>5dxv_B mol:protein length:156 rethreaded DHFRMAISLIAALAVDRVIGDTHFPDYEPDDWESVFSEFHDADAQNPADLAWFKRNTLDKPVIMGRHTWESIGRPLPGRKNIILSSQPGTDDRVTWVKSVDEAIAACGDVPEIMVIGGGRVYEQFLPKAQKLYLTHIDAEGHSYCFEILERRLEHHHHHH