Virus Envelop protein Cleavage site
SARS-CoV-2 S protein SPRRAR↓SVAS (S1/S2)
SARS-CoV-2 S protein SKPSKR↓SF (S2’)
SARS-CoV S protein LKPTKR↓SF (S2’)
MERS-CoV S protein TPRSCR↓SVPG (S1/S2)
HKU1 S protein SRRKRR↓SISA (S1/S2)
HCoV-OC43 S protein KNRRSR↓GAITT
HIV Gp160 VQREKR↓AV
Human CMV gB HKRTKR↓ST
Influenza virus H5 HA RKRKKR↓GL
Avian H5N1 A/HK/98 HA RERKRKKR↓GL
Yellow Fever Virus PrM SRRSRR↓AI
Zika Virus PrM ARRSRR↓AV
Ebola Virus GP GRRTRR↓EA