Partially esterified oligogalacturonides are the preferred substrates for pectin methylesterase of Aspergillus niger.

@article{Alebeek2003PartiallyEO,
  title={Partially esterified oligogalacturonides are the preferred substrates for pectin methylesterase of Aspergillus niger.},
  author={Gert-Jan W M van Alebeek and Katrien van Scherpenzeel and Gerrit Beldman and H A Schols and Alphons G. J. Voragen},
  journal={The Biochemical journal},
  year={2003},
  volume={372 Pt 1},
  pages={
          211-8
        }
}
Investigations on the mode of action of Aspergillus niger pectin methylesterase (PME) towards differently C(6)- and C(1)-substituted oligogalacturonides (oligoGal p A) are described. De-esterification of methyl-esterified (un)saturated oligoGal p A proceeds via a specific pattern, depending on the degree of polymerization. Initially, a first methyl ester of the oligomer is hydrolysed, resulting in one free carboxyl group. Subsequently, this first product is preferred as a substrate and is de… CONTINUE READING
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