>2a2zA (A:) observed residues (from ATOM records)
rikkisiegniaagkstfvnilkqlcedwevvpepvarwcnvqstnvlqmmyekperwsf
tfqtyaclsriraqlaslngkekpvlffersvysdryifasnlyesecmnetewtiyqdw
hdwmnnqfgqsleldgiiylqatpetclhriylrgrneeqgipleyleklhykheswllh
rtlktnfdylqevpiltldvnedfkdkyeslvekvkeflstl