PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 10049805-5 1998 It appears that the docking of two half-proteasomes, i.e., preholoproteasome formation, is sufficient to trigger autocleavage of the Gly-1/Thr1 bond necessary for active site formation and the subsequent degradation of the propeptides. propeptides 223-234 threonine aldolase 1, pseudogene Homo sapiens 133-138