>4j7x_F mol:protein length:288 Sepiapterin reductase MSYYHHHHHHLESTSLYKKAGLEGVRTMEGGLGRAVCLLTGASRGFGRTLAPLLASLLS PGSVLVLSARNDEALRQLEAELGAERSGLRVVRVPADLGAEAGLQQLLGALRELPRPKG LQRLLLINNAGSLGDVSKGFVDLSDSTQVNNYWALNLTSMLCLTSSVLKAFPDSPGLNR TVVNISSLCALQPFKGWALYCAGKAARDMLFQVLALEEPNVRVLNYAPGPLDTDMQQLA RETSVDPDMRKGLQELKAKGKLVDCKVSAQKLLSLLEKDEFKSGAHVDFYDK