FRACTIONAL PRECIPITATE
\fɹˈakʃənə͡l pɹɪsˈɪpɪtˌe͡ɪt], \fɹˈakʃənəl pɹɪsˈɪpɪtˌeɪt], \f_ɹ_ˈa_k_ʃ_ə_n_əl p_ɹ_ɪ_s_ˈɪ_p_ɪ_t_ˌeɪ_t]\
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See fractional precipitation, under precipitation. A method used to precipitate the various proteins of animal tissues by successive portions of ammonium sulphate or some other salt.
By Smith Ely Jelliffe
Word of the day
Proto Oncogene Proteins c erbB 2
- cell surface protein-tyrosine kinase that is found to be overexpressed in significant number adenocarcinomas. It has extensive homology can heterodimerize EGF EPIDERMAL GROWTH FACTOR), 3 receptor (RECEPTOR, 3) and the 4 receptor. Activation of erbB-2 receptor occurs during heterodimer formation with a ligand-bound erbB family members. EC 2.7.11.-.