PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 7553912-2 1995 Both additional tubulins probably bind GTP but lack GTPase activity, while their synthesis requires the TCP1 chaperonine but is not autoregulated. chaperonine 109-120 t-complex 1 Homo sapiens 104-108