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3.1.1.11: pectinesterase

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

Word Map on EC 3.1.1.11

Reaction

Pectin
+ n H2O = n methanol +
pectate

Synonyms

Ani-PME2, At1g23200, AtPME1, AtPME3, BcPME1, cell wall pectin methylesterase, CsPME, Cthe_2949, CtPME, HMS, hms-1, luPME, MICRO 2676, MICRO 2764, More, Nicotiana tabacum pollen tube PME1, Novoshape, NtPPME1, Ole e 11, Ole e 11.0101, Ole e 11.0102, P65, PE, PE2, pectase, pectin demethoxylase, pectin esterase, pectin methoxylase, pectin methyl esterase, pectin methyl-esterase, pectin methylesterase, pectin methylesterase 3, pectin methylesterase31, pectin methyltesterase, pectine methylesterase, pectinesterase, pectinesterase 31, pectinmethylesterase, pectinoesterase, pectofoetidin, PemB, PEST 1, PEST 2, PME, PME I, PME II, PME III, pme-zj5a, PME1, PME2, PME3, PME31, PME34, PME35, PME4, PME5, PME6, PME7, PME8, PME9, pmeA, pmeB, PMEP, PMEU1, PMT, pollen specific PME, psectin methylesterase, RIP, S6PE, Sal k 1, salt-dependent pectin methylesterase, Sl-PME, thermally tolerant pectin methylesterase, thermolabile pectin methylesterase, TL-PME, TT-PME, type I PME, Xoo, XOO2696

ECTree

     3 Hydrolases
         3.1 Acting on ester bonds
             3.1.1 Carboxylic-ester hydrolases
                3.1.1.11 pectinesterase

Temperature Range

Temperature Range on EC 3.1.1.11 - pectinesterase

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TEMPERATURE RANGE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
0 - 65
-
0°C: about 20% of maximal activity, 65°C: 10% of maximal activity
10 - 60
20 - 70
-
rapid increase of activity between 30 and 40°C, rapid loss of activity above 55°C
23
-
no methanol production in whole green beans
25 - 65
30 - 50
-
about 50% of maximal activity at 30°C and at 50°C
30 - 65
30 - 70
35 - 60
-
90-100% activity from 35-50°C, about 30% activity at 55°C, no activity at 60°C
35 - 65
40 - 65
-
40°C: about 20% of maximal activity, 65°C: about 25% of maximal activity
42 - 56
-
42°C: about 80% of maximal activity, 56°C: about 45% of maximal activity, hydrolase II
45 - 65
-
very low activity below 45°C
5 - 55
over 50% of maximal activity at 20-50°C, activity range, profile overview
50
-
heating intact beans to 50°C causes PME activation and enzyme remains active even at 23°C
60 - 90
80
-
no activity
additional information
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