- Expression of a 26S proteasome ATPase subunit, MS73, in muscles that undergo developmentally programmed cell death, and its control by ecdysteroid hormones in the insect Manduca sexta. Löw, P., Bussell, K., Dawson, S.P., Billett, M.A., Mayer, R.J., Reynolds, S.E. FEBS Lett. (1997)