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N Use By Plants
Nitrate Assimilation
Ammonia Assimilation
Glu, Gln, Asn, Gly, Ser
Aminotransferases
Asp, Ala, GABA
Val, Leu, Ileu, Thr, Lys
Pro, Arg, Orn
Polyamines
Non-protein AAs
Alkaloids
Sulfate Assimilation
Cys, Met, AdoMet, ACC
His, Phe, Tyr, Tryp
Secondary Products
Onium Compounds
Enzymes
Methods
Simulation
References
HORT640 - Metabolic Plant Physiology

Enzymes of histidine metabolism
EC # Enzyme name ExPASy BRENDA
2.4.2.17 ATP-phosphoribosytransferase 2.4.2.17 2.4.2.17
3.6.1.31 Phosphoribosyl-ATP pyrophosphatase 3.6.1.31 3.6.1.31
3.5.4.19 Phosphoribosyl-AMP cyclohydrolase 3.5.4.19 3.5.4.19
5.3.1.16 N-(5'-phospho-D-ribosylformimino)-5-amino-1-(5''-phosphoribosyl)-4-imidazole carboxamide isomerase 5.3.1.16 5.3.1.16
None Imidazoleglycerol-phosphate synthase (glutamine amidotransferase)

4.2.1.19 Imidazoleglycerol-phosphate dehydratase 4.2.1.19 4.2.1.19
2.6.1.9 Histidinol-phosphate aminotransferase 2.6.1.9 2.6.1.9
3.1.3.15 Histidinol phosphatase 3.1.3.15 3.1.3.15
1.1.1.23 Histidinol dehydrogenase 1.1.1.23 1.1.1.23
2.6.1.58 Phenylalanine (histidine) aminotransferase 2.6.1.58 2.6.1.58

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David Rhodes
Department of Horticulture & Landscape Architecture
Horticulture Building
625 Agriculture Mall Drive
Purdue University
West Lafayette, IN 47907-2010
Last Update: 10/01/09