>3r7kD (D:) observed residues (from ATOM records)
awttperralsqmarsfvereiapklaewehvgeiprdlhlnaaevgllgigfpeevggs
ggnaidsalvteailaaggstgvcaalfthgialphiaangsdalieryvrptlagkmig
slgvtepgagsdvanlrtravregdtyvvngaktfitsgvradfvttavrtggpgyggvs
llvidknspgfevsrrldkmgwrcsdtaelsfvdvrvpadnlvgaensgflqimqqfqae
rlgiavqayatagraldlakswareretfgrpltgrqiirhklaemarqvdvactytrav
mqrwlagedvvaevsmakntavyacdyvvneavqifggmgymreseierhyrdcrilgig
ggtneimneviakrig