>5DXV_1|Chains A, B|rethreaded DHFR|synthetic construct (32630) MAISLIAALAVDRVIGDTHFPDYEPDDWESVFSEFHDADAQNPADLAWFKRNTLDKPVIMGRHTWESIGRPLPGRKNIILSSQPGTDDRVTWVKSVDEAIAACGDVPEIMVIGGGRVYEQFLPKAQKLYLTHIDAEGHSYCFEILERRLEHHHHHH