>4I1N_1|Chain A|Dihydrofolate reductase|Escherichia coli (83333)
MISLIAALAVDRVIGMENAMPWNLPADLAWFKRNTLNKPVIMGRHTWESIGRPLPGRKNIILSSQPGTDDRVTWVKSVDEAIAACGDVPEIMVIGGGRVYEQFLPKAQKLYLTHIDAEVEGDTHFPDYEPDDWESVFSEFHDADAQNSHSYCFEILERR
>4I1N_2|Chain B|Protein ca1697 (nanobody)|lama glama (9844)
QVQLQESGGGLVQAGASLRLSCAASERLTVDYAIGWFRQAPGKEREFVAAISWGGGLTVYGESVEGRFTISRDIAKNTMNLQMNVLRPEDTANYYCAASRISYAVWNTIPYNKLTLWGRGTQVTVSSHHHHHH