Waneck, G.L., Stein, M.E., and Flavell, R.A. 1988. Conversion of a Pl-anchored protein to an integral mem- 
brane protein by a single amino acid mutation. Science 241:697-699. 
Williams, D.B., Barber, B.H., Flavell, R.A. , and Allen, H. 1989. Role of P2-microglobulin in the intracellular 
transport and surface expression of murine class I histocompatibility molecules. J Immunol 142:2796- 
2806. 
195 
