>1y3aC (C:) observed residues (from ATOM records)
vkllllgagesgkstivkqmkiiheagyseeeckqykavvysntiqsiiaiiramgrlki
dfgdsaraddarqlfvlamtaelagvikrlwkdsgvqacfnrsreyqlndsaayylndld
riaqpnyiptqqdvlrtrvkttgivethftfkdlhfkmfdvggqrserkkwihcfegvta
iifcvalsdydlvmnrmhesmklfdsicnnkwftdtsiilflnkkdlfeekikkspltic
ypeyagsntyeeaaayiqcqfedlnkrkdtkeiythftcatdtknvqfvfdavtdvii