>3cwhA (A:) observed residues (from ATOM records)
nyqptpedrftfglwtvgwqgrdpfgdatrraldpvesvrrlaelgahgvtfhdddlipf
gssdsereehvkrfrqalddtgmkvpmattnlfthpvfkdggftandrdvrryalrktir
nidlavelgaetyvawggregaesggakdvrdaldrmkeafdllgeyvtsqgydirfaie
pkpneprgdillptvghalafierlerpelygvnpevgheqmaglnfphgiaqalwagkl
fhidlngqngikydqdlrfgagdlraafwlvdllesagysgprhfdfkpprtedfdgvwa
saagcmrnylilkeraaafradpevqealrasrldelarptaadglqallddrsafeefd
vdaaaargmaferldqlamdhllgarg