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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 Stability

pH Stability on EC 4.2.2.10 - pectin lyase

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pH STABILITY
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
1.5
-
30°C, 24 h, 46% loss of activity
34013
10.5
-
4°C, 313 h, 7% loss of activity
34019
3 - 11
-
-
729668
3 - 6
-
1 h, 37°C, more than 70% residual activity
748517
3.9
-
minimum deactivation rate constant at pH 3.9 and 29°C, deactivation process is modelled as first-order kinetics
654468
4 - 10
-
the enzyme is stable for 24 h in the pH range 4.0-10.0
701027
4 - 5
-
30°C, stable
34011
4 - 7
-
4°C or 30°C, stable
34013
4 - 8.5
-
30 min, 40°C, stable
114105
5 - 6
-
highest stability, 20% loss of activity after 3 h at 40°C. 40% loss of activity after 3 h at 50°C
678507
5 - 7
-
stable for 24 h
747235
5 - 8.8
-
2 h, stable
34004
5.2 - 8.1
-
stable
34017
5.5 - 6
-
good stability at pH 5.5-6.0
701703
6 - 10
6 - 9
-
enzyme is optimally stable at pH 7.5-8.5, 50% activity at neutral pH, complete loss of activity occurs below pH 6.0 and above pH 9.0
657403
7 - 8.5
Erwinia aroidea
-
30°C, 36 h, no appreciable loss of activity
34012
7.5 - 9.5
-
good stability
680118
8 - 11
AY825251
-
728987
9
-
4°C, 24 h, complete loss of activity
34008