>1z7aD (D:) observed residues (from ATOM records)
yprdligygnnpphphwpgdarialsfvlnyeeggercvlhgdkeseaflsemvaaqplq
gvrhmsmeslyeygsragvwrllklfkrrnvpltvfavamaaqrnpeviramvadgheic
shgyrwidyqymdeaqerehmleairilteltgqrpvgwytgrtgpntrrlvmeeggfly
dsdtydddlpywdpastaekphlvipytldtndmrftqvqgfnngeqffqylkdafdvly
eegatapkmlsiglhcrligrparmaalerfiqyaqshdkvwfarrediarhwhrehpfq