>4zzxA (A:) observed residues (from ATOM records)
esqldlrvqeliklicnvqameemmmemkyntkkaplgkltvaqikagyqslkkiedcir
agqhgralmeacnefytriphdfglrtpplirtqkelsekiqllealgdieiaiklvkte
lqspehpldqhyrnlhcalrpldhesyefkvisqylqsthapthsdytmtlldlfevekd
gekeafredlhnrmllwhgsrmsnwvgilshglriappeapitgymfgkgiyfadmssks
anycfasrlkntgllllsevalgqcnelleanpkaegllqgkhstkglgkmapssahfvt
lngstvplgpasdtgilngytlnyneyivynpnqvrmryllkvqfnflqlw