The human coronavirus pandemic poses a huge threat to global public health and the economy; however, no vaccine or specific antiviral drug has yet been approved to treat Coronavirus Disease 2019 (COVID-19) pneumonia. Therefore, the development of prevention and treatment approaches is especially important for the control of this emerging infectious disease. The analysis of viral proteins and host cell proteins can lay the foundation for understanding the mechanism of viral infection and achieving drug development. Creative Biostructure utilizes a variety of tools and techniques for analyzing and comparing protein sequences to help you increase understanding of characteristics, functions, domains, or evolution of proteins associated with coronavirus infection.