>sp|P31073|DYR_CITFR Dihydrofolate reductase OS=Citrobacter freundii GN=folA
MISLIAALAVDRVIGMENAMPWNLPADLAWFKRNTLNKPVVMGRHTWESIGRPLPGRKNI
VISSKPGTDDRVQWVKSVDEAIAACGDEPEIMVIGGGRVYEQFLPKAQKLYLTHIDAEVE
GDTHFPDYEPDDWESVFSEFHDADAQNSHSYCFEILERR