@article{Mao2015, author = "Lili Mao and Jun Wang and William F. DeGrado and Masayori Inouye", title = "{Expression of M2 protein in the SPP system.}", year = "2015", month = "12", url = "https://plos.figshare.com/articles/figure/_Expression_of_M2_protein_in_the_SPP_system_/180285", doi = "10.1371/journal.pone.0054070.g001" }