>1sg3B (B:) observed residues (from ATOM records)
mkffsladeaefksiiisknkavdvigsklggqvvsfsdewfasaenliqptapirdwyd
gwetrrhnemeydwviikmgvaaahiiggeidtaffngnhapfvsiealydegeegnive
ddsrwveivekfecgpsqrhlfvrgngltkerfthiklkmypdggiarfrlygrvvppii
dlayvcngavalkysdqhfgsvdnlllpgrghdmsdgwetkrsrqpghtdwaviqlgres
sfiekiivdtahfrgnfpqfitvegclktwvelvgksktgpdkehvyeirksirvshvkl
tiipdggvkrirvwgyh