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  • Extinction coefficient (ε): 1.96 x 106 M-1cm-1
  • A483/A280 ≥ 4.6
  • Applications

    Peridinin chlorophyll (PerCP) is commonly used in immunoassays such as fluorescence-activated cell sorting (FACS) and flow cytometry. The fluorophore is covalently linked to proteins or antibodies for use in research applications.[2]


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    Title: Peridinin  
    Author: World Heritage Encyclopedia
    Language: English
    Subject: Chloroplast, Carotenoid, Fluorophore
    Publisher: World Heritage Encyclopedia


    CAS number 33281-81-1 YesY
    PubChem 5289155
    Jmol-3D images Image 1
    Molecular formula C39H50O7
    Molar mass 630.81 g mol−1
     YesY (verify) (what is: YesY/N?)
    Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
    Infobox references

    Peridinin is a light-harvesting carotenoid, a pigment associated with chlorophyll and found in the peridinin-chlorophyll-protein (PCP) light-harvesting complex in dinoflagellates, best studied in Amphidinium carterae.[1]

    Structural characteristics

    The PCP complex is unique in its high ratio of peridinin to chlorophyll; most light-harvesting complexes contain more chlorophyll than carotenoids, but the PCP contains eight peridinin and two chlorophyll molecules arranged to promote peridinin-chlorophyll energy transfer. The PCP complex is a protein trimer with an unusual alpha solenoid protein fold with a molecular weight of 35kDa.

    Spectral characteristics

    • Absorption maximum: 483 nm<
    • Emission maximum: 676 nm
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