>7RZO_1|Chain A|Dihydrofolate reductase|Stenotrophomonas maltophilia (strain K279a) (522373) MAHHHHHHMKLSMIVALDRNRGIGQGNAMPWHLPDDFKHFKALTLGKPILMGRKTAESIGRVLPGRTNLVLTRSGQVPFEGMRAVASLDEAKTIAEGEGASELCIIGGGEIFHQLLDQASDLYLTWVDAEIPADTHFPEVDMQDWREVSSEPHPADERHAYAFRFAHYVRR