title: A very rapidly migrating f1 histone associated with gene-sized pieces of DNA in the macronucleus of Oxytricha sp.
abstract: Histones bound to gene-sized pieces of DNA in the macronucleus of Oxytricha sp. consist of five main fractions: f1, f2a1, f2a2, f2b and f3. Although the slightly lysine-rich and the arginine-rich histones in Oxytricha macronuclei are similar to comparable fractions in vertebrates, the lysine-rich f1 fraction differs. Oxytricha f1 is unique among eukaryotes in that it migrates faster than f2a1 and is located nearest the cathode in polyacrylamide-urea gels.
mesh_terms: D000596:Amino Acids / Q000032:analysis; D000818:Animals; D002417:Cattle; D002467:Cell Nucleus / Q000032:analysis*; D016798:Ciliophora / Q000032:analysis*; D004247:DNA / Q000032:analysis*; D005796:Genes; D006657:Histones / Q000032:analysis*; D008970:Molecular Weight; D013045:Species Specificity; D013769:Tetrahymena pyriformis / Q000032:analysis; D013950:Thymus Gland / Q000032:analysis
chemical_list: D000596:Amino Acids; D006657:Histones; D004247:DNA