PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 1932206-6 1991 Two nuclear matrix proteins, p52 and p55, incorporated [3H] retinoic acid rapidly, were cell-cycle-related, and disappeared within 12 h of dosing. Tretinoin 60-73 H3 histone pseudogene 44 Homo sapiens 37-40