>4z7uF (F:) observed residues (from ATOM records)
dsgvtqtpkhlitatgqrvtlrcsprsgdlsvywyqqsldqglqfliqyyngeerakgni
lerfsaqqfpdlhselnlsslelgdsalyfcassttpgtgtetqyfgpgtrllvledlkn
vfppevavfepseaeishtqkatlvclatgfypdhvelswwvngkevhsgvctdpqplke
qpalndsryalssrlrvsatfwqnprnhfrcqvqfyglsendewtqdrakpvtqivsaea
wgra