>4zr6B (B:) observed residues (from ATOM records)
radilynirqtsrpdviptqrdrpvavsvslkfinilevneitnevdvvfwqqttwsdrt
lawnsspdqvsvpisslwvpdlaaynaiskpevltpqlarvvsdgevlympsirqrfscd
vsgvdtesgatcrikigswthhsreisvdpseyfsqysrfeilvtqkknsvtysccpeay
edvevslnfrkk