PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 2935245-5 1986 FMC-RB1 could be cloned in soft agar, even in the absence of bone marrow stromal cells as "feeders", making it suitable for a variety of biological studies. Agar 32-36 RB transcriptional corepressor 1 Homo sapiens 4-7