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Sequence alignment of tomato NIF1 and A. thaliana AHBP-1b, TGA6, and OBF5. The tomato NIF1 sequence was aligned with AHBP-1b (residues 96–330) (34), TGA6 (residues 90–325) (35), and OBF5 (residues 90–324) (36) by using multalin (37). Red letters represent the residues of high consensus, blue letters indicate the amino acids with low consensus, and black letters highlight the residues with no consensus.
