>2d1yA (A:) observed residues (from ATOM records)
glfagkgvlvtggargigraiaqafaregalvalcdlrpegkevaeaiggaffqvdlede
rervrfveeaayalgrvdvlvnnaaiaapgsaltvrlpewrrvlevnltapmhlsalaar
emrkvgggaivnvasvqglfaeqenaaynaskgglvnltrslaldlaplrirvnavapga
iateavleaiarrdwedlhalrrlgkpeevaeavlflasekasfitgailpvdggmtasf