The rotavirus nonstructural protein NSP4 was the first viral enterotoxin discovered. It induces diarrhea and causes Ca2+-dependent transepithelial secretion.[1]
capsid: matrix protein (M1 protein) · viral envelope (M2 protein)
VSPs: E1 · E2
VSPs: gag · pol (Integrase, Reverse transcriptase, HIV-1 protease) · env (gp120, gp41)
M: VIR
virs(prot)/clss
cutn/syst (hppv/hiva, infl/zost/zoon)/epon
drugJ(dnaa, rnaa, rtva, vacc)