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SensoLyte® 520 Cathepsin E Assay Kit

FRET Fluorometric
Catalog No. ABIN1882441

Quick Overview for SensoLyte® 520 Cathepsin E Assay Kit (ABIN1882441)

Target

See all Cathepsin E (CTSE) Kits
Cathepsin E (CTSE)

Detection Method

Fluorometric

Application

Fluorescence Resonance Energy Transfer Microscopy (FRET)
  • Brand

    SensoLyte®

    Characteristics

    The SensoLyte® 520 Cathepsin E Activity Assay Kit is a homogeneous assay that can be used to detect the enzyme activity in biological samples or in purified enzyme preparations. The unique long wavelength FRET substrate employed in the assay was designed to reduce the cross reactivity of Cathepsin D. A QXL™ 520/HiLyte Fluor™ 488 pair is used for optimal quenching of the intact substrate. When active Cathepsin E cleaves the FRET substrate, it results in an increase of HiLyte Fluor™ 488 fluorescence, monitored at excitation/emission = 490 nm/520 nm. The fluorescent signal from HiLyte Fluor™ 488 is stable at low pH, an optimal pH for cathepsin activity. This assay can detect as low as 2 ng/mL active Cathepsin E.
  • Comment

    FRET-based Assay Kit

    Restrictions

    For Research Use only
  • Handling Advice

    Protect Components A and B from light and moisture.

    Storage

    -80 °C

    Storage Comment

    Store all kit components at -20 °C, except Component C. Store Component C at -80 °C. Component D can be stored at room temperature for convenience.
  • Target

    Cathepsin E (CTSE)

    Alternative Name

    Cathepsin E

    Background

    Cathepsin E is a non-lysosomal aspartic proteinase of the pepsin superfamily. It plays an important role in the protein degradation, the generation of bioactive proteins, and antigen processing. Recent studies have particularly suggested that Cathepsin E is important in host defense against cancer cells and invading microorganisms.
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