>2yy1A (A:) observed residues (from ATOM records)
qapylspavpfsgtiqgglqdglqitvngtvlsssgtrfavnfqtgfsgndiafhfnprf
edggyvvcntrqngswgpeerkthmpfqkgmpfdlcflvqssdfkvmvngilfvqyfhrv
pfhrvdtisvngsvqlsyisf