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Figure 6.
Figure 6. Comparison of DegS and HtrA2 (Omi)The stereo
picture shows an alignment of active DegS (green), inactive DegS
(red), and HtrA2 (yellow). The chosen segment comprises DegS
residues 195–204 (HtrA2 167–176), which include the active
site serine and loop L1 that forms the oxyanion hole. Key
residues are indicated as well as the 198 peptide that is
important for DegS activation. Notably, the L1 backbone of HtrA2
has a similar turn structure as the inactive DegS.
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