Recombinant Mouse Receptor-Type Tyrosine-Protein Phosphatase S (PTPRS) Protein (His&Myc)

Beta LifeScience SKU/CAT #: BLC-01378P
Greater than 85% as determined by SDS-PAGE.
Greater than 85% as determined by SDS-PAGE.

Recombinant Mouse Receptor-Type Tyrosine-Protein Phosphatase S (PTPRS) Protein (His&Myc)

Beta LifeScience SKU/CAT #: BLC-01378P
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Product Overview

Description Recombinant Mouse Receptor-Type Tyrosine-Protein Phosphatase S (PTPRS) Protein (His&Myc) is produced by our Baculovirus expression system. This is a protein fragment.
Purity Greater than 85% as determined by SDS-PAGE.
Uniprotkb B0V2N1
Target Symbol PTPRS
Synonyms PTPNU-3 Receptor-type tyrosine-protein phosphatase sigma
Species Mus musculus (Mouse)
Expression System Baculovirus
Tag N-10His&C-Myc
Target Protein Sequence EPGEHVTGMELEFKRLASSKAHTSRFITASLPCNKFKNRLVNILPYESSRVCLQPIRGVEGSDYINASFIDGYRQQKAYIATQGPLAETTEDFWRALWENNSTIVVMLTKLREMGREKCHQYWPAERSARYQYFVVDPMAEYNMPQYILREFKVTDARDGQSRTVRQFQFTDWPEQGAPKSGEGFIDFIGQVHKTKEQFGQDGPISVHCSAGVGRTGVFITLSIVLERMRYEGVVDIFQTVKVLRTQRPAMVQTEDEYQFCFQAALEYLGSFDHYAT
Expression Range 1631-1907aa
Protein Length Partial
Mol. Weight 35.8 kDa
Research Area Neuroscience
Form Liquid or Lyophilized powder
Buffer Liquid form: default storage buffer is Tris/PBS-based buffer, 5%-50% glycerol. Lyophilized powder form: the buffer before lyophilization is Tris/PBS-based buffer, 6% Trehalose, pH 8.0.
Reconstitution Briefly centrifuged the vial prior to opening to bring the contents to the bottom. Reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL. It is recommended to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20°C/-80°C. The default final concentration of glycerol is 50%.
Storage 1. Store at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. 2. Avoid repeated freeze-thaw cycles. 3. Store working aliquots at 4°C for up to one week. 4. In general, protein in liquid form is stable for up to 6 months at -20°C/-80°C. Protein in lyophilized powder form is stable for up to 12 months at -20°C/-80°C.
Notes Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.

Target Details

Target Function Cell surface receptor that binds to glycosaminoglycans, including chondroitin sulfate proteoglycans and heparan sulfate proteoglycans. Binding to chondroitin sulfate and heparan sulfate proteoglycans has opposite effects on PTPRS oligomerization and regulation of neurite outgrowth. Contributes to the inhibition of neurite and axonal outgrowth by chondroitin sulfate proteoglycans, also after nerve transection. Plays a role in stimulating neurite outgrowth in response to the heparan sulfate proteoglycan GPC2. Required for normal brain development, especially for normal development of the pituitary gland and the olfactory bulb. Functions as tyrosine phosphatase. Mediates dephosphorylation of NTRK1, NTRK2 and NTRK3. Plays a role in down-regulation of signaling cascades that lead to the activation of Akt and MAP kinases. Down-regulates TLR9-mediated activation of NF-kappa-B, as well as production of TNF, interferon alpha and interferon beta.
Subcellular Location Cell membrane; Single-pass type I membrane protein. Cell projection, axon. Perikaryon. Cytoplasmic vesicle, secretory vesicle, synaptic vesicle membrane. Cell junction, synapse, synaptosome. Cell junction, synapse, postsynaptic density. Cell projection, neuron projection. Cell projection, growth cone.
Protein Families Protein-tyrosine phosphatase family, Receptor class 2A subfamily
Database References

