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Human APP / SAPPbeta Protein, His Tag (MALS verified)

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  • Synonym
    ABPP,APPI,Amyloid-beta A4 protein
  • Source
    Human SAPPbeta, His Tag (APP-H52H5) is expressed from human 293 cells (HEK293). It contains AA Leu 18 - Met 652 (Accession # P05067-8).
    Predicted N-terminus: Leu 18
  • Molecular Characterization
    Online(Leu 18 - Met 652) P05067-8

    This protein carries a polyhistidine tag at the C-terminus.

    The protein has a calculated MW of 73.8 kDa. The protein migrates as 100-110 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.

  • Endotoxin
    Less than 1.0 EU per μg by the LAL method.
  • Purity

    >95% as determined by SDS-PAGE.

    >90% as determined by SEC-MALS.

  • Formulation

    Lyophilized from 0.22 μm filtered solution in PBS, 0.3M Arginine, pH7.4. Normally trehalose is added as protectant before lyophilization.

    Contact us for customized product form or formulation.

  • Reconstitution

    Please see Certificate of Analysis for specific instructions.

    For best performance, we strongly recommend you to follow the reconstitution protocol provided in the CoA.

  • Storage

    For long term storage, the product should be stored at lyophilized state at -20°C or lower.

    Please avoid repeated freeze-thaw cycles.

    This product is stable after storage at:

    1. -20°C to -70°C for 12 months in lyophilized state;
    2. -70°C for 3 months under sterile conditions after reconstitution.
SDS-PAGE
Human SAPPbeta, His Tag (Cat. No. APP-H52H5) SDS-PAGE gel

Human SAPPbeta, His Tag on SDS-PAGE under reducing (R) condition. The gel was stained with Coomassie Blue. The purity of the protein is greater than 95%.

SEC-MALS
Human SAPPbeta, His Tag (Cat. No. ) MALS images

The purity of Human SAPPbeta, His Tag (Cat. No. APP-H52H5) is more than 90% and the molecular weight of this protein is around 95-115 kDa verified by SEC-MALS.

  • Background
    Amyloid precursor protein (APP) is a type I integral membrane protein ubiquitously expressed in many tissues and concentrated in the synapses of neurons. It has three predominant splice variants: APP695, APP751, and APP770. The majority of APP is cleaved at the plasma membrane by the α-secretase in the non-amyloidogenic pathway. The amyloidogenic pathway starts with β-secretase cleavage by BACE1 on the N-terminal part of the Aβ domain, releasing sAPPβ from a membrane-anchored fragment named βCTF or C99, which is subsequently cleaved by γ-secretase to release Aβ.
  • Clinical and Translational Updates
      
  • Please contact us via TechSupport@acrobiosystems.com if you have any question on this product.

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