Physicochemical properties | HIV-1a | HIV-1b |
---|---|---|
Number of amino acids | 139 | 191 |
Molecular weight |  ~ 14.6 kDa |  ~ 20.5 kDa |
Theoretical pI | 9.41 | 9.82 |
Estimated half-life in mammalian reticulocytes ( in-vitro ) |  > 20 h | 30 h |
Estimated half-life in yeast ( in-vivo ) |  > 20 h |  > 20 h |
Estimated half-life in E. coli ( in-vivo ) |  |  > 10 h |
Instability index | 49.5 | 53.27 |
Aliphatic index | 24.53 | 35.24 |
GRAVY index | -1.157 | -1.064 |