>1iw1A (A:) observed residues (from ATOM records)
ttataglavelkqstaqahekaehstfmsdllkgrlgvaeftrlqeqawlfytaleqavd
avrasgfaeslldpalnraevlardldklngssewrsritaspavidyvnrleeirdnvd
gpalvahhyvrylgdlsggqviarmmqrhygvdpealgfyhfegiaklkvykdeyrekln
nlelsdeqrehllkeatdafvfnhqvfadlgk