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Figure 5 | Genome Biology

Figure 5

From: Significance of two distinct types of tryptophan synthase beta chain in Bacteria, Archaea and higher plants

Figure 5

Alignment of TrpEb_1 from S. typhimurium (Sty) and of TrpEb_2 from P. furiosus (Pfu-2). The sequences are shown as they appear in a comprehensive alignment, including gaps. Invariant residues in each subfamily are highlighted and near-invariant residues (delineated in Table 2) are shaded. Invariant or near-invariant residues common to both subfamilies are boxed. Residues shown in Sty to be relevant to metal coordination or to the binding of indole, serine or PLP are color-coded as indicated at the bottom.

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