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. Author manuscript; available in PMC: 2021 Jul 7.
Published in final edited form as: Biochemistry. 2020 Jun 22;59(26):2468–2478. doi: 10.1021/acs.biochem.0c00359

Figure 9.

Figure 9.

Low-temperature X-band CW EPR spectra of CP-Ser (200 μM) incubated with 0.9 equivalents of Mn(II) at pH 5.5–7.0 (75 mM MES, 100 mM NaCl) in the presence (A) and absence (B) of 2 mM Ca(II). An EPR spectrum of Mn(II) (180 μM) in MES buffer (75 mM MES, 100 mM NaCl, pH 5.5) is provided for comparison (panel B).