Crystal structure of SET3, a superantigen-like protein from Staphylococcus aureus

The three-dimensional structure of a superantigen-like protein, SET3, from a pathogenicity island of the Staphylococcus aureus genome

SEHKAKYENVTKDIFDLRDYYSGASKELKNVTGYRYSKGGKHYLIFDKHQKFTRIQIFGKDIERLKTRKNPGLDIFVVKE
AENRNGTVFSYGGVTKKNQGAYYDYLNAPKFVIKKEVDAGVYTHVKRHYIYKEEVSLKELDFKLRQYLIQNFDLYKKFPK
DSKIKVIMKDGGYYTFELNKKLQPHRMSDVIDGRNIEKMEANIR

HEPES, ammonium sulphate, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 291K

SEQUENCE
The conflicts between the sequence for this structure
and the database sequence arise from the allelic
variation between Staphylococcus aureus strains seen
for some of these superantigen-like proteins.

OB-fold, Beta-grasp, superantigen fold, IMMUNE SYSTEM

SEHESKYENVTKDIFDLRDYYSRASKELKNVTGYRYSKGGKHYLIFDKNRKFTRIQIFGKDIERIKKRKNPGLDIFVVKE
AENRNGTVYSYGGVTKKNQGAYYDYLSAPRFVIKKEVGAGVSVHVKRYYIYKEEISLKELDFKLRQYLIQDFDLYKKFPK
ASKIKVTMKDGGYYTFELNKKLQTNRMSDVIDGRNIEKIEANIR