>4ptj_A mol:protein length:159 Dihydrofolate reductase MISLIAALAVDRVIGMENAMPWNLPADLAWFKRNTLNKPVIMGRHTWESIGRPLPGRKN IILSSQPGTDDRVTWVKSVDEAIAACGDVPEIMVIGGGRVYEQFLPKAQKLYLTHIDAE VEGDTHFPDYEPDDWESVFSEFHDADAQNSHSYCFEILERR