>1nfbB (B:) observed residues (from ATOM records)
tsyvpddgltaqqlfncgdgltyndflilpgyidftadqvdltsaltkkitlktplvssp
mdtvteagmaiamaltggigfihhnctpefqanevrkvkkyeqgfitdpvvlspgipitd
tgrmgsapagitlkeaneilqrskkgklpivneddevaiianrdyplaskdakkqllcga
aigtheddkyrldllaqagvdvvvldssqgnsifqinmikyikdkypnlqviggnvvtaa
qaknlidagvdalrvgmgsgsicitqevlacgrpqatavykvseyarrfgvpviadggiq
nvghiakalalgastvmmgsllaatteapgeyffsdgirlkkyrgmdkgsihkfvpylia
giqhscqdigaksltqvrammysgelkfekrtssaq