*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : MS3500000 CHEMICAL NAME : Histones SUBSTANCE DEFINITION : Proteins (MF 12,000-20,000) attached to DNA of cell nuclei REFERENCE : 85ESA3 "Merck Index; an Encylopedia of Chemicals and Drugs," 9th ed., Rahway, NJ, Merck & Co., 1976. For publisher information, see MEIEDD. Volume(issue)/page/year: 9,620,1976 LAST UPDATED : 199506 DATA ITEMS CITED : 1 COMPOUND DESCRIPTOR : Mutagen Natural Product *** HEALTH HAZARD DATA *** ** MUTATION DATA ** TYPE OF TEST : DNA inhibition TEST SYSTEM : Microorganism - not otherwise specified DOSE/DURATION : 1 mg/L REFERENCE : NNBYA7 Nature (London), New Biology. (Basingstoke, Hants., UK) V.229-246, 1971-73. For publisher information, see NATUAS. Volume(issue)/page/year: 232,143,1971 *** END OF RECORD ***