>sp|Q59408|DYR13_ECOLX Dihydrofolate reductase type A13 OS=Escherichia coli OX=562 GN=dfrA13 PE=3 SV=1 MNPESVRIYLVAAMGANRVIGNGPDIPWKIPGEQKIFRRLTESKVVVMGRKTFESIGKPL PNRHTVVLSRQAGYSAPGCAVVSTLSHVSPSTAEHGKELYVARGAEVYALALPHANGVFL SEVHQTFEGDAFFPVLNAAEFEVVSSETIQGTITYTHSVYARRNG