Amino acid replacement: S943F.
C18685538T
C?T
S943F | msl-1-PA; S943F | msl-1-PB
S943F
msl-1P864L/msl-1S943F transheterozygous males and females exhibit a decreased adult lifespan compared to controls.
P{GMroX1}75C (which carries roX1t4.9) is still able to partially rescue the lethality of roX1ex6/Df(1)52 males if the males are also heterozygous for msl-1S943F.