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Literature summary extracted from

  • Rico, D.; Martin-Diana, A.B.; Barry-Ryan, C.; Henehan, G.T.; Frias, J.M.
    Simultaneous modelling of the thermal degradation kinetics of pectin methylesterase in lettuce (Lactuca sativa L.) and carrot (Daucus carota L.) extracts: analysis of seasonal variation and tissue type (2007), Biosci. Biotechnol. Biochem., 71, 2383-2392.
    View publication on PubMed

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
3.1.1.11 cell wall associated Daucus carota 5618
-
3.1.1.11 cell wall associated Lactuca sativa 5618
-
3.1.1.11 extracellular
-
 Daucus carota
-
-
3.1.1.11 extracellular
-
 Lactuca sativa
-
-

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
3.1.1.11 pectin + H2O Daucus carota
-
 methanol + pectate
-
 ?
3.1.1.11 pectin + H2O Lactuca sativa
-
 methanol + pectate
-
 ?

Organism

EC Number Organism UniProt Comment Textmining
3.1.1.11 Daucus carota
-
-
-
3.1.1.11 Lactuca sativa
-
-
-

Posttranslational Modification

EC Number Posttranslational Modification Comment Organism
3.1.1.11 proteolytic modification the inactive enzyme precursor, Pro-PME, is activated to the mature soluble enzyme, which is excreted to the cell wall Daucus carota
3.1.1.11 proteolytic modification the inactive enzyme precursor, Pro-PME, is activated to the mature soluble enzyme, which is excreted to the cell wall Lactuca sativa

Reaction

EC Number Reaction Comment Organism Reaction ID
3.1.1.11 pectin + n H2O = n methanol + pectate reaction mechanism Daucus carota
a
3.1.1.11 pectin + n H2O = n methanol + pectate reaction mechanism Lactuca sativa
a

Source Tissue

EC Number Source Tissue Comment Organism Textmining
3.1.1.11 leaf photosynthetic active and vascular tissues Lactuca sativa
-
3.1.1.11 phloem
-
 Daucus carota
-
3.1.1.11 root
-
 Daucus carota
-
3.1.1.11 xylem
-
 Daucus carota
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.1.1.11 pectin + H2O
-
 Daucus carota methanol + pectate
-
 ?
3.1.1.11 pectin + H2O
-
 Lactuca sativa methanol + pectate
-
 ?

Synonyms

EC Number Synonyms Comment Organism
3.1.1.11 pectin methylesterase
-
 Daucus carota
3.1.1.11 pectin methylesterase
-
 Lactuca sativa
3.1.1.11 PME
-
 Daucus carota
3.1.1.11 PME
-
 Lactuca sativa

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
3.1.1.11 20
-
 assay at Daucus carota
3.1.1.11 20
-
 assay at Lactuca sativa

Temperature Stability [°C]

EC Number Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
3.1.1.11 55 70 PME thermal degradation kinetics, modeling, overview Daucus carota
3.1.1.11 55 70 PME thermal degradation kinetics, modeling, overview Lactuca sativa

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
3.1.1.11 7.5
-
 assay at Daucus carota
3.1.1.11 7.5
-
 assay at Lactuca sativa