>4EJ1_1|Chains A, B|Dihydrofolate reductase|Escherichia coli (83333)
MISLIAALAVDRVIGMENAMPWNLPADLAWFKRNTLNKPVIMGRHTWESIGRPLPGRKNIILSSQPGTDDRVTWVKSVDEAIAACGDVPEIMVIGGGRVYEQFLPKAQKLYLTHIDAEVEGDTHFPDYEPDDWESVFSEFHDADAQNSHSYCFEILERR
>4EJ1_2|Chains C, D|Nb113 camelid antibody fragment|Lama glama (9844)
QVQLQESGGGLVQAGGSLRLSCTASGRTFSSYAMGWFRQTPGKEREFVAAITWGGSTTLYADSVKGRFTMSRDNAKNTVYLQMNSLKPEDTAVYYCAADGSQYRSTYSFRDKPDYGSWGQGTQVTVSSHHHHHH