>3nqfB (B:) observed residues (from ATOM records)
mdvmnrlilamdlmnrddalrvtgevreyidtvkigyplvlsegmdiiaefrkrfgcrii
adfkvadipetnekicratfkagadaiivhgfpgadsvraclnvaeemgrevflstemsh
pgaemfiqgaadeiarmgvdlgvknyvgpstrperlsrlreiigqdsflispgvgaqggd
pgetlrfadaiivgrsiyladnpaaaaagiiesikdll