CDs I(. cDI.)M) inflammatory The MHC d:ss工 and class antibody Miclas.I re ponses ntrecellubr extracellular CD4 is the major cello receptor for HIv-1 E◇ F-TrCP is a Fbox protein ert of a Scf es g It doesnt normally interact B-Trcp B-catenin Ubiquitin chain : pu mediates degradation of CD4 and Cont r butes to the T decrease in the expression of mayor histocompability Compler helene Mc) chss I molecules a抛e surface f HIv.I induced cells