment of cancer. In this Perspective, structure-activity relationships of APN inhibitors are discussed to get an idea of possible lead candidates. APN inhibitors should possess an aryl hydrophobic function along with a zinc binding group attached to the hydrophobic group(s) to achieve high potency. This and other design aspects of APN inhibitors are discussed in this Perspective.
The ongoing novel coronavirus disease (COVID-19) pandemic makes us painfully perceive that our bullet shells are blank so far for fighting against severe human coronavirus (HCoV). In spite of vast research work, it is crystal clear that the evident does not warrant the commercial blossoming of anti-HCoV drugs. In this circumstance, drug repurposing and/or screening of databases are the only fastest option. This study is an initiative to recapitulate the medicinal chemistry of severe acute respiratory syndrome (SARS)-CoV-2 (SARS-CoV-2). The aim is to present an exquisite delineation of the current research from the perspective of a medicinal chemist to allow the rapid development of anti-SARS-CoV-2 agents.
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