3.2.1.15: endo-polygalacturonase This is an abbreviated version! For detailed information about endo-polygalacturonase, go to the full flat file .
Reaction
(1,4-alpha-D-galacturonosyl)n+m +
H2O =
(1,4-alpha-D-galacturonosyl)n +
(1,4-alpha-D-galacturonosyl)m
Synonyms ADPG1, ADPG2, Aj-PGase, alkaline endo-PG, ARABIDOPSIS DEHISCENCE ZONE POLYGALACTURONASE1, At1g48100, BcPeh28A, BPN3, CluPG1, D-galacturonase, endo PG, endo-D-galacturonanase, endo-D-galacturonase, endo-PG, endo-PG I, endo-pgaA, endo-polygalacturonase, endo-polygalacturonase A, endo-polygalacturonase C, endo-polygalacturonase I, endo-polygalacturonase II, endo-polygalacturonase-3, endo-TePG28b, endogalacturonase, endopectinase, endoPG, EndoPG I, endoPG II, endopolygalacturonase, endopolygalacturonase I, endopolygalacturonases, endopolygalacturonate lyase, EnPG28A, EPG, Epg1-2p, EPG4, Exo-PG, exo-polygalacturonase, FgPG, FpPG, liquifying polygalacturonase, LLP-A1.1 protein, LLP-PG, Magnaporthe oryzae density dependent germination regulator, male fertility 9, MDG1, MF9, More, MpPG2, non-acidic polygalacturonase, OGH, oligogalacturonate hydrolase, P1/P3, P2C, pectate hydrolase, pectic depolymerase, pectic hydrolase, pectin depolymerase, pectin hydrolase, pectin polygalacturonase, pectinase, pectinase SS, pectolase, pectozyme, Peh28A, PehA, PehB, PG, PG II, PG-2A, PG-3, PG1, PG2, PG28A, PG3, PG4, PG5, PG6, PG63, PG8fn, PGA, PGase, PGase SM, PGC, PGI, PGII, PGIP, PGL, Pgu1, phylendonase, poly [1, 4-alpha-D-galacturonide] glycano-hydrolase, poly-alpha-1,4-galacturonide glycanohydrolase, poly-[1,4-alpha-D-galacturonide] glycanohydrolase, polygalacturonase 1, polygalacturonase I, polygalacturonase II, polygalacturonase inhibiting protein 1, polygalacturonase p36, polygalacturonase p40, polygalacturonase-3, polygalacturonase-inhibitor-like, QRT2, QUARTET2, remanase, RPG1, ScPgu1, SpPgu1
ECTree
KM Value
KM Value on EC 3.2.1.15 - endo-polygalacturonase
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0.000071 - 12.5
alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonate
0.000064 - 8.4
alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonate
0.000052 - 4.8
alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonate
0.000023 - 0.7
alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonate
0.000016
alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonate
-
-
0.0099
hexagalacturonate
at pH 4.0 and 30°C
0.0365
pentagalacturonate
at pH 4.0 and 30°C
0.33
poly-D-galacturonic acid
-
pH 5.0, 40°C
0.04 - 0.34
polygalacturonic acid
0.0681
tetragalacturonate
at pH 4.0 and 30°C
0.149
trigalacturonate
at pH 4.0 and 30°C
additional information
additional information
-
0.000071
alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonate
-
-
3.67
alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonate
-
-
3.98
alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonate
-
-
4.26
alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonate
Dipodascus klebahnii
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-
12.5
alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonate
-
-
0.000064
alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonate
-
-
1.82
alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonate
-
-
2.2
alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonate
Dipodascus klebahnii
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-
2.77
alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonate
-
-
3.31
alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonate
-
-
8.4
alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonate
Acrocylindrium sp.
-
-
0.000052
alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonate
-
-
0.71
alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonate
-
-
0.87
alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonate
Dipodascus klebahnii
-
-
0.89
alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonate
-
-
1.85
alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonate
-
-
4.8
alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonate
Acrocylindrium sp.
-
-
0.000023
alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonate
-
-
0.7
alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonosyl-(1,4)-O-alpha-D-galacturonate
-
-
0.014
pectate
-
-
0.155
Pectin
-
pH 4.5, 50°C
4.52
Pectin
-
pH 5.0, 55°C
48.8
Pectin
-
apple pectin, 75% degree of esterification
0.04
polygalacturonic acid
Dipodascus klebahnii
-
-
0.05
polygalacturonic acid
-
-
0.17
polygalacturonic acid
-
-
0.2
polygalacturonic acid
-
in terms of polymer concentration
0.34
polygalacturonic acid
-
-
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-
-
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-
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-
-
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Saccharomyces fragilis
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-
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-
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-
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-
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-
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-
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-
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Saccharomyces fragilis
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slight increase of Km-value by immobilization
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Km-value for polygalacturonate is 4 mg/ml
-
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Km value for polygalacturonate is 1.03 g/l with polygalacturonase I. Km value for polygalacturonate is 1.03 g/L with polygalacturonase II
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KM-value for polygalacturonate is 0.12 mg/ml, at pH 4.8, 45°C
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KM-value for polygalacturonate is 0.15%
-
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the KM-value for homogalacturonan is 0.16 mg/ml
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KM-value for pectin is 0.123 mg/ml, at pH 4.0 and 37°C
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Km-value for polygalacturonate is 0.166 mg/ml
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the KM-value for pectin is 0.416 mg/ml
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the KM-value for polygalacturonate is 0.7 mg/ml at 40°C, polygalacturonase p40
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the KM-value for polygalacturonate is 1.4 mg/ml at 40°C, polygalacturonase p36
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the KM-value for polygalacturonate is 3.6 mg/ml at 0.1 MPa and 40°C
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0.083 mg/ml with polygalacturonic acid at pH 4.8, 45°C
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1.04 mg/ml for the recombinant wild-type full-length enzyme with pectin at pH 5.0, 50°C, 1.79 mg/ml for recombinant wild-type full-length enzyme with polygalacturonic acid at pH 5.0, 50°C, and 1.26 mg/ml for recombinant catalytic polygalacturonase domain with polygalacturonic acid at pH 5.0, 50°C
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1.58 mg/ml with polygalacturonan at pH 5.5, 60°C
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