Nikotianamin aminotransferaza

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Nikotianamin aminotransferaza
Identifikatori
EC broj 2.6.1.80
CAS broj 154907-64-9
IntEnz IntEnz view
BRENDA BRENDA entry
ExPASy NiceZyme view
KEGG KEGG entry
MetaCyc metabolic pathway
PRIAM profile
PDB RCSB PDB PDBe PDBj PDBsum

Nikotianamin aminotransferaza (EC 2.6.1.80, NAAT, NAAT-I, NAAT-II, NAAT-III, nikotianaminska transaminaza) je enzim sa sistematskim imenom nikotianamin:2-oksoglutarat aminotransferaza.[1][2][3] Ovaj enzim katalizuje sledeću hemijsku reakciju

nikotianamin + 2-oksoglutarat 3-deamino-3-oksonicotianamin + L-glutamat

Ovaj enzim je piridoksal-fosfatni protein.

Reference[uredi | uredi kod]

  1. Kanazawa, K., Higuchi, K., Nishizawa, N.-K., Fushiya, S., Chino, M. and Mori, S. (1994). „Nicotianamine aminotransferase activities are correlated with the phytosiderophore secretions under Fe-deficient conditions in Gramineae”. J. Exp. Bot. 45: 1903-1906. 
  2. Takahashi, M., Yamaguchi, H., Nakanishi, H., Shioiri, T., Nishizawa, N.K. and Mori, S. (1999). „Cloning two genes for nicotianamine aminotransferase, a critical enzyme in iron acquisition (Strategy II) in graminaceous plants”. Plant Physiol. 121: 947-956. PMID 10557244. 
  3. Schaaf, G., Ludewig, U., Erenoglu, B.E., Mori, S., Kitahara, T. and von Wirén, N. (2004). „ZmYS1 functions as a proton-coupled symporter for phytosideorophore- and nicotianamine-chelated metals”. J. Biol. Chem. 279: 9091-9096. PMID 14699112. 

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