| Nucleus | NLS, nuclear microinjection | Ca2+ (Allbritton et al., 1994) |
| ER | Hydrophobicity, alkyl chain | Ca2+ (Hofer et al., 1998; Landolfi et al., 1998) |
| | | pH (Reddy G et al., 2015) |
| | | Cu2+ (Lee et al., 2014) |
| PM inner surface | Hydrophobic tail | Ca2+ (Vorndran et al., 1995) |
| | | membrane potential (González and Tsien, 1995; Peterka et al., 2011; St-Pierre et al., 2015) |
| Mitochondrial matrix | Membrane potential | Ca2+ (Hajnóczky et al., 1995) |
| | | Zn2+ (Masanta et al., 2011; Sreenath et al., 2011; Liu et al., 2012b; Chyan et al., 2014) |
| | | thiols (Lim et al., 2011) |
| | | H2O2 (Dickinson and Chang, 2008) |
| | | pH (Sarkar et al., 2016) |
| | | superoxide (Robinson et al., 2006) |
| | | membrane potential (Nicholls, 2012) |
| Acidic compartments | pH gradient, endocytosis | pH (Zhu et al., 2012; Miao et al., 2013; Lv et al., 2014; Chen et al., 2015; Wang et al., 2015; Yapici et al., 2015) |
| | | thiols (Kand et al., 2015) |
| | | Ca2+ (Gilroy and Jones, 1992; Schlatterer et al., 1992) |
| | | vesicle recycling (Gaffield and Betz, 2007; Li et al., 2009) |
| | | neurotransmitter release (Gubernator et al., 2009) |