scissible

adjective2

1. •
   Capable of being cut by a sharp instrument.
2. •
   That can be severed or broken (often by a specific enzyme or catalyst).

   • The former need the presence of either a free α-NH₂ or a α-COOH group adjacent to scissible bond, whereas the latter cleaves peptide bonds of the polypeptide chain distant to the termini. — 1988