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. Author manuscript; available in PMC: 2025 Jul 1.
Published in final edited form as: Arch Biochem Biophys. 2024 May 11;757:110025. doi: 10.1016/j.abb.2024.110025

Table 4.

Flavin Cofactor Extinction Coefficients

Wavelength (nm) FMN ε (M−1cm−1) FAD ε (M−1cm−1)
280 16,200 16,000
375 9,000 7,200
445 10,700 8,900
450 10,600 9,000