>1kz6A (A:) observed residues (from ATOM records)
dlkgpelrilivharwnlqaieplvkgavetmiekhdvklenidiesvpgsyelpqgira
siarntydavigigvlikgstmhfeyiseavvhglmrvgldsgvpvifglltvlneeqal
yraglngghnhgndwgsaavemglkal