Human PTP sigma /PTPRS Antibody

(2 citations)   
  • Species Reactivity
    Human
  • Specificity
    Detects the endogenous cleaved extracellular domain of human PTP sigma /PTPRS in Western blots. In Western blots, less than 1% cross-reactivity with recombinant human LAR, PTPR beta, PTPRδ, PTPRµ, or PTPR kappa is observed.
  • Source
    Polyclonal Goat IgG
  • Purification
    Antigen Affinity-purified
  • Immunogen
    Mouse myeloma cell line NS0-derived recombinant human PTP sigma /PTPRS
    Glu30-Gly1260
    Accession # NP_570924
  • Formulation
    Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied as a 0.2 µm filtered solution in PBS.
  • Label
    Unconjugated
Applications
  •  
    Recommended
    Concentration
    Sample
  • Western Blot
    1 µg/mL
    See below
  • Immunocytochemistry
    5-15 µg/mL
    See below
Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.
Data Examples
Detection of Human PTP sigma /PTPRS by Western Blot. Western blot shows lysates of SH-SY5Y human neuroblastoma cell line, CHP-100 human neuroblastoma cell line, and A431 human epithelial carcinoma cell line. PVDF membrane was probed with 1 µg/mL Goat Anti-Human PTP sigma /PTPRS Antigen Affinity-purified Polyclonal Antibody (Catalog # AF3430) followed by HRP-conjugated Anti-Goat IgG Secondary Antibody (Catalog # HAF109). For additional reference, recombinant human PTPRµ, PTPR kappa, LAR, PTPR sigma, PTPRδ, and PTPR beta (40 ng/lane) were included. A specific band for PTP sigma /PTPRS was detected at approximately 140 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.
Immunocytochemistry
PTP sigma /PTPRS in A431 Cell Line. PTP sigma /PTPRS was detected in immersion fixed A431 human epithelial carcinoma cell line using Goat Anti-Human PTP sigma /PTPRS Antigen Affinity-purified Polyclonal Antibody (Catalog # AF3430) at 10 µg/mL for 3 hours at room temperature. Cells were stained using the NorthernLights™ 557-conjugated Anti-Goat IgG Secondary Antibody (red; Catalog # NL001) and counterstained with DAPI(blue). Specific staining was localized to cytoplasm. View our protocol for Fluorescent ICC Staining of Cells on Coverslips.
Preparation and Storage
  • Reconstitution
    Reconstitute at 0.2 mg/mL in sterile PBS.
  • Shipping
    The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. *Small pack size (SP) is shipped with polar packs. Upon receipt, store it immediately at -20 to -70 °C
  • Stability & Storage
    Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
    • 12 months from date of receipt, -20 to -70 °C as supplied.
    • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
    • 6 months, -20 to -70 °C under sterile conditions after reconstitution.
Background: PTP sigma/PTPRS

Protein Tyrosine Phoshatase Receptor-type sigma (PTPR sigma ), also known as PTP sigma, is an integral membrane protein with a non-glycosylated molecular weight of 214 kilodaltons. The extracellular domain, which was used as immunogen, is cleaved near the cell membrane by an endoprotease to generate a glycated 140 kDa protein. Significant levels of this protein are found in the brain and in endocrine tissues such as the pituitary gland and pancreas. Knockout mice deficient in PTPR sigma have severe neurological deficits and most die shortly after birth.

  • Long Name:
    Protein Tyrosine Phosphatase Receptor-type Sigma
  • Entrez Gene IDs:
    5802 (Human); 19280 (Mouse)
  • Alternate Names:
    EC 3.1.3.48; protein tyrosine phosphatase PTPsigma; protein tyrosine phosphatase, receptor type, S; protein tyrosine phosphatase, receptor type, sigma; PTP sigma; PTPR sigma; PTPRS; PTPSIGMA; receptor-type tyrosine-protein phosphatase S; Receptor-type tyrosine-protein phosphatase sigma; R-PTP-S; R-PTP-sigma
Related Research Areas
Citations:

R&D Systems personnel manually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but also provides information about sample types, species, and experimental conditions.

2 Citations: Showing 1 - 2
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Species
Applications
Sample Type
  1. Protein Tyrosine Phosphatase PTPRS Is an Inhibitory Receptor on Human and Murine Plasmacytoid Dendritic Cells.
    Authors: Bunin A, Sisirak V, Ghosh H, Grajkowska L, Hou Z, Miron M, Yang C, Ceribelli M, Uetani N, Chaperot L, Plumas J, Hendriks W, Tremblay M, Hacker H, Staudt L, Green P, Bhagat G, Reizis B
    Immunity, 2015;43(2):277-88.
    Species: Human
    Sample Type: Whole Cells
    Application: Flow
  2. Modulation of the proteoglycan receptor PTPsigma promotes recovery after spinal cord injury.
    Authors: Lang B, Cregg J, DePaul M, Tran A, Xu K, Dyck S, Madalena K, Brown B, Weng Y, Li S, Karimi-Abdolrezaee S, Busch S, Shen Y, Silver J
    Nature, 2015;518(7539):404-8.
    Species: Rat
    Sample Type: Whole Cells
    Application: ICC Fluorescence
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