PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 34158536-5 2021 We find all subunits CCT1-8 are N-terminally processed by combinations of methionine excision and acetylation observed in native human TRiC. Methionine 74-84 t-complex 1 Homo sapiens 21-27