.kappa./.mu.-Like protein tyrosine phosphatase, PTP .lambda.

Details .kappa./.mu.-Like protein tyrosine phosphatase, PTP .lambda. .kappa./.mu.-Like protein tyrosine phosphatase, PTP .lambda.

1997-12-16

1999-07-27

Wax, Robert A.

Chemistry: molecular biology and microbiology

Measuring or testing process involving enzymes or...

Involving hydrolase

435196, 536 232, C12Q 142, C12N 916, C07H 2104

Patent

active

059288876

ABSTRACT:
This invention concerns novel receptor protein tyrosine phosphatase polypeptides. Specifically, this invention concerns the novel receptor protein tyrosine phosphatase .lambda. which is related to the homotypically adhering receptor protein tyrosine phosphatases .kappa. and .mu.. The invention further relates to analogs of these polypeptides in other mammals, functional derivatives thereof, antibodies which are capable of specifically binding to these polypeptides, nucleic acids encoding these polypeptides, vectors containing and capable of expressing such nucleic acid and recombinant host cells transformed with such nucleic acid. Methods for the recombinant production of these receptor protein tyrosine phosphatase polypeptides and assays for identifying agonists and antagonists of these polypeptides are also within the scope of the invention.

REFERENCES:
Cheng, J., et al., "A Novel Protein-Tyrosine Phosphatase Related to the Homotypically Adhering .kappa. and .mu. Receptors", The Journal of Biological Chemistry, vol. 272, No. 11, pp. 7264-7277 (Mar. 14, 1997).
Maher, Pamela A., "Tissue-dependent Regulation of Protein Tyrosine Kinase Activity during Embryonic Development", The Journal of Cell Biology, vol. 112, No. 5 (Mar. 1991).
Tonks, N.K., "Introduction: Protein Tyrosine Phosphatases," Seminars in Cell Biology, 4:373-377 (1993).
Walton, K.M. and J.E. Dixon, "Protein Tyrosine Phosphatases," Annu. Rev. Biochem. 62:101-120 (1993).
Sun, H., and N.K. Tonks, "The Coordinated Action of Protein Tyrosine Phosphatases and Kinases i Signaling," TIBS, 19(11):480-485 (1994).
Brady-Kalnay, S.M., and N.K. Tonks, "Protein Tyrosine Phosphatases as Adhesion Receptors," Curr Opinion in Cell Biology, 7:650-657 (1995).
Beckman, G and P. Bork, "An Adhesive Domain Detected in Functionally Diverse Receptors," TIBS, 41 (1993).
Jiang, Y.-P., et al., "Cloning and Characterization of R-PTP-k, a New Member of the Receptor Prot Tyrosine Phosphatase Family with a Proteolytically Cleaved Cellular Adhesion Molecule-Like Extrac Region," Molecular and Cellular Biology, 13(5):2942-2951 (1993).
Gebbink, M.F.B.G., et al., "Cloning, Expression and Chromosomal Localization of a New Putative Receptor-Like Protein Tyrosine Phosphatase," FEBS, 290(1,2):123-130 (1991).
Brady-Kalnay, S.M., et al., "Homophilic Binding of PTP.mu., a Receptor-Type Protein Tyrosine Phosph Can Mediate Cell-Cell Aggregation," J.Cell. Biol., 122(4):961-972 (1993).
Gebbink, M.F.B.G., et al., "Cell-Cell Adhesion Medicated by a Receptor-Like Protein Tyrosine Phosphatase," The Journal of Biological Chemistry, 268(22):16101-16104 (1993).
Sap, J., et al., "Receptor Tyrosine Phosphatase R-PTP-k Mediates Homophilic Binding," Molecular Cellular Biology, 14(1):1-9 (1994).
Brady-Kalnay, S.N., and N.K. Tonks, "Identification of the Homophilic Binding Site of the Receptor Tyrosine Phosphataes PTP.mu.*," The Journal of Biological Chemistry, 269(45):28472-28477 (1994).
Zondag, G.C.M., "Homophilic Interactions Mediated by Receptor Tyrosine Phosphatases .mu. and .kappa.," Journal of Biological Chemistry, 270(24):14247-14250 (1995).
Brady-Kalnay, S.M., et al., "Receptor Protein Tyrosine Phosphatase PTP.mu. Associates with Cadherin Catenins In Vivo," J. Cell. Biol., 130(4):977-986 (1995).
Fang, K.S., et al., "A Transmembrane Protein-Tyrosine Phosphatase Contains Spectrin-Like Repeat Extracellular Domain," The Journal of Biological Chemistry, 269(19):14056-14063 (1994).
Kaplan, R., et al., "Cloning of Three Human Tyrosine Phosphatases Reveals a Multigene Family of Receptor-Linked Protein-Tyrosine-Phosphatases Expressed in Brain," PNAS USA, 87:7000-7004 (1990).

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