>1kz9B (B:) observed residues (from ATOM records)
dlkgpelrilivharwnlqaieplvkgavetmiekhdvklenidiesvpgswelpqgira
siarntydavigigvlikgstmhfeyiseavvhglmrvgldsgvpvifglltvlneeqal
yraglngghnhgndwgsaavemglkal