《英文msh词典》CPSF Protein
[入口词] CPSF Protein
[主题词] Cleavage And Polyadenylation Specificity Factor
[英文释义] An RNA-binding protein that recognizes the AAUAAA RNA SEQUENCE at the 3' end of MRNA. It contains four subunits of 30,73,100 and 160 kD molecular size and combines with CLEAVAGE STIMULATION FACTOR to form a stable complex with mRNA that directs the 3' cleavage and polyadenylation reaction.