4HWK: Crystal Structure Of Human Sepiapterin Reductase In Complex Sulfapyridine
reference: Tetrahydrobiopterin biosynthesis as an off-target of sulfa drugs., Haruki H, Pedersen MG, Gorska KI, Pojer F, Johnsson K, Science. 2013 May 24;340(6135):987-91. doi: 10.1126/science.1232972. PMID: 23704574

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