>3E28_1|Chains A, B, C, D, E, F|Carbonic anhydrase 2|Haemophilus influenzae (727) MDKIKQLFANNYSWAQRMKEENSTYFKELADHQTPHYLWIGCSDSRVPAEKLTNLEPGELFVHRNVANQVIHTDFNCLSVVQYAVDVLKIEHIIICGHTNCGGIHAAMADKDLGLINNWLLHIRDIWFKHGHLLGKLSPEKRADMLTKINVAEQVYNLGRTSIVKSAWERGQKLSLHGWVFDVNDGFLVDQGVMATSRETLEISYRNAIARLSILDEENILKKDHLENT