>1rb3_B mol:protein length:159 DIHYDROFOLATE REDUCTASE MISLIAALAVDRVIGMENAMPWNLPADLAWFKRNTLDKPVIMGRHTWESIGRPLPGRKN IILSSQPGTDDRVTWVKSVDEAIAACGDVPEIMVIGGGRVYEQFLPKAQKLYLTHIDAE VEGDTHFPDYEPDDWESVFSEFHDADAQNSHSYCFEILERR >1rb3_B mol:protein length:159 DIHYDROFOLATE REDUCTASE MISLIAALAVDRVIGMENAMPWNLPADLAWFKRNTLDKPVIMGRHTWESIGRPLPGRKN IILSSQPGTDDRVTWVKSVDEAIAACGDVPEIMVIGGGRVYEQFLPKAQKLYLTHIDAE VEGDTHFPDYEPDDWESVFSEFHDADAQNSHSYCFEILERR >1rb3_A mol:protein length:159 DIHYDROFOLATE REDUCTASE MISLIAALAVDRVIGMENAMPWNLPADLAWFKRNTLDKPVIMGRHTWESIGRPLPGRKN IILSSQPGTDDRVTWVKSVDEAIAACGDVPEIMVIGGGRVYEQFLPKAQKLYLTHIDAE VEGDTHFPDYEPDDWESVFSEFHDADAQNSHSYCFEILERR