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    Biochem J. 1975 Oct;151(1):9-15.

    Oplophorus oxyluciferin and a model luciferin compound biologically active with Oplophorus luciferase.

    Abstract

    The luciferin of the bioluminescent decapod shrimp, Oplophorus gracilorostris, was purified and studied with respect to u.v. spectrum, fluorescence spectrum, mass spectrum and luminescent cross-reaction with the enzyme luciferase of the bioluminescent ostracod, Cypridina hilgendorfii. On the basis of these results, an empirical formula C10H13N3O3 and an imidazo [1,2-a]pyrazin-3-one structure are proposed for luciferin. Of three model luciferin compounds, 3-hydroxy-2-methylimidazo[1,2-a]pyridine is biologically active with both Oplophorus and Cypridina luciferase, indicating that a pyrazine structure is not essential for biological activity with Cypridina luciferase.

    PMID:
    1212217
    [PubMed - indexed for MEDLINE]
    PMCID:
    PMC1172319
    Free PMC Article

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