>2zfbB (B:) SEQRES residues vhwsaeekqlitglwgkvnvaecgaealarllivypwtqrfftsfgnlssasavlgnpnv rahgkkvltsfgeavknldnikntfaqlselhcdklhvdpenfrllgdiliivlaghfgk dftpdcqaawqklvravahalarkyh