>4hwk_A mol:protein length:288 Sepiapterin reductase MSYYHHHHHHLESTSLYKKAGLEGVRTMEGGLGRAVCLLTGASRGFGRTLAPLLASLLS PGSVLVLSARNDEALRQLEAELGAERSGLRVVRVPADLGAEAGLQQLLGALRELPRPKG LQRLLLINNAGSLGDVSKGFVDLSDSTQVNNYWALNLTSMLCLTSSVLKAFPDSPGLNR TVVNISSLCALQPFKGWALYCAGKAARDMLFQVLALEEPNVRVLNYAPGPLDTDMQQLA RETSVDPDMRKGLQELKAKGKLVDCKVSAQKLLSLLEKDEFKSGAHVDFYDK