US Patent 7288397 Nicotianamine aminotransferase and gene therefor

A protein having an amino acid sequence represented by SEQ ID NO: 2 or 4 or an amino acid sequence having said amino acid sequence with a single or plural amino acids deleted, replaced or added, and having the nicotianamine aminotransferase activity, a gene encoding said protein as well as utilization thereof for enhancement of ability of absorbing insoluble iron in soil and for improvement of resistance to iron deficiency are provided.