>4we7A (A:) observed residues (from ATOM records)
gselvqssstgeicnsphqildgenctlidallgdpqcdgfqnkkwdlfverskahsncy
pydvpdyaslrslvassgtlefnnesfnwtgvtqngtssacirrsnnsffsrlnwlthln
fkypalnvtmpnneqfdklyiwgvhhpgtdkdqiflyaqaagritvstkrsqqavipnvg
srprvrnipsrvsiywtivkpgdillinstgnliaprgyfkirsgkssimrsdapigkcn
sacitpngsipndkpfqnvnritygacprysk