4Z3K: Human Sepiapterin Reductase In Complex With The Cofactor Nad Trypthophan Metabolite Xanthurenic Acid
reference: Tetrahydrobiopterin Biosynthesis as a Potential Target of the Kynurenine Pathway Metabolite Xanthurenic Acid., Haruki H, Hovius R, Pedersen MG, Johnsson K, J Biol Chem. 2016 Jan 8;291(2):652-7. doi: 10.1074/jbc.C115.680488. Epub 2015 Nov, 12. PMID: 26565027

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