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. Author manuscript; available in PMC: 2018 Mar 26.
Published in final edited form as: Chem Commun (Camb). 2017 Mar 23;53(25):3527–3530. doi: 10.1039/c7cc00804j

Fig. 2.

Fig. 2

Native MS showing reduced stoichiometry of EthR with the shorter DNA37 and DNA36 sequences. MS spectra of a) EthR and DNA37 in a 6:1 ratio, showing the formation of mainly EthR4-DNA37 complex, some EthR2-DNA37 complex, and a trace of EthR3-DNA37 complex, and b) EthR and DNA36 in a 6:1 ratio, showing formation of mainly EthR2-DNA36 complex and some EthR4-DNA36 complex.