>2pbfB (B:) observed residues (from ATOM records)
ennhksllenlkrrgiiddddvyntmlqvdrgkyikeipyidtpvyishgvtisaphmha
lslkrlinvlkpgsraidvgsgsgyltvcmaikmnvlenknsyviglervkdlvnfslen
ikrdkpellkidnfkiihkniyqvneeekkelglfdaihvgasaselpeilvdllaengk
liipieedytqvlyeitkkngiikdrlfdvcfvslkkn