>4lzaB (B:) observed residues (from ATOM records)
tleeikmmireipdfpkkgikfkditpvlkdakafnysiemlakalegrkfdliaapear
gflfgaplayrlgvgfvpvrkpgklpaetlsyeyeleygtdsleihkdavlegqrvvivd
dllatggtiyasaklveslggivdsiiflteltfldgrkkldgydiislikf