>4q2fA (A:) observed residues (from ATOM records)
cglvasnlnlkpgeclrvrgevapdaksfvlnlgkdsnnlclhfnprfnahgdantivcn
skdggawgteqreavfpfqpgsvaevcitfdqanltvklpdgyefkfpnrlnleainyma
adgdfkikcvafd