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Literature summary for 4.2.1.92 extracted from

  • Yabuuchi, S.; Amaha, M.
    Partial purification and characterization of the linoleate hydroperoxide isomerase from grains of Hordeum distichum (1976), Phytochemistry, 15, 387-390.
No PubMed abstract available

Inhibitors

Inhibitors Comment Organism Structure
Cu2+
-
Hordeum vulgare subsp. vulgare
Hg2+
-
Hordeum vulgare subsp. vulgare

Organism

Organism UniProt Comment Textmining
Hordeum vulgare subsp. vulgare
-
-
-

Purification (Commentary)

Purification (Comment) Organism
partial Hordeum vulgare subsp. vulgare

Source Tissue

Source Tissue Comment Organism Textmining
caryopsis embryos, activity decreases during germination Hordeum vulgare subsp. vulgare
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
(9S)-hydroperoxy-(10E,12Z)-octadecadienoic acid
-
Hordeum vulgare subsp. vulgare 10-oxo-(9R)-hydroxy-cis-12-octadecadienoic acid + H2O 9-hydroxy-10-oxo,cis-12-octadecenoic acid and 13-hydroxy-10-oxo-trans-11-octadecenoic acid in the ratio 2:1 ?

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
20
-
pH 7: 10% loss of activity after 20 h, pH 5: 60% loss of activity after 20 h Hordeum vulgare subsp. vulgare
45
-
pH 6, 60 min, 35% loss of activity Hordeum vulgare subsp. vulgare
60
-
pH 6, 60 min, complete loss of activity Hordeum vulgare subsp. vulgare

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
6.8
-
-
Hordeum vulgare subsp. vulgare

pH Range

pH Minimum pH Maximum Comment Organism
5.5 9 about 50% of maximum activity at pH 5.5 and pH 9.0 Hordeum vulgare subsp. vulgare