What cellular proteins bind E1A and SV40 Large T??
(Harlow, Livingston)
Objective: provide clues into the cellular pathway.
What kinds of proteins co-IP’s with E1A?
(anti E1A IP from 35S-cells)
   RB Family: p105, p107, p130
   Cell Cycle: Cyclin A, CDK2
For E1A and Lg.T:
LXCXE
A
B
RB
Model
E1A neutralized RB growth arrest to enhance S-phase.