3QNA:
reference: Structural basis of a novel activity of bacterial 6-pyruvoyltetrahydropterin synthase homologues distinct from mammalian 6-pyruvoyltetrahydropterin synthase activity., Seo KH, Zhuang N, Park YS, Park KH, Lee KH, Acta Crystallogr D Biol Crystallogr. 2014 May;70(Pt 5):1212-23. doi:, 10.1107/S1399004714002016. Epub 2014 Apr 26. PMID: 24816091

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