Table 2: Suitable pH, , and reversibility for the dioxygen uptake of 15 complexes.

LGlyAlaValSerThrHisProMetCysArgLysGluGlnAsnAsp

362365368368366320/374380365347/442366365365365365365
pH8.59.59.09.59.58.010.510.07.09.510.510.510.010.011.5
OUYesYesYesYesYesYesYesYesYesYesYesYesYesYesYes
UVYesYesYesYesYesYesYesYesNoYesYesYesYesYesYes
OXYesYesYesYesYesYesYesYesNoYesYesYesYesYesYes

Notes: ③ suitable pH value for the test; ④ oxygen uptake performance; ⑤ reversible performance tested by UV-vis spectrum; ⑥ reversible performance tested by oxygen electrode.