PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 8448358-3 1993 Amino acid sequencing of the purified protein showed that AP24 is synthesized as a preproprotein from which an amino-terminal signal peptide and a carboxyl-terminal propeptide (CTPP) are cleaved off during post-translational processing. ctpp 177-181 osmotin Nicotiana tabacum 58-62 10719625-4 1999 One mutant, delta C18 osmotin, had a nonsense mutation near the C-terminus that deleted the carboxyl terminal prepropeptide (CTPP) of 18 amino acids. ctpp 125-129 osmotin Nicotiana tabacum 22-29 8448358-6 1993 In contrast, the proteins produced in plants expressing the mutant construct were secreted extracellularly, indicating that the CTPP is necessary for targeting of AP24 to the vacuoles. ctpp 128-132 osmotin Nicotiana tabacum 163-167