>1a4fB (B:) SEQRES residues vhwsaeekqlitglwgkvnvadcgaealarllivypwtqrffssfgnlssptailgnpmv rahgkkvltsfgdavknldnikntfaqlselhcdklhvdpenfrllgdiliivlaahfak eftpdcqaawqklvrvvahalarkyh