>2a2zB (B:) observed residues (from ATOM records)
rikkisiegniaagkstfvnilkqlcedwevvpepvarwcnvqstnvlqmmyekperwsf
tfqtyaclsriraqlaslngekpvlffersvysdryifasnlyesecmnetewtiyqdwh
dwmnnqfgqsleldgiiylqatpetclhriylrgrneeqgipleyleklhykheswllhr
tlktnfdylqevpiltldvnedfkdkyeslvekvkeflstl