>3zn1B (B:) observed residues (from ATOM records)
rkppkgmflsqedveavsanataattvlrqldmelvsvkrqiqnikqtnsalkekldggi
epyrlpeviqkcnarwtteeqllavqairkygrdfqaisdvignksvvqvknffvnyrrr
fnidevlqeweae