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Literature summary for 4.3.1.24 extracted from

  • He, X.; Gao, S.
    Changes of antioxidant enzyme and phenylalanine ammonia-lyase activities during Chimonanthus praecox seed maturation (2008), Z. Naturforsch. C, 63, 569-573.
    View publication on PubMed

Activating Compound

Activating Compound Comment Organism Structure
additional information the enzyme activity is stimulated by chilling, wounding, UV-B light, ozone, pathogen invasion, and plant hormones Chimonanthus praecox

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
L-phenylalanine Chimonanthus praecox the enzyme is part of the plant's defense system, especially in the early stages of seed maturation (E)-cinnamate + NH3
-
?

Organism

Organism UniProt Comment Textmining
Chimonanthus praecox
-
-
-

Source Tissue

Source Tissue Comment Organism Textmining
seed enzyme activity changes during seed maturation and decreases steadily for up to 15 weeks after flowering from 336 to 211 U per g fresh weight, inverse relationship between enzyme protein content and activity Chimonanthus praecox
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Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
additional information
-
activity in seeds during maturation, overview Chimonanthus praecox

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
L-phenylalanine
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Chimonanthus praecox (E)-cinnamate + NH3
-
?
L-phenylalanine the enzyme is part of the plant's defense system, especially in the early stages of seed maturation Chimonanthus praecox (E)-cinnamate + NH3
-
?

Synonyms

Synonyms Comment Organism
PAL
-
Chimonanthus praecox

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
30
-
assay at Chimonanthus praecox

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8.8
-
assay at Chimonanthus praecox