>3ltyB (B:) observed residues (from ATOM records)
dvmnrlilamdlmnrddalrvtgevreyidtvkigyplvlsegmdiiaefrkrfgcriia
dfkvadipetnekicratfkagadaiivhgfpgadsvraclnvaeemgrevflltemshp
gaemfiqgaadeiarmgvdlgvknyvgpstrperlsrlreiigqdsflispgagaqggdp
getlrfadaiivgrsiyladnpaaaaagaiesi