>6y2wA (A:) observed residues (from ATOM records)
tksvlfvclgnkcrspiaeavfrklvtdqnisenwvidsgavsdwnvgrspdpravsclr
nhgihtahkarqitkedfatfdyilcmdesnlrdlnrksnqvktckakiellgsydpqkq
liiedpyygndsdfetvyqqcvrccraflekah