>3nszA (A:) observed residues (from ATOM records)
sgpvpsrarvytdvnthrpreywdyeshvvewgnqddyqlvrklgrgkysevfeainitn
nekvvvkilkpvkkkkikreikilenlrggpniitladivkdpvsrtpalvfehvnntdf
kqlyqtltdydirfymyeilkaldychsmgimhrdvkphnvmidhehrklrlidwglaef
yhpgqeynvrvasryfkgpellvdyqmydysldmwslgcmlasmifrkepffhghdnydq
lvriakvlgtedlydyidkynieldprfndilgrhsrkrwerfvhsenqhlvspealdfl
dkllrydhqsrltareamehpyfytvv