>4y4kD (D:) observed residues (from ATOM records)
aavtqsprnkvavtggkvtlscnqtnnhnnmywyrqdtghglrlihysygagstekgdip
dgykasrpsqenfslilelatpsqtsvyfcasgdegytqyfgpgtrllvledlrnvtppk
vslfepskaeishtqkatlvclatgfypdhvelswwvngkevhsgvctdpqplkeqpaln
dsryslssrlrvsatfwqnprnhfrcqvqfyglsendewtqdrakpvtqivsaeawgra