>1si1A (A:) observed residues (from ATOM records)
anevnvysyrqpyliepmlknfekdtgikvniifadkglvdrvkqegelspadvlltvdi
srvmeivnadlaqkidskvleknipaqfrdsndqwfglttrarviytskdrvgklpagfd
yldlakpeykgkvcvrsgknsynvslfaamiehygiektkafleglkanlarkpqggdrd
qvkaikegicdysignsyyygkmlddekqkswaeaaiinfpsgehgthknisgvviakhs
pnkanavklieylsgekaqglyaelnheypvkegiepsaivkgwgtfksdtiklediakn
yeaalklvdevkfddf