>sp|Q17QK8|SPRE_BOVIN Sepiapterin reductase OS=Bos taurus GN=SPR MEGSVGKVGGLGRTLCVLTGASRGFGRTLAQVLAPLMSPRSVLVLSARNDEALRQLETEL GAEWPGLRIVRVPADLGAETGLQQLVGALCDLPRPEGLQRVLLINNAGTLGDVSKRWVDL TDPTEVNNYWTLNLTSTLCLTSSILQAFPDSPGLSRTVVNISSICALQPFKGWGLYCAGK AARNMMFQVLAAEEPSVRVLSYGPGPLDTDMQQLARETSVDPDLRKSLQELKRKGELVDC KISAQKLLSLLQNDKFESGAHIDFYDE