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Literature summary extracted from

  • Kudo, T.; Makita, N.; Kojima, M.; Tokunaga, H.; Sakakibara, H.
    Cytokinin activity of cis-zeatin and phenotypic alterations induced by overexpression of putative cis-zeatin-O-glucosyltransferase in rice (2012), Plant Physiol., 160, 319-331.
    View publication on PubMedView publication on EuropePMC

Activating Compound

EC Number Activating Compound Comment Organism Structure
2.4.1.215 additional information cZOGTs catalyze O-glucosylation in a ATP-independent manner Oryza sativa Japonica Group

Cloned(Commentary)

EC Number Cloned (Comment) Organism
2.4.1.215 cZOGT1, DNA and amino acid sequence determination and analysis, phylogenetic analysis, expression profiles of cZOGT genes in rice, overview Oryza sativa Japonica Group
2.4.1.215 cZOGT2, DNA and amino acid sequence determination and analysis, phylogenetic analysis, expression profiles of cZOGT genes in rice, overview Oryza sativa Japonica Group
2.4.1.215 cZOGT3, DNA and amino acid sequence determination and analysis, phylogenetic analysis, expression profiles of cZOGT genes in rice, overview Oryza sativa Japonica Group

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
2.4.1.215 0.124
-
cis-zeatin pH 7.0, 30°C Oryza sativa Japonica Group
2.4.1.215 0.196
-
cis-zeatin pH 6.0, 30°C Oryza sativa Japonica Group
2.4.1.215 0.33
-
cis-zeatin pH 6.0, 30°C Oryza sativa Japonica Group

Metals/Ions

EC Number Metals/Ions Comment Organism Structure
2.4.1.215 Mg2+ cZOGTs catalyze O-glucosylation in a Mg2+-dependent manner Oryza sativa Japonica Group

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
2.4.1.215 52200
-
x * 52200, cZOGT3, SDS-PAGE Oryza sativa Japonica Group
2.4.1.215 55100
-
x * 55100, cZOGT1, SDS-PAGE Oryza sativa Japonica Group
2.4.1.215 55400
-
x * 55400, cZOGT2, SDS-PAGE Oryza sativa Japonica Group

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
2.4.1.215 UDP-glucose + cis-zeatin Oryza sativa Japonica Group
-
UDP + O-beta-D-glucosyl-cis-zeatin
-
?

Organism

EC Number Organism UniProt Comment Textmining
2.4.1.215 Oryza sativa Japonica Group Q0JB48 cZOGT3; three isozymes cZOGT1, cZOGT2, and cZOGT3, six nuclear genes cZOG
-
2.4.1.215 Oryza sativa Japonica Group Q7XU02 cZOGT2; three isozymes cZOGT1, cZOGT2, and cZOGT3, six nuclear genes cZOG
-
2.4.1.215 Oryza sativa Japonica Group Q7XU03 cZOGT1; three isozymes cZOGT1, cZOGT2, and cZOGT3, six nuclear genes cZOG
-

Source Tissue

EC Number Source Tissue Comment Organism Textmining
2.4.1.215 seedling
-
Oryza sativa Japonica Group
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2.4.1.215 additional information cZOGT1 also shows lower activity with cis-zeatin-riboside, and cZOGT1 also catalyzes O-glucosylation of 2-topolin in vitro Oryza sativa Japonica Group ?
-
?
2.4.1.215 additional information cZOGT2 also shows lower activity with cis-zeatin-riboside, and cZOGT2 also catalyzes O-glucosylation of 2-topolin in vitro Oryza sativa Japonica Group ?
-
?
2.4.1.215 additional information cZOGT3 also shows lower activity with cis-zeatin-riboside Oryza sativa Japonica Group ?
-
?
2.4.1.215 UDP-glucose + cis-zeatin
-
Oryza sativa Japonica Group UDP + O-beta-D-glucosyl-cis-zeatin
-
?
2.4.1.215 UDP-glucose + cis-zeatin cZOGTs catalyze O-glucosylation specifically using UDP-Glc as a Glc donor Oryza sativa Japonica Group UDP + O-beta-D-glucosyl-cis-zeatin
-
?

Subunits

EC Number Subunits Comment Organism
2.4.1.215 ? x * 52200, cZOGT3, SDS-PAGE Oryza sativa Japonica Group
2.4.1.215 ? x * 55100, cZOGT1, SDS-PAGE Oryza sativa Japonica Group
2.4.1.215 ? x * 55400, cZOGT2, SDS-PAGE Oryza sativa Japonica Group

Synonyms

EC Number Synonyms Comment Organism
2.4.1.215 cZOGT1
-
Oryza sativa Japonica Group
2.4.1.215 cZOGT2
-
Oryza sativa Japonica Group
2.4.1.215 cZOGT3
-
Oryza sativa Japonica Group

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
2.4.1.215 30
-
assay at Oryza sativa Japonica Group

Turnover Number [1/s]

EC Number Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
2.4.1.215 0.16
-
cis-zeatin pH 7.0, 30°C Oryza sativa Japonica Group
2.4.1.215 0.53
-
cis-zeatin pH 6.0, 30°C Oryza sativa Japonica Group
2.4.1.215 0.9
-
cis-zeatin pH 6.0, 30°C Oryza sativa Japonica Group

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
2.4.1.215 6
-
-
Oryza sativa Japonica Group
2.4.1.215 7
-
-
Oryza sativa Japonica Group

General Information

EC Number General Information Comment Organism
2.4.1.215 malfunction cZOGT3 overexpressing lines do not show shortened shoots Oryza sativa Japonica Group
2.4.1.215 malfunction transgenic rice lines ectopically overexpressing the cZOGT1 gene exhibit short-shoot phenotypes, delay of leaf senescence, and decrease in crown root number Oryza sativa Japonica Group
2.4.1.215 malfunction transgenic rice lines ectopically overexpressing the cZOGT2 gene exhibit short-shoot phenotypes, delay of leaf senescence, and decrease in crown root number Oryza sativa Japonica Group
2.4.1.215 physiological function cis-zeatin inhibits seminal root elongation and up-regulates cytokinin-inducible genes, and its activities are comparable to those of trans-zeatin. cis-Zeatin activity has a physiological impact on the growth and development of rice Oryza sativa Japonica Group

kcat/KM [mM/s]

EC Number kcat/KM Value [1/mMs-1] kcat/KM Value Maximum [1/mMs-1] Substrate Comment Organism Structure
2.4.1.215 1.3
-
cis-zeatin pH 7.0, 30°C Oryza sativa Japonica Group
2.4.1.215 1.6
-
cis-zeatin pH 6.0, 30°C Oryza sativa Japonica Group
2.4.1.215 4.7
-
cis-zeatin pH 6.0, 30°C Oryza sativa Japonica Group