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. 1999 Jan 4;189(1):89–102. doi: 10.1084/jem.189.1.89

Figure 2.

Figure 2

SAg family tree. The family tree was created using the PileUp program on the GCG package and is based on primary amino acid sequence homology. The SAg family can be divided into three groups (or subfamilies) and two individual branches (SPE-H and TSST). SMEZ, SMEZ-2, SPE-G, and SPE-J build a subfamily together with SPE-C. The complete DNA sequence of the spe-j gene is not yet available, so only the 135 COOH-terminal amino acid residues of SPE-J could be used for the alignment.

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