>gi|20270371 carboxymethylenebutenolidase [Homo sapiens] MANEAYPCPCDIGHRLEYGGLGREVQVEHIKAYVTKSPVDAGKAVIVIQD IFGWQLPNTRYIADMISGNGYTTIVPDFFVGQEPWDPSGDWSIFPEWLKT RNAQKIDREISAILKYLKQQCHAQKIGIVGFCWGGTAVHHLMMKYSEFRA GVSVYGIVKDSEDIYNLKNPTLFIFAENDVVIPLKDVSLLTQKLKEHCKV EYQIKTFSGQTHGFVHRKREDCSPADKPYIDEARRNLIEWLNKYM