title: Hydrogen transfer from 4-R and 4-S (4-3H) NADH in the reduction of d,l-cis-6,7-dimethyl-6,7 (8H) dihydropterin with dihydropteridine reductase from human liver and sheep liver.
mesh_terms: D000818:Animals; D004093:Dihydropteridine Reductase / Q000378:metabolism*; D006801:Humans; D007536:Isomerism; D008099:Liver / Q000201:enzymology*; D009243:NAD; D009247:NADH, NADPH Oxidoreductases / Q000378:metabolism*; D010084:Oxidation-Reduction; D012756:Sheep; D013045:Species Specificity; D013379:Substrate Specificity; D014316:Tritium
chemical_list: D009243:NAD; D014316:Tritium; D004093:Dihydropteridine Reductase; D009247:NADH, NADPH Oxidoreductases