Figure 2 | Scientific Reports

Figure 2

From: Structure-guided design of Serratia marcescens short-chain dehydrogenase/reductase for stereoselective synthesis of (R)-phenylephrine

Figure 2The alternative text for this image may have been generated using AI.

Structure-based alignment of the homologous structures of SDRs. Secondary structural elements are presented above the sequence. The β-strands (β1–7) and α-helices (α1–8) are numbered from the N terminus. TT, β-turns; η (η1, η2), 310 helix. The conserved catalytic tetrad residues are indicated as green circles. (B) Close-up view of the superimposed conserved catalytic tetrad. The tetrad residues in SmSDR are drawn as thick stick model.

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