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. 2014 Mar 3;114(8):4564–4601. doi: 10.1021/cr400546e

Table 4. Genetically Encoded Zn2+ Sensors.

  FP
 excitation
 emission
      
name donor acceptor λdonor εdonora λacceptor εacceptora λdonor .φdonor λacceptor φacceptor KD (M) DR (Rmax/Rmin) ref
ZifCY1 ECFP mCitrine 439 32.5 516 77.0 476 0.40 529 0.57 1.0 × 10–6 1.4 (80)
ZifCY2 ECFP mCitrine 439 32.5 516 77.0 476 0.40 529 0.57 1.0 × 10–4 4.0 (80)
ZapCY1 ECFP mCitrine 439 32.5 516 77.0 476 0.40 529 0.57 2.5 × 10–12 3.0 (61a)
ZapