2zvr | pdb_00002zvr

Crystal structure of a D-tagatose 3-epimerase-related protein from Thermotoga maritima

spinqualitylabelsall models 2zvr, resolution 2.20Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 2zvr is a 2 chain structure with sequence from Thermotoga maritima. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: X-ray diffraction, Resolution 2.2Å Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function IOLO_THEMA Catalyzes the reversible epimerization between 5-keto-L-gluconate (5-dehydro-L-gluconate) and D-tagaturonate, and thus probably functions in a myo-inositol degradation pathway together with IolG, IolM and IolN (PubMed:23441918). Is not active on the enantiomer 5-keto-D-gluconate (PubMed:23441918). Was also shown to be a nonphosphorylated sugar isomerase with broad substrate specificity in vitro (PubMed:28258150). Is able to catalyze the reversible C3-epimerization of L-ribulose to L-xylulose, D-ribulose to D-xylulose, D-psicose to D-fructose, and D-tagatose to D-sorbose, with a substrate preference for ketopentoses rather than ketohexoses (PubMed:28258150). Also catalyzes the aldose-ketose isomerization reaction from either D-erythrose or D-threose to D-erythrulose (PubMed:28258150). Exhibits no activity for C4-epimerization of D-tagatose to D-fructose (PubMed:28258150). Evolutionary Conservation Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf.

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