>5w1wO (O:) observed residues (from ATOM records)
gvtqtpkhlitatgqrvtlrcsprsgdlsvywyqqsldqglqfliqyyngeerakgnile
rfsaqqfpdlhselnlsslelgdsalyfcassanpgdssneklffgsgtqlsvledlnkv
fppevavfepseaeishtqkatlvclatgfypdhvelswwvngkevhsgvctdpqplkeq
palndsryalssrlrvsatfwqnprnhfrcqvqfyglsendewtqdrakpvtqivsaeaw
gra