>2xisA (A:) observed residues (from ATOM records)
yqptpedrftfglwtvgwqgrdpfgdatrraldpvesvrrlaelgahgvtfhdddlipfg
ssdsereehvkrfrqalddtgmkvpmattnlfthpvfkdggftandrdvrryalrktirn
idlavelgaetyvawggregaesggakdvrdaldrmkeafdllgeyvtsqgydirfaiep
kpneprgdillptvghalafierlerpelygvnpevgheqmaglnfphgiaqalwagklf
hidlngqngikydqdlrfgagdlraafwlvdllesagysgprhfdfkpprtedfdgvwas
aagcmrnylilkeraaafradpevqealrasrldelarptaadglqallddrsafeefdv
daaaargmaferldqlamdhllgarg