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. 1997 Nov 25;94(24):12857–12862. doi: 10.1073/pnas.94.24.12857

Figure 2.

Figure 2

Alignment of DXP synthase sequence from E. coli, CLA1 protein of A. thaliana, and transketolase A of E. coli. ECODXS, E. coli DXP synthase (ref. 18, this paper); CLA1AT, A. thaliana CLA1 protein, underlined is the N-terminal putative chloroplast transit peptide (26); ECOTKT1, transketolase A of E. coli (23). The shaded sequences denote the putative ThDP-binding site. The boldface characters denote amino acid residues that are highly conserved in all putative DXP synthase sequences, and asterisks below the sequence denote residues that are also identical in transketolase A from E. coli. # denotes amino acid residues that form the substrate channel of transketolase (27).