>3slsA (A:) observed residues (from ATOM records)
mtlqqrkrleafltqkqkvgelkdddfekiselgagnggvvfkvshkpsglvmarklihl
eikpairnqiirelqvlhecnspyivgfygafysdgeisicmehmdggsldqvlkkagri
peqilgkvsiavikgltylrekhkimhrdvkpsnilvnsrgeiklcdfgvsgqlifvgtr
symsperlqgthysvqsdiwsmglslvemavgrypigaifelldyivnepppklpsgvfs
lefqdfvnkcliknpaeradlkqlmvhafikrsdaeevdfagwlcstiglnq