2.6.1.99: L-tryptophan-pyruvate aminotransferase
This is an abbreviated version!
For detailed information about L-tryptophan-pyruvate aminotransferase, go to the full flat file.
Word Map on EC 2.6.1.99
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2.6.1.99
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auxin
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indole-3-acetic
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iaa
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yucca
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indole-3-pyruvate
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monooxygenases
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flavin
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aminotransferases
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trp
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meristem
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maize
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shade
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gravitropism
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pin-formed1
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trp-dependent
- 2.6.1.99
- auxin
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indole-3-acetic
- iaa
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yucca
- indole-3-pyruvate
- monooxygenases
- flavin
- aminotransferases
- trp
- meristem
- maize
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shade
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gravitropism
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pin-formed1
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trp-dependent
Reaction
Synonyms
At1g80360, F5I6.11, FIB, SAV3, TAA, TAA1, tryptophan aminotransferase of Arabidopsis, tryptophan aminotransferase of Arabidopsis 1, TRYPTOPHAN AMINOTRANSFERASE OF ARABIDOPSIS1, Vas1, vl2
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Engineering
Engineering on EC 2.6.1.99 - L-tryptophan-pyruvate aminotransferase
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K217A
the TAA1 mutant shows a defect in pyridoxal 5'-phosphate binding
K217A
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the TAA1 mutant shows a defect in pyridoxal 5'-phosphate binding
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additional information
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construction of taa mutants showing phenotypes including defects in shade avoidance, root resistance to ethylene and N-1-naphthylphthalamic acid, the phenotypess are phenocopied by inactivating YUC genes, overview. Overexpression of YUC1 partially suppresses the shade avoidance defects of taa1 and the sterile phenotypes of the weak but not the strong taa mutants. The auxin overproduction phenotypes of YUC overexpression lines are dependent on active TAA genes. Construcction of wei8 tar2 mutants, phenotypes, overview
additional information
construction of wei8 knockout mutants and of wei8-1 and tar2-1 mutants. If TAA1/TARs and YUCs work together to produce indole 3-acetic acid, blocking the in vivo activity of TAA1/TARs with L-kynurenine suppresses the high-auxin phenotypes of YUC1ox plants. The plants expressing the YUC1 cDNA under the control of the TAA1 regulatory sequences display a much stronger root phenotype, characterized by an extremely short root length both in light- and dark-grown seedlings. Significantly lower levels of free for indole 3-acetic acid are detected in the single wei8-2 as well as in the double wei8-2 tar2-1 mutants
additional information
generation of estradiol-inducible wei8-1 tar2-1 from wei8-1/- tar2-1/+, and wei8-1 tar2-2 from wei8-1/- tar2-2/+ mutants. TAA1 overexpression plants in Arabdopsis thaliana wild-type (TAA1ox) and yuc1D (TAA1ox yuc1D), respectively. TAA1 overexpressing plants do not show apparent phenotypes relative to vector control plants
additional information
phenotypes of multiple mutant combinations, strong ethylene defects of the wei8 tar2 roots and the typical ethylene-triggered differential growth of apical hooks is also blocked in wei8 tar2, wei8 tar2 mutants have reduced levels of auxin
additional information
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phenotypes of multiple mutant combinations, strong ethylene defects of the wei8 tar2 roots and the typical ethylene-triggered differential growth of apical hooks is also blocked in wei8 tar2, wei8 tar2 mutants have reduced levels of auxin
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additional information
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construction of wei8 knockout mutants and of wei8-1 and tar2-1 mutants. If TAA1/TARs and YUCs work together to produce indole 3-acetic acid, blocking the in vivo activity of TAA1/TARs with L-kynurenine suppresses the high-auxin phenotypes of YUC1ox plants. The plants expressing the YUC1 cDNA under the control of the TAA1 regulatory sequences display a much stronger root phenotype, characterized by an extremely short root length both in light- and dark-grown seedlings. Significantly lower levels of free for indole 3-acetic acid are detected in the single wei8-2 as well as in the double wei8-2 tar2-1 mutants
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