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4.2.2.10: pectin lyase

This is an abbreviated version!
For detailed information about pectin lyase, go to the full flat file.

Word Map on EC 4.2.2.10

Reaction

[6-O-methyl-alpha-D-GalpA]n
=
[6-O-methyl-alpha-D-GalpA]m
 +
4-deoxy-6-O-methyl-alpha-D-galact-4-enuronosy-[6-O-methyl-alpha-D-GalpA]n-m-1

Synonyms

commercial pectic enzyme, CPE, enda-PL, endo PNL, endo-pectin lyase, family 1 pectin lyase A, Forylase PA, lyase, pectin, Macerin G 10X, pectin lyase, pectin lyase 1, pectin lyase A, pectin methyltranseliminase, pectin transeliminase, pectinase, pectinliase, pectinlyase, pectolyase Y23, Pel1, PGL, phytolyase, PL, PL1A, Pla, PLB, PLD, plg1, plg2, PLI, PLII, PNL, pnl-zj5a, Pnl1, Pnl2, PnlH, poly(methoxygalacturonide) lyase, polymethylgalacturonic transeliminase, Rohapect PTE, Ultrazym-100, Ultrazym-20, Ultrazym-40

ECTree

     4 Lyases
         4.2 Carbon-oxygen lyases
             4.2.2 Acting on polysaccharides
                4.2.2.10 pectin lyase

pH Optimum

pH Optimum on EC 4.2.2.10 - pectin lyase

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pH OPTIMUM
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
4.5
-
partially purified enzyme from agro-industrial residues
4.6
-
assay at
5.2
-
soluble enzyme
5.5 - 6.5
-
-
5.6
-
soluble enzyme form
6.2
-
and a second optimum at pH 6.9, immobilized enzyme
6.9
-
and a second optimum at pH 6.2, immobilized enzyme
8 - 8.2
Erwinia aroidea
-
-
8.8
-
enzyme form PL I, sodium polypectate medium
9.3
-
enzyme form PL I, cell wall medium
9.8
-
enzyme form PL II, sodium polypectate medium or cell wall medium
additional information
-
a bell shaped pH profile at low substrate concentrations, shifts of the pH optimum to more basic values upon increasing substrate concentrations accompanied by deviation of the profile from a bell shaped curve