title: Isolation of sea urchin embryo histone H2A and immunological identification of other stage-specific H2A proteins.
mesh_terms: D000596:Amino Acids / Q000032:analysis; D000818:Animals; D004625:Embryo, Nonmammalian / Q000502:physiology*; D005260:Female; D006657:Histones / Q000302:isolation & purification* / Q000502:physiology; D012617:Sea Urchins
chemical_list: D000596:Amino Acids; D006657:Histones