Sequence alignment between 1sso(A) and UniProt seq P61991 (DN7A_SULSO):

P61991 (DN7A_SULSO): DNA-binding protein 7a from Saccharolobus solfataricus (strain ATCC 35092 / DSM 1617 / JCM 11322 / P2) 
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         ---------+---------+---------+---------+---------+---------+----
UniProt: MATVKFKYKGEEKQVDISKIKKVWRVGKMISFTYDEGGGKTGRGAVSEKDAPKELLQMLEKQKK
PDB seq: -ATVKFKYKGEEKQVDISKIKKVWRVGKMISFTYDEGGGKTGRGAVSEKDAPKELLQMLEKQK-
          ---------+---------+---------+---------+---------+---------+-- 
                  10        20        30        40        50        60