>4P66_1|Chain A|Dihydrofolate reductase|Escherichia coli (562) MISLIAALAVDRVIGMENAMPWNLPADLAWFKRNTLNKPVIMGRHCWESIGRPLPGRKNIILSSQPGTDDRVTWVKSVDEAIAAAGDVPEIMVIGGGRVYEQFLPKAQKLYLTHIDAEVEGDTHFPDYEPDDWESVFSEFHDADAQNSHSYSFEILERR