TABLE 1.

Generated recombinant viruses with their HACSs and adjacent amino acid residues

VirusHACSa
DkUkr63-Wt NVPEKQT----R
DkUkr63-It98HACS NVPQ--RRRKKR
DkUkr63-Hk220HACS NTPQRERRRKKR
DkUkr63-R28HACS NVPEIP-KRRRR
  • a Underlining and boldface indicate amino acid residues differing from the cleavage site and close vicinity of HA of DkUkr63-Wt and basic amino acid residues, respectively.