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YihQ is a Sulfoquinovosidase That Cleaves Sulfoquinovosyl Diacylglyceride Sulfolipids

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Journal Nat Chem Biol
Date 2016 Feb 16
PMID 26878550
Citations 28
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Abstract

Sulfoquinovose is produced by photosynthetic organisms at a rate of 10(10) tons per annum and is degraded by bacteria as a source of carbon and sulfur. We have identified Escherichia coli YihQ as the first dedicated sulfoquinovosidase and the gateway enzyme to sulfoglycolytic pathways. Structural and mutagenesis studies unveiled the sequence signatures for binding the distinguishing sulfonate residue and revealed that sulfoquinovoside degradation is widespread across the tree of life.

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