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Alignment of GmLb and GmHb amino acid sequences. Sequence alignment was performed with the ClustalW and GeneDoc programs. Identical and similar amino acids are shaded in black and grey, respectively. The red box represents the tyrosine amino acid residue primarily targeted for nitration to form 3-nitrotyrosine (NO2-Tyr), which then generates the green derivatives of Lbs during nodule senescence.
