>3ltsB (B:) observed residues (from ATOM records)
mdvmnrlilamdlmnrddalrvtgevreyidtvkigyplvlsegmdiiaefrkrfgcrii
adfkvadipetnekicratfkagadaiivhgfpgadsvraclnvaeemgrevflltemsh
pgaemfiqgaadeiarmgvdlgvknyvgpstrperlsrlreiigqdsflispgagaqggd
pgetlrfadaaivgrsiyladnpaaaaagiies