title: A ribonucleoprotein group with species- and tissue-specific biological activity. I. Studies on the isolation and characterization of the nucleoprotein group.
mesh_terms: D000596:Amino Acids / Q000032:analysis; D000818:Animals; D001923:Brain Chemistry; D002417:Cattle; D002843:Chromatin / Q000032:analysis; D008099:Liver / Q000032:analysis; D009163:Mycobacterium bovis / Q000032:analysis; D009698:Nucleoproteins / Q000032:analysis / Q000302:isolation & purification*; D009711:Nucleotides / Q000032:analysis; D012313:RNA / Q000032:analysis / Q000302:isolation & purification*; D012329:RNA, Bacterial / Q000032:analysis / Q000302:isolation & purification; D013291:Streptococcus / Q000032:analysis; D013950:Thymus Gland / Q000032:analysis
chemical_list: D000596:Amino Acids; D002843:Chromatin; D009698:Nucleoproteins; D009711:Nucleotides; D012329:RNA, Bacterial; D012313:RNA