IUBMB Enzyme Nomenclature


Accepted name: mugineic-acid 3-dioxygenase

Reaction: (1) mugineic acid + 2-oxoglutarate + O2 = 3-epihydroxymugineic acid + succinate + CO2

(2) 2'-deoxymugineic acid + 2-oxoglutarate + O2 = 3-epihydroxy-2'-deoxymugineic acid + succinate + CO2

For diagram click here.

Other name(s): IDS2

Systematic name: mugineic acid,2-oxoglutarate:oxygen oxidoreductase (3-hydroxylating)

Comments: Requires iron(II).

Links to other databases: BRENDA, EXPASY, KEGG, Metacyc, CAS registry number:


1. Nakanishi, H., Yamaguchi, H., Sasakuma, T., Nishizawa, N.K. and Mori, S. Two dioxygenase genes, Ids3 and Ids2, from Hordeum vulgare are involved in the biosynthesis of mugineic acid family phytosiderophores. Plant Mol. Biol. 44 (2000) 199-207. [PMID: 11117263]

2. Okumura, N., Nishizawa, N.K., Umehara, Y., Ohata, T., Nakanishi, H., Yamaguchi, T., Chino, M. and Mori. S. A dioxygenase gene (Ids2) expressed under iron deficiency conditions in the roots of Hordeum vulgare. Plant Mol. Biol. 25 (1994) 705-719. [PMID: 8061321]

[EC created 2005]

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