title: Partial purification and characterization of a lethal protein from Tripneustes gratilla.
mesh_terms: D000818:Animals; D002498:Centrifugation; D002848:Chromatography, DEAE-Cellulose; D002850:Chromatography, Gel; D002852:Chromatography, Ion Exchange; D004589:Electrophoresis, Disc; D005374:Filtration; D007275:Injections, Intravenous; D007525:Isoelectric Focusing; D051379:Mice; D008970:Molecular Weight; D012617:Sea Urchins / Q000032:analysis*; D014118:Toxins, Biological / Q000008:administration & dosage / Q000302:isolation & purification*
chemical_list: D014118:Toxins, Biological