>2po2B (B:) observed residues (from ATOM records)
agimrdhiinllkegkriddrgfedyrpieievgviekaegsalvklgstqvlvgiktsl
gepfpdtpnmgvmttnvelvplasptfepgppderaielarvidrgireskalnlekmvi
vpgkivrvvfidvhvldhdgnlmdaigiaaiaallnarvpkvryneetgevetldetepl
pvekipvpvtfakignilvvdpsldeelvmdgkitittdetghisavqkseggafkleev
myavetafkkaeeirklileavekakq