>1cxvB (B:) observed residues (from ATOM records)
ynvfprtlkwsqtnltyrivnytpdmshsevekafrkafkvwsdvtplnftriydgtadi
misfgtkehgdfypfdgpsgllahafppgpnyggdahfdddetwtssskgynlfivaahe
lghslgldhskdpgalmfpiytytfmlpdddvqgiqflyg