Formation of metal-nicotianamine complexes as affected by pH, ligand exchange with citrate and metal exchange. A study by electrospray ionization time-of-flight mass spectrometry

Nicotianamine (NA) is considered as a key element in plant metal homeostasis. This non‐proteinogenic amino acid has an optimal structure for chelation of metal ions, with six functional groups that allow octahedral coordination. The ability to chelate metals by NA is largely dependent on the pK of t...

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Veröffentlicht in:	Rapid communications in mass spectrometry 2008-05, Vol.22 (10), p.1553-1562
Hauptverfasser:	Rellán-Álvarez, Rubén, Abadía, Javier, Álvarez-Fernández, Ana
Format:	Artikel
Sprache:	eng
Schlagworte:	Azetidinecarboxylic Acid - analogs & derivatives Azetidinecarboxylic Acid - chemistry Citric Acid - chemistry Hydrogen-Ion Concentration Metals - chemistry Spectrometry, Mass, Electrospray Ionization - methods Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization - methods
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