>1sg3A (A:) observed residues (from ATOM records)
mkffsladeaefksiiisknkavdvigsklggqvvsfsdewfasaenliqptapirdwyd
gwetrrhnemeydwviikmgvaaahiiggeidtaffngnhapfvsiealydegeegnive
ddsrwveivekfecgpsqrhlfvrgngltkerfthiklkmypdggiarfrlygrvvppii
dlayvcngavalkysdqhfgsvdnlllpgrghdmsdgwetkrsrqpghtdwaviqlgres
sfiekiivdtahfrgnfpqfitvegclkgtwvelvgksktgpdkehvyeirksirvshvk
ltiipdggvkrirvwgy