>3kczB (B:) observed residues (from ATOM records)
tenlyfqsmdlrvqeliklicnvqameemmmemkyntkkaplgkltvaqikagyqslkki
edciragqhgralmeacnefytriphdfglrtpplirtqkelsekiqllealgdieiaik
lvktelqspehpldqhyrnlhcalrpldhesyefkvisqylqsthapthsdytmtlldlf
evekdgekeafredlhnrmllwhgsrmsnwvgilshglriahpeapitgymfgkgiyfad
mssksanycfasrlkntgllllsevalgqcnelleanpkaegllqgkhstkglgkmapss
ahfvtlngstvplgpasdtgytlnyneyivynpnqvrmryllkvqfnf