Human TRACP/PAP/ACP5 Antibody

  
  • Species Reactivity
    Human
  • Specificity
    Detects human TRACP/PAP/ACP5 in direct ELISAs and Western blots.
  • Source
    Polyclonal Sheep IgG
  • Purification
    Antigen Affinity-purified
  • Immunogen
    Mouse myeloma cell line NS0-derived recombinant human TRACP/PAP/ACP5
    Ala22-Pro320
    Accession # P13686
  • 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
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 TRACP/PAP/ACP5 by Western Blot. Western blot shows lysates of human lung tissue, SK‑Mel‑28 human malignant melanoma cell line and Recombinant Human TRACP/PAP/ACP5 (Catalog # 3948-AP). PVDF membrane was probed with 0.5 µg/mL of Sheep Anti-Human TRACP/PAP/ACP5 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF3948) followed by HRP-conjugated Anti-Sheep IgG Secondary Antibody (Catalog # HAF016). A specific band was detected for TRACP/PAP/ACP5 at approximately 36 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.
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: TRACP/PAP/ACP5

Encoded by the ACP5 gene, Tartrate Resistant Acid Phosphatase (TRACP or TRAP) is also known as Purple Acid Phosphatase (PAP) or Acid Phosphatase 5 (ACP5) (1). The deuced amino acid (aa) sequence of human ACP5 predicts a signal peptide (aa 1 to 21) and a mature chain (aa 22 to 325). R&D Systems' recombinant human ACP5 consists of aa 22 to 320, without the last 5 residues, RRARP.

ACP5 is expressed at high levels by osteoclasts, macrophages and dendritic cells (2). Two forms, 5a and 5b, circulating in human blood, are derived from different cell types and have different functions. Derived from macrophages and dendritic cells, 5a is a marker of inflammatory conditions. Derived from osteoclasts, 5b is a marker of bone resorption. Compared to 5a, 5b does not contain sialic acid residues, has a higher specific activity and pH optimum, and may be processed into a disulfide-linked dimer (3).

  • References:
    1. Janckila, A.J. and J.M. Halleen (2003) J. Bone Miner. Res. 18:1892.
    2. Halleen, J.M. et al. (2006) Clin. Lab. 52:499.
    3. Janckila, A.J. et al. (2003) J. Bone Miner. Res. 18:1916.
  • Long Name:
    Tartrate Resistant Acid Phosphatase 5
  • Entrez Gene IDs:
    54 (Human); 11433 (Mouse); 25732 (Rat)
  • Alternate Names:
    ACP5; TRACP; TTRRAP
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