>1kyvB (B:) observed residues (from ATOM records) dlkgpelrilivharwnlqaieplvkgavetmiekhdvklenidiesvpgswelpqgira siarntydavigigvlikgstmhfeyiseavvhglmrvgldsgvpvilglltvlneeqal yraglngghnhgndwgsaavemglkal