8ah9

De novo retro-aldolase RAbetaB-16.1

spinqualitylabelsall models 8ah9, resolution 1.75Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 8ah9 is a 1 chain structure with sequence from Synthetic construct. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: X-ray diffraction, Resolution 1.747Å Ligands: BEZ Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Publication Abstract from PubMed While native scaffolds offer a large diversity of shapes and topologies for enzyme engineering, their often unpredictable behavior in response to sequence modification makes de novo generated scaffolds an exciting alternative. Here we explore the customization of the backbone and sequence of a de novo designed eight stranded beta-barrel protein to create catalysts for a retro-aldolase model reaction. We show that active and specific catalysts can be designed in this fold and use directed evolution to further optimize activity and stereoselectivity. Our results support previous suggestions that different folds have different inherent amenability to evolution and this property could account, in part, for the distribution of natural enzymes among different folds. Design and optimization of enzymatic activity in a de novo beta-barrel scaffold.,Kipnis Y, Chaib AO, Vorobieva AA, Cai G, Reggiano G, Basanta B, Kumar E, Mittl PRE, Hilvert D, Baker D Protein Sci. 2022 Nov;31(11):e4405. doi: 10.1002/pro.4405. PMID:36305767 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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