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Literature summary for 3.2.1.131 extracted from

  • Aalbers, F.; Turkenburg, J.P.; Davies, G.J.; Dijkhuizen, L.; Lammerts van Bueren, A.
    Structural and functional characterization of a novel family GH115 4-O-methyl-alpha-glucuronidase with specificity for decorated Arabinogalactans (2015), J. Mol. Biol., 427, 3935-3946 .
    View publication on PubMed

Organism

Organism UniProt Comment Textmining
Bacteroides thetaiotaomicron Q8A3J6
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Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
additional information the enzyme hydrolyzes terminal 4-O-methyl-glucuronic acid residues from decorated arabinogalactan isolated from acacia tree Bacteroides thetaiotaomicron ?
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Synonyms

Synonyms Comment Organism
BtGH115A
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Bacteroides thetaiotaomicron
GH115 4-O-methyl-alpha-glucuronidase
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Bacteroides thetaiotaomicron

General Information

General Information Comment Organism
physiological function BtGH115A alpha-glucuronidase activity is necessary for the sequential digestion of branched galactans from acacia gum by a galactan-beta-1,3-galactosidase from family GH43. While Bacteroides thetaiotaomicron grows on larch wood arabinogalactan, the bacterium is not able to metabolize acacia gum arabinogalactan, suggesting that BtGH115A is involved in degradation of arabinogalactan fragments liberated by other microbial species in the gastrointestinal tract Bacteroides thetaiotaomicron