Biosynthesis of Firefly Luciferin in Adult Lantern: Decarboxylation of ʟ-Cysteine is a Key Step for Benzothiazole Ring Formation in Firefly Luciferin Synthesis
Figure 4
Mass spectra of firefly luciferin labeled with ʟ-Cys[U-13C3] and 1,4-hydroquinone in the adult lantern of L. lateralis.
(a), the parent ion; (b) and (c), the fragments ions of firefly luciferin.