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Literature summary extracted from

  • Turner, J.E.; Mok, D.W.S.; Mok, M.C.; Shaw, G.
    Isolation and partial purification of an enzyme catalyzing the formation of O-xylosylzeatin in phaseolus vulgaris embryos (1987), Proc. Natl. Acad. Sci. USA, 84, 3714-3717.
    View publication on PubMedView publication on EuropePMC

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
2.4.2.40 0.002
-
 trans-zeatin
-
 Phaseolus vulgaris
2.4.2.40 0.003
-
 UDP-xylose
-
 Phaseolus vulgaris
2.4.2.40 0.01
-
 dihydrozeatin
-
 Phaseolus vulgaris

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
2.4.2.40 cytosol
-
 Phaseolus vulgaris 5829
-

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
2.4.2.40 50000
-
 gel filtration Phaseolus vulgaris

Organism

EC Number Organism UniProt Comment Textmining
2.4.2.40 no activity in Phaseolus lunatus
-
-
-
2.4.2.40 Phaseolus vulgaris
-
 cv. Great Northern
-

Purification (Commentary)

EC Number Purification (Comment) Organism
2.4.2.40 partial Phaseolus vulgaris

Source Tissue

EC Number Source Tissue Comment Organism Textmining
2.4.2.40 embryo immature Phaseolus vulgaris
-

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
2.4.2.40 0.0049
-
-
 Phaseolus vulgaris

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2.4.2.40 UDP-D-xylose + dihydrozeatin
-
 Phaseolus vulgaris UDP + O-beta-D-xylosyldihydrozeatin
-
 ?
2.4.2.40 UDP-D-xylose + zeatin absolutely specific for UDP-D-xylose Phaseolus vulgaris UDP + O-beta-D-xylosylzeatin
-
 ?
2.4.2.40 UDP-D-xylose + zeatin trans-zeatin Phaseolus vulgaris UDP + O-beta-D-xylosylzeatin
-
 ?
2.4.2.40 UDP-D-xylose + zeatin cis-zeatin and ribosylzeatin are no substrates Phaseolus vulgaris UDP + O-beta-D-xylosylzeatin
-
 ?

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
2.4.2.40 25
-
 assay at Phaseolus vulgaris

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
2.4.2.40 8 8.5
-
 Phaseolus vulgaris