>3K74_1|Chain A|Dihydrofolate reductase|Escherichia coli K-12 (83333)
MISLIAALAVDRVIGMENAMPWNLPADLAWFKRNTLNKPVIMGRHTWESIGRPLPGRKNIILSSQPGTDDRVTWVKSVDEAIAACGDVPEIMVIGGGRVYEQFLPKAQKLYLTHIDAEVEGDTHFPDYEPDDWESVFSEFHDADAQNSHSYCFEILERR
>3K74_2|Chain B|Nanobody|Lama glama (9844)
QLQESGGGLVQPGGSLRLSCAASGFTFNNYWMYWVRRAPGKGLEWVSMINPGGIITKYAESVKGRFTISRDNAKNTLYLQMNSLTSEDTAVYYCAKDWATGLAKKGQGTQVTVSS