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Detection of AtSFR2 Protein.
Total protein was extracted from wild-type, sfr2-1, and sfr2-i2 plants either grown in unstressed conditions or after 24 h at 4°C and used to conduct a protein gel blot with anti-SFR2 serum. The arrow shows the position of the AtSFR2 band. The asterisk indicates a cross-reacting band acting as a loading control.
