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