>4OSG_1|Chains A, B, C, D|Dihydrofolate reductase|Klebsiella pneumoniae CG43 (1244085) MISLIAALAVDRVIGMENAMPWNLPADLAWFKRNTLNKPVVMGRLTWESIGRPLPGRKNIVISSKPGSDDRVQWVSSVEEAIAACGDVEEIMVIGGGRVYEQFLPKAQKLYLTHIDAEVEGDTHFPDYDPDEWESVFSEFHDADAQNSHSYCFEILERRHHHHHH