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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

pH Optimum

pH Optimum on EC 3.1.1.11 - pectinesterase

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pH OPTIMUM
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
2.5 - 4.5
-
-
4 - 6
compared to pH 7.5, homogalacturonans as substrates
4.6
-
enzyme immobilized on CNBr-Sepharose 4B or polyethylenen terephthalate
5.5 - 6
5.5 - 7
neutral isoform
5.5 - 7.5
6 - 7
6 - 7.5
6.5 - 7
-
two pH optima
6.5 - 9
-
isoenzyme PE I from pod
7 - 7.5
Acrocylindrium sp.
-
-
7 - 8
-
isoenzyme II
7 - 9
-
isoenzyme PE II from seed hull
7.2
-
at atmospheric pressure and 55°C
7.3
-
-
8 - 8.5
8 - 9
8.3
-
assay at
8.5 - 9
very basic isoform, i.e. luPME5
8.5 - 9.5
-
at 50 mM NaCl
additional information
-
acidic pH optimum