| PEP protein tyrosine phosphatase | <enzyme> Pest - pro, glu, ser and thr; an intracellular ptpase expressed primarily by cells of haematopoietic origin; involved in regulating nuclear tyrosine phosphorylation; amino acid sequence has been determined Registry number: EC 3.1.3.- Synonym: pep ptpase, pest-enriched phosphatase, ptp-pest (26 Jun 1999) |
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| RNA-tyrosine phosphatase | <enzyme> Hela cell enzyme which removes 5'-terminal protein from poliovirus RNA by breaking the tyrosine-phosphate bond between the above two entities Registry number: EC 3.1.4.- Synonym: uridylyl-(5'p-o)-tyrosine phosphodiesterase, y-pupnpde, tyrosine-RNA phosphatase, uridylylpolynucleotide-(5'p-o)-tyrosine phosphodiesterase (26 Jun 1999) |
| H1-related protein-tyrosine phosphatase | <enzyme> Has tyrosine and threonine/serine phosphatase activities Registry number: EC 3.1.3.- Synonym: vaccinia virus h1-related protein tyrosine phosphatase, vhr ptpase, vh-ptp13 (26 Jun 1999) |
| protein-tyrosine-phosphatase | <enzyme> An enzyme group that specifically dephosphorylates phosphotyrosyl residues in selected proteins. Together with protein-tyrosine kinase, it regulates tyrosine phosphorylation and dephosphorylation in cellular signal transduction and may play a role in cell growth control and carcinogenesis. Chemical name: Protein-tyrosine-phosphate phosphohydrolase Registry number: EC 3.1.3.48 (12 Dec 1998) |
| pyp2 protein tyrosine phosphatase | <enzyme> Shares an essential overlapping role with pyp1 ptpase and is 42% identical in sequence in the c-terminal catalytic domain of pyp1; involved in negative regulation of mitosis in fission yeast Registry number: EC 3.1.3.- Synonym: pyp2 ptpase, pyp2 gene product (26 Jun 1999) |
| pyp3 protein tyrosine phosphatase | <enzyme> Acts as mitotic inducer in fission yeast Registry number: EC 3.1.3.- Synonym: pyp3 gene product, pyp3 ptpase (26 Jun 1999) |
| SH protein-tyrosine phosphatase | <enzyme> Has sequence similarity to src-homology region 2 Registry number: EC 3.1.3.- Synonym: sh-ptp3, sh-ptp1, ptp1c, protein-tyrosine-phosphatase 1c, protein tyrosine phosphatase, nonreceptor type 6, ptpn6, shptp1, protein-tyrosine phosphatase shp, shp ptpase, shp-1, shp-2 (26 Jun 1999) |
| stomach cancer-associated protein-tyrosine phosphatase | <enzyme> Human transmembrane-type ptpase expressed in gastric, pancreatic and colourectal cancer cells; consists of 1093 amino acid; mw 200 kD; genbank d15049 Registry number: EC 3.1.3.- Synonym: sap 1 phosphatase (26 Jun 1999) |
| NU-3 protein tyrosine phosphatase | <enzyme> The murine homolog of rat cam tyrosine phosphatase; has an extracellular cell-adhesion-molecule-like domain; mw 211 kD; genbank x82288 Registry number: EC 3.1.3.- Synonym: nu-3 ptp, ptp nu-3 (26 Jun 1999) |
| Dopa-tyrosine sulfotransferase | <enzyme> Active towards tyrosine and dopa isomers except dl-ortho-tyrosine; isolated from rat liver; genbank u38419 Registry number: EC 2.8.2.- (26 Jun 1999) |
| islet cell antigen-related protein-tyrosine phosphatase | <enzyme> Receptor-like autoantigen found in insulin-dependent diabetes; genbank l76258 Registry number: EC 3.1.3.- Synonym: iar ptp (26 Jun 1999) |
| T-cell protein tyrosine phosphatase | <enzyme> Contains a single ptp domain and possesses a c-terminal region that may play a role in enzymatic regulation and/or targeting to discrete intracellular sites; amino acid sequence known Registry number: EC 3.1.3.- Synonym: tc-ptp (26 Jun 1999) |
| tubulin-tyrosine ligase | <enzyme> An enzyme that covalently links a tyrosine to the C-terminal glutamyl residue of tubulin, coupled with the hydrolysis of ATP to ADP and Pi; this is a unique posttranslational modification that may have a significant role in cytoskeletal traffic and design. (05 Mar 2000) |
| tyrosine | <amino acid> One of the twenty amino acids directly coded in proteins. Nonessential in humans since can be synthesised from phenylalanine. (18 Nov 1997) |
| tyrosine 3-monooxygenase | <enzyme> An enzyme that catalyses the conversion of l-tyrosine, tetrahydrobiopterin, and oxygen to 3,4-dihydroxy-l-phenylalanine, dihydrobiopterin, and water. Chemical name: L-Tyrosine,tetrahydrobiopterin:oxygen oxidoreductase (3-hydroxylating) Registry number: EC 1.14.16.2 (12 Dec 1998) |