Phosphotyrosine-independent binding of SHC to the NPLH sequence of murine protein-tyrosine phosphatase-PEST. Evidence for extended phosphotyrosine binding/phosphotyrosine interaction domain recognition specificity. 1996

A Charest, and J Wagner, and S Jacob, and C J McGlade, and M L Tremblay
Department of Biochemistry, McGill University, Montreal, Quebec H3G 1Y6, Canada.

The phosphotyrosine binding (PTB) or phosphotyrosine interaction (PI) domain of the proto-oncoprotein p52SHC binds to an NPXpY consensus sequence found in several growth factor receptors (Kavanaugh, W. M., Turck, C. W., and Williams, L. T. (1994) Science 268, 1177-1179). The amino-terminal region of p52SHC, which includes the PTB/PI domain, has been previously shown to associate with protein-tyrosine phosphatase-PEST (PTP-PEST) in vivo (Habib, T. , Herrera, R., and Decker, S. J. (1994) J. Biol. Chem. 269, 25243-25246). We report here the detailed mapping of this interaction in a murine context using glutathione S-transferase fusion protein binding studies and peptide competition assays. We show that the interaction between murine SHC and murine PTP-PEST is mediated through the PTB/PI domain of murine SHC and an NPLH sequence found in the carboxyl terminus of murine PTP-PEST. Since this interaction is not dependent on the presence of a tyrosine-phosphorylated residue in the target sequence, this reveals that the PTB/PI domain of SHC can recognize both tyrosine-phosphorylated sequences and non-tyrosine-based recognition motifs.

UI MeSH Term Description Entries
D008969 Molecular Sequence Data Descriptions of specific amino acid, carbohydrate, or nucleotide sequences which have appeared in the published literature and/or are deposited in and maintained by databanks such as GENBANK, European Molecular Biology Laboratory (EMBL), National Biomedical Research Foundation (NBRF), or other sequence repositories. Sequence Data, Molecular,Molecular Sequencing Data,Data, Molecular Sequence,Data, Molecular Sequencing,Sequencing Data, Molecular
D010455 Peptides Members of the class of compounds composed of AMINO ACIDS joined together by peptide bonds between adjacent amino acids into linear, branched or cyclical structures. OLIGOPEPTIDES are composed of approximately 2-12 amino acids. Polypeptides are composed of approximately 13 or more amino acids. PROTEINS are considered to be larger versions of peptides that can form into complex structures such as ENZYMES and RECEPTORS. Peptide,Polypeptide,Polypeptides
D011485 Protein Binding The process in which substances, either endogenous or exogenous, bind to proteins, peptides, enzymes, protein precursors, or allied compounds. Specific protein-binding measures are often used as assays in diagnostic assessments. Plasma Protein Binding Capacity,Binding, Protein
D011506 Proteins Linear POLYPEPTIDES that are synthesized on RIBOSOMES and may be further modified, crosslinked, cleaved, or assembled into complex proteins with several subunits. The specific sequence of AMINO ACIDS determines the shape the polypeptide will take, during PROTEIN FOLDING, and the function of the protein. Gene Products, Protein,Gene Proteins,Protein,Protein Gene Products,Proteins, Gene
D011994 Recombinant Proteins Proteins prepared by recombinant DNA technology. Biosynthetic Protein,Biosynthetic Proteins,DNA Recombinant Proteins,Recombinant Protein,Proteins, Biosynthetic,Proteins, Recombinant DNA,DNA Proteins, Recombinant,Protein, Biosynthetic,Protein, Recombinant,Proteins, DNA Recombinant,Proteins, Recombinant,Recombinant DNA Proteins,Recombinant Proteins, DNA
D006639 Histidine An essential amino acid that is required for the production of HISTAMINE. Histidine, L-isomer,L-Histidine,Histidine, L isomer,L-isomer Histidine
D000071425 Src Homology 2 Domain-Containing, Transforming Protein 1 An SHC-signaling adaptor protein that transduces PHOSPHOTYROSINE-dependent signals downstream of RECEPTOR PROTEIN-TYROSINE KINASES and non-receptor tyrosine kinases. It is required for TGF-BETA-induced CELL MIGRATION; NEOLPASM INVASION; and METASTASIS of BREAST NEOPLASMS; its SH2 DOMAIN is essential for tumor survival. It also functions in signaling downstream of ANGIOPOIETIN RECEPTOR TIE-2, regulating the migration of ENDOTHELIAL CELLS; and PHYSIOLOGIC NEOVASCULARIZATION. SHC (Src Homology 2 Domain-Containing) Transforming Protein 1,SHC-Transforming Protein 1,SHC1 (Src Homology 2 Domain-Containing) Protein,SHC1 Protein,ShcA Protein,Src Homology 2 Domain-Containing-Transforming Protein C1,SHC Transforming Protein 1,Src Homology 2 Domain Containing Transforming Protein C1,Src Homology 2 Domain Containing, Transforming Protein 1
D000595 Amino Acid Sequence The order of amino acids as they occur in a polypeptide chain. This is referred to as the primary structure of proteins. It is of fundamental importance in determining PROTEIN CONFORMATION. Protein Structure, Primary,Amino Acid Sequences,Sequence, Amino Acid,Sequences, Amino Acid,Primary Protein Structure,Primary Protein Structures,Protein Structures, Primary,Structure, Primary Protein,Structures, Primary Protein
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D013329 Structure-Activity Relationship The relationship between the chemical structure of a compound and its biological or pharmacological activity. Compounds are often classed together because they have structural characteristics in common including shape, size, stereochemical arrangement, and distribution of functional groups. Relationship, Structure-Activity,Relationships, Structure-Activity,Structure Activity Relationship,Structure-Activity Relationships

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