>1kz1B (B:) observed residues (from ATOM records)
sdlkgpelrilivhargnlqaieplvkgavetmiekhdvklenidiesvpgswelpqgir
asiarntydavigigvlikgstmhfeyiseavvhglmrvgldsgvpvilglltvlneeqa
lyraglngghnhgndwgsaavemglkal