>sp|P31073|DYR_CITFR Dihydrofolate reductase OS=Citrobacter freundii GN=folA PE=3 SV=1
MISLIAALAVDRVIGMENAMPWNLPADLAWFKRNTLNKPVVMGRHTWESIGRPLPGRKNI
VISSKPGTDDRVQWVKSVDEAIAACGDEPEIMVIGGGRVYEQFLPKAQKLYLTHIDAEVE
GDTHFPDYEPDDWESVFSEFHDADAQNSHSYCFEILERR