>1rb2_B mol:protein length:159 DIHYDROFOLATE REDUCTASE MISLIAALAVDRVIGMENAMPWNLPADLAWFKRNTLDKPVIMGRHTWESIGRPLPGRKN IILSSQPGTDDRVTWVKSVDEAIAACGDVPEIMVIGGGRVYEQFLPKAQKLYLTHIDAE VEGDTHFPDYEPDDWESVFSEFHDADAQNSHSYCFEILERR >1rb2_B mol:protein length:159 DIHYDROFOLATE REDUCTASE MISLIAALAVDRVIGMENAMPWNLPADLAWFKRNTLDKPVIMGRHTWESIGRPLPGRKN IILSSQPGTDDRVTWVKSVDEAIAACGDVPEIMVIGGGRVYEQFLPKAQKLYLTHIDAE VEGDTHFPDYEPDDWESVFSEFHDADAQNSHSYCFEILERR >1rb2_A mol:protein length:159 DIHYDROFOLATE REDUCTASE MISLIAALAVDRVIGMENAMPWNLPADLAWFKRNTLDKPVIMGRHTWESIGRPLPGRKN IILSSQPGTDDRVTWVKSVDEAIAACGDVPEIMVIGGGRVYEQFLPKAQKLYLTHIDAE VEGDTHFPDYEPDDWESVFSEFHDADAQNSHSYCFEILERR