cleavage stimulation factor

Function

• one of multiple factors required for polyadenylation & 3'-end cleavage of mammalian pre-mRNAs

Structure

• subunits:
  • CSTF1 (50 kD subunit),
  • CSTF2 (64 kD subunit)
  • CSTF3 (77 kD subunit)

More general terms

• multisubunit protein