TABLE I.
| hLHR construct | Location of mutations | SAS | Constitutive activitya |
|---|---|---|---|
| Å2 | |||
| WT | 28 | − | |
| L457R | L457(3.43)R | 88 | +++ |
| D578N | D578(6.44)N | 29 | − |
| L457R/D578N | L457(3.43)R/D578(6.44)N | 35 | + |
| L457D | L457(3.43)D | 24 | − |
| D578R | D578(6.44)R | 44 | − |
| L457D/D578R | L457D(3.43)D/D578(6.44)R | 76 | +++ |
| N615R | N615(7.45)R | 43 | + |
| N619R | N619(7.49)R | 23 | − |
| L457R/N615R | L457(3.43)R/N615(7.45)R | 57 | + |
| L457R/N619R | L457(3.43)R/N619(7.49)R | 30 | + |
| L457N | L457(3.43)N | 35 | − |
| L457N/N615R | L457(3.43)N/N615(7.45)R | 55 | + |
| L457N/N619R | L457(3.43)N/N619(7.49)R | 37 | + |
| L457N/N615R/N619R | L457(3.43)N/N615(7.45)R/N619(7.49)R | 50 | − |
Those mutants that are not constitutively active are denoted by “−” and possess basal activities similar to the WT hLHR. Weakly constitutively active mutants are denoted by “+,” and strongly constitutively active mutants by “+++.”