Phosphotyrosine-containing proteins in Dictyostelium discoideum. 1990

A Schweiger, and O Mihalache, and A Muhr, and I Adrian
Max-Planck-Institut für Biochemie, Martinsried bei München, FRG.

Phosphotyrosine-containing proteins in Dictyostelium discoideum were detected by immunoblot analysis and immunoprecipitation using a monoclonal anti-phosphotyrosine antibody. The iodinated antibody recognized on bots a cluster of 205-220 kDa polypeptides and bands of 107 and 60 kDa. The 107 and 60 kDa polypeptides and, in addition, a 82 kDa one became phosphorylated on tyrosine when the immunoprecipitate was incubated with [gamma-32P]ATP. In preparations from differentiating cells the intensity of the label was increased in the 60 kDa band and decreased in the 107 and 205-220 kDa bands.

UI MeSH Term Description Entries
D008970 Molecular Weight The sum of the weight of all the atoms in a molecule. Molecular Weights,Weight, Molecular,Weights, Molecular
D010750 Phosphoproteins Phosphoprotein
D011233 Precipitin Tests Serologic tests in which a positive reaction manifested by visible CHEMICAL PRECIPITATION occurs when a soluble ANTIGEN reacts with its precipitins, i.e., ANTIBODIES that can form a precipitate. Precipitin Test,Test, Precipitin,Tests, Precipitin
D004023 Dictyostelium A genus of protozoa, formerly also considered a fungus. Its natural habitat is decaying forest leaves, where it feeds on bacteria. D. discoideum is the best-known species and is widely used in biomedical research. Dictyostelium discoideum,Dictyostelium discoideums,Dictyosteliums,discoideum, Dictyostelium
D005656 Fungal Proteins Proteins found in any species of fungus. Fungal Gene Products,Fungal Gene Proteins,Fungal Peptides,Gene Products, Fungal,Yeast Proteins,Gene Proteins, Fungal,Peptides, Fungal,Proteins, Fungal
D000911 Antibodies, Monoclonal Antibodies produced by a single clone of cells. Monoclonal Antibodies,Monoclonal Antibody,Antibody, Monoclonal
D014443 Tyrosine A non-essential amino acid. In animals it is synthesized from PHENYLALANINE. It is also the precursor of EPINEPHRINE; THYROID HORMONES; and melanin. L-Tyrosine,Tyrosine, L-isomer,para-Tyrosine,L Tyrosine,Tyrosine, L isomer,para Tyrosine
D019000 Phosphotyrosine An amino acid that occurs in endogenous proteins. Tyrosine phosphorylation and dephosphorylation plays a role in cellular signal transduction and possibly in cell growth control and carcinogenesis. Tyrosine-O-phosphate,Tyrosine O phosphate

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