Ligand trans-zeatin

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Basic Ligand Information

Molecular Structure
Picture of trans-zeatin (click for magnification)
Molecular Formula
BRENDA Name
InChIKey
C10H13N5O
trans-zeatin
UZKQTCBAMSWPJD-FARCUNLSSA-N
Synonyms:
6-[(E)-4-hydroxy-3-methylbut-2-enylamino]purine, cytokinin, zeatin

Roles as Enzyme Ligand

In Vivo Substrate in Enzyme-catalyzed Reactions (11 results)

EC NUMBER
PROVEN IN VIVO REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
trans-zeatin + NADPH = dihydrozeatin + NADP+
show the reaction diagram
-
UDP-D-xylose + trans-zeatin = ?
show the reaction diagram
-

Substrate in Enzyme-catalyzed Reactions (35 results)

EC NUMBER
REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
cytokinin + phosphate = ? + alpha-D-ribose 1-phosphate
show the reaction diagram
-
zeatin + 5-phospho-alpha-D-ribose 1-diphosphate = zeatin riboside 5'-phosphate + diphosphate
show the reaction diagram
-
O-acetyl-L-serine + zeatin = lupinate + acetate
show the reaction diagram
-
6-[(E)-4-hydroxy-3-methylbut-2-enylamino]purine + H2O = ?
show the reaction diagram
-

Product in Enzyme-catalyzed Reactions (1 result)

EC NUMBER
REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
trans-zeatin riboside + phosphate = trans-zeatin + alpha-D-ribose 1-phosphate
show the reaction diagram
-
-

Activator in Enzyme-catalyzed Reactions (3 results)

EC NUMBER
COMMENTARY
LITERATURE
ENZYME 3D STRUCTURE

Inhibitor in Enzyme-catalyzed Reactions (4 results)

EC NUMBER
COMMENTARY
LITERATURE
ENZYME 3D STRUCTURE
enhances enzyme activity by 35%
plant hormones, inhibition less strong than for adenine
-

3D Structure of Enzyme-Ligand-Complex (PDB) (18 results)

Enzyme Kinetic Parameters

kcat Value (Turnover Number) (2 results)

EC NUMBER
TURNOVER NUMBER [1/S]
TURNOVER NUMBER MAXIMUM [1/S]
COMMENTARY
LITERATURE
135
-
30°C, pH 7.4
0.45
-
-

KM Value (17 results)

EC NUMBER
KM VALUE [MM]
KM VALUE MAXIMUM [MM]
COMMENTARY
LITERATURE
0.002
-
-
0.88
-
-

References & Links

Links to other databases for trans-zeatin

ChEBI
PubChem
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PubChem