KEGG: mmu:19280

STRING: 10090.ENSMUSP00000064048

UniGene: PMID: 25385546

  • Data demonstrate that synoviocytes are regulated by an RPTPsigma-dependent proteoglycan switch in vivo, which can be targeted for rheumatoid arthritis therapy. PMID: 25995222
  • represents an evolutionarily conserved pDC-specific inhibitory receptor, and is required to prevent spontaneous IFN production and immune-mediated intestinal inflammation PMID: 26231120
  • PTPRS-deficient bone marrow cells display increased cobblestone area-forming cell capacity and augmented transendothelial migration capacity, which was abrogated by RAC inhibition. PMID: 25415437
  • the major binding sites for RPTPsigma in adult mouse brain are on neurons and are not proteoglycan GAG chains, as RPTPsigma binding overlaps with the neuronal marker NeuN and was not altered by treatments which eliminate chondroitin or heparan sulfate. PMID: 24530640
  • Protein tyrosine phosphatase sigma targets apical junction complex proteins in the intestine and regulates epithelial permeability. PMID: 24385580
  • The results of this study demonistrated that RPTPsigma limits synapse number and regulates synapse structure and function in the mature central nervous system. PMID: 22519304
  • Structural insights into the homology and differences between mouse protein tyrosine phosphatase-sigma and human protein tyrosine phosphatase-sigma. PMID: 22027896
  • study reports that RPTPsigma acts bimodally in sensory neuron extension, mediating chondroitin sulfate proteoglycan inhibition and Heparan sulfate proteoglycan growth promotion PMID: 21454754
  • RPTPsigma modulates the actin cytoskeleton by regulating Rac GTPase activity through p250GAP. PMID: 20550964
  • Our data suggest that RPTPsigma may function to prevent axonal growth after injury in the adult mammalian spinal cord and could be a target for promoting long distance regeneration after spinal cord injury. PMID: 19780196
  • Enhanced rate of nerve regeneration and directional errors after sciatic nerve injury in PTPsigma knockout mice PMID: 12097500
  • Data demonstrate that the alpha-hemolysin elevates the activity of receptor-like protein tyrosine phosphatase sigma (rPTPsigma). PMID: 15522239
  • results support a model in which RPTPsigma inhibits axon regeneration in the adult injured optic nerves. PMID: 15797710
  • N-cadherin is a physiological substrate for PTPsigma and it participates with beta-catenin in PTPsigma-mediated inhibition of axon growth PMID: 17060446
  • PTPsigma binds with high affinity to neural chondroitin sulfate proteoglycans(CPSGs); binding involves chondroitin sulfate chains & a specific site on 1st immunoglobulin-like domain of PTPsigma; results indicate PTPsigma can act as a receptor for CSPGs PMID: 19833921
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    Proteins are sensitive to heat, and freeze-drying can preserve the activity of the majority of proteins. It improves protein stability, extends storage time, and reduces shipping costs. However, freeze-drying can also lead to the loss of the active portion of the protein and cause aggregation and denaturation issues. Nonetheless, these adverse effects can be minimized by incorporating protective agents such as stabilizers, additives, and excipients, and by carefully controlling various lyophilization conditions.

    Commonly used protectant include saccharides, polyols, polymers, surfactants, some proteins and amino acids etc. We usually add 8% (mass ratio by volume) of trehalose and mannitol as lyoprotectant. Trehalose can significantly prevent the alter of the protein secondary structure, the extension and aggregation of proteins during freeze-drying process; mannitol is also a universal applied protectant and fillers, which can reduce the aggregation of certain proteins after lyophilization.

    Our protein products do not contain carrier protein or other additives (such as bovine serum albumin (BSA), human serum albumin (HSA) and sucrose, etc., and when lyophilized with the solution with the lowest salt content, they often cannot form A white grid structure, but a small amount of protein is deposited in the tube during the freeze-drying process, forming a thin or invisible transparent protein layer.

    Reminder: Before opening the tube cap, we recommend that you quickly centrifuge for 20-30 seconds in a small centrifuge, so that the protein attached to the tube cap or the tube wall can be aggregated at the bottom of the tube. Our quality control procedures ensure that each tube contains the correct amount of protein, and although sometimes you can't see the protein powder, the amount of protein in the tube is still very precise.

    To learn more about how to properly dissolve the lyophilized recombinant protein, please visit Lyophilization FAQs.

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