>4FHB_1|Chain A|Dihydrofolate reductase|Escherichia coli (83333) MISLIAALAVDRVIGMENAMPWNLPADLAWFKRNTLNKPVIMGRHTWESIGRPLPGRKNIILSSQPGTDDRVTWVKSVDEAIAACGDVPEIMVIGGGRVYEQFLPKAQKLYLTHIDAEVEGDTHFPDYEPDDWESVFSEFHDADAQNSHSYCFEILERR >4FHB_2|Chain B[auth D]|Nb179|Lama glama (9844) QVQLQESGGGLVQAGGSLRLSCEASGRTFSSYAMGWFRQAPGKERDFVAVISWSGSNTYYADSAKGRFTISRDNAKNTVYLQMNSLKPEDTAIYYCAAPGRPHGSSWSLNKKGQGYDYWGQGTQVTVSSHHHHHH