>1kz6C (C:) observed residues (from ATOM records)
sdlkgpelrilivharwnlqaieplvkgavetmiekhdvklenidiesvpgsyelpqgir
asiarntydavigigvlikgstmhfeyiseavvhglmrvgldsgvpvifglltvlneeqa
lyraglngghnhgndwgsaavemglkaly