2.5.1.95: xanthan ketal pyruvate transferase
This is an abbreviated version!
For detailed information about xanthan ketal pyruvate transferase, go to the full flat file.
Reaction
Synonyms
GumL, KPT
ECTree
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General Information
General Information on EC 2.5.1.95 - xanthan ketal pyruvate transferase
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malfunction
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the mutant strain is unable to synthesize the pyruvylated intermediate in vitro. Enzyme activity is not essential for polysaccharide production since inactivation of gumL does not affect polymerization. gumL mutants are not affected in growth and produce normal nonpyruvylated polymer levels
physiological function
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the enzyme is involved in the biosynthesis of the polysaccharide xanthan. 30-40% of xanthan terminal mannose residues of xanthan have a 4,6-O-(1-carboxyethan-1,1-diyl) ketal group
physiological function
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the enzyme is essential for successful colonization and pathogenesis in planta