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Fig. 1 | BMC Research Notes

Fig. 1

From: The commercially available STAT3 inhibitor 5,15-diphenylporphyrin (5,15-DPP) does not directly interact with STAT3 core residues 127–722

Fig. 1

FTIR spectra for structural integrity of recombinant STAT3 (in presence and absence of Mg2 + containing buffer) and thermally denatured protein. Spectra represent Amide II (1500–1600 cm−1) and Amide I (1600–1700 cm−1). Divalent cations have been shown to promote homodimerization of STAT3 [10], this appears to have resulted in an altered Amide I peak

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