SRP0224

Sigma-Aldrich

PTPsigma/PTPRS Active human

recombinant, expressed in E. coli, ≥70% (SDS-PAGE)

Sinónimos:
R-PTP-σ, PTPRS, Protein tyrosine phosphatase, receptor type, S
En este momento no podemos mostrarle ni los precios ni la disponibilidad

biological source

human

recombinant

expressed in E. coli

assay

≥70% (SDS-PAGE)

form

aqueous solution

mol wt

98 kDa

packaging

pkg of 20 μg

storage condition

avoid repeated freeze/thaw cycles

concentration

>0.02 mg/mL

NCBI accession no.

UniProt accession no.

shipped in

dry ice

storage temp.

−70°C

Gene Information

human ... PTPRS(5802)

General description

Protein tyrosine phosphatase, receptor type S (PTPRS) also known as PTPσ belongs to the subfamily of receptor-type protein tyrosine phosphatases. It is encoded by the gene mapped to human chromosome 19p13.3. PTPRS consists of large ectodomain and a membrane-spanning intracellular domain.
Human PTPRS (GenBank Accession No. BC104812) (amino acids 883-end), with N-terminal GST tag, MW = 98kDa, expressed in a Escherichia coli expression system.

Application

Useful for the study of enzyme kinetics, screening inhibitors, and selectivity profiling.

Biochem/physiol Actions

Protein tyrosine phosphatase, receptor type S (PTPRS)/ PTPs localized on the cell surface plays a vital role in cell–cell and cell– extracellular matrix (ECM) interactions, and is implicated in the regulation of axon homeostasis and neuronal development. In addition, PTPRS also has a crucial role in autophagy regulation. PTPRS expressed on plasmacytoid dendritic cells (pDCs) inhibits the production of type I interferon (IFN) in response to viruses. Mutation of both Ptprs and Ptprf (protein tyrosine phosphatase, receptor type F) results in pDC hyperactivation and mild colitis.

Unit Definition

One unit will hydrolyze 1 nmol p-nitrophenyl phosphate per minute at pH 7.4 and 30°C.

Physical form

Formulated in 25 mM Tris-HCl, pH 8.0, 100 mM NaCl, 0.05% Tween-20, 20% glycerol and 3 mM DTT.

Preparation Note

Thaw on ice. Upon first thaw, briefly spin tube containing enzyme to recover full content of the tube. Aliquot enzyme into single use aliquots. Store remaining undiluted enzyme in aliquots at -70°C. Note: Enzyme is very sensitive to freeze/thaw cycles.
Certificado de Análisis
Protein Tyrosine Phosphatase PTPRS Is an Inhibitory Receptor on Human and Murine Plasmacytoid Dendritic Cells.
Bunin A
Immunity, 43(2), 277-288 (2015)
Physical mapping of receptor type protein tyrosine phosphatase sigma (PTPRS) to human chromosome 19p13.3.
Wagner J
Genomics, 38(1), 76-78 (1996)
Identification of PTPsigma as an autophagic phosphatase.
Martin KR
Journal of Cell Science, 124(Pt 5), 812-819 (2011)

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