Hemoglobin
Suitable protease substrate. Prepared from repeatedly washed, then lysed, and dialyzed bovine red cells. A lyophilized powder.
Histone, Dried
An ethanol dried powder. Unfractionated mixture of histones.
Histone, Lyophilized
A dialyzed, lyophilized powder. Unfractionated mixture of histones.
Histone, Nucleo-
A complex of histone and DNA. Zamenhof, S. Methods in Enzymology, 3, 696, (1957). A dialyzed, lyophilized powder.
Mucin
A dry powder prepared by the method of Nisizawa and Pigman, Arch. Oral. Biol., 1, 161 (1959). Suitable as a substrate for neuraminidase.
