>4nzbB (B:) observed residues (from ATOM records)
ldradilynirqtsrpdviptqrdrpvavsvslkfinilevneitnevdvvfwqqttwsd
rtlawnsshspdqvsvpisslwvpdlaaynaiskpevltpqlarvvsdgevlympsirqr
fscdvsgvdtesgatcrikigswthhsreisvdptseyfsqysrfeildvtqkknsvtys
ccpeayedvevslnfrkk