Identification of an additional member of the protein-tyrosine-phosphatase family: evidence for alternative splicing in the tyrosine phosphatase domain.
نویسندگان
چکیده
منابع مشابه
Evolution of the multifunctional protein tyrosine phosphatase family.
The protein tyrosine phosphatase (PTP) family plays a central role in signal transduction pathways by controlling the phosphorylation state of serine, threonine, and tyrosine residues. PTPs can be divided into dual specificity phosphatases and the classical PTPs, which can comprise of one or two phosphatase domains. We studied amino acid substitutions at functional sites in the phosphatase doma...
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RNA splicing regulates the activity of a SH2 domain-containing protein tyrosine phosphatase.
A cDNA which encodes a protein tyrosine phosphatase with two src homology 2 (SH2) domains was isolated from a rat brain cDNA library. This phosphatase appears to be a rat homologue of PTP1D based on its amino acid sequence. The gene is expressed in a variety of tissues, and its mRNA is enriched in the brain, skeletal muscle, and lung. An RNA splice variant (PTP1Di) was also isolated which has f...
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The putative tyrosine phosphatase HD-PTP, encoded by the protein-tyrosine-phosphatase-n23 (Ptpn23) gene, has been described as a tumor suppressor candidate gene. However, its physiological roles and detailed expression profiles are poorly defined. To investigate HD-PTP functions, we generated a mouse model in which the Ptpn23 locus was disrupted by an in-frame insertion of a beta-galactosidase-...
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The aggregation of cellular intermediate filaments is an important step in the terminal differentiation of keratinocytes. It has been shown that epidermal filaggrin can cause intermediate filaments to aggregate in vitro and may also have the same function in vivo. Filaggrin is derived via dephosphorylation and proteolysis from a highly phosphorylated precursor, profilaggrin, which is found in t...
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ژورنال
عنوان ژورنال: Proceedings of the National Academy of Sciences
سال: 1990
ISSN: 0027-8424,1091-6490
DOI: 10.1073/pnas.87.12.4444