>3nq6B (B:) observed residues (from ATOM records)
mdvmnrlilamdlmnrddalrvtgevreyidtvkigyplvlsegmdiiaefrkrfgcrii
adfkvadipetnekicratfkagadaiivhgfpgadsvraclnvaeemgrevflltemsh
pgaemfiqgaadeiarmgvdlgvknyvgpstrperlsrlreiigqdsflisagvgaqggd
pgetlrfadaiivgrsiyladnpaaaaagiiesikdll