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The first reaction is catalyzed by tryptophan hydroxylase (TPH-1), which requires L-tryptophan, tetrahydrobiopterin (BH4), and O 2 as co-substrates, and has ferrous ion (Fe 2+ ) as an activator
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doi: 10.20892/j.issn.2095-3941.2023.0510 48 TsutsumiRUeberheideBLiangFXNeelBGSakaiRSaitoYet al
Use reconstituted solution within approximately 1 week for optimal stability [7]
GHK-Cu research is currently experiencing an expansion from classical areas of application (skin, wound healing) toward systemic and neurodegenerative questions
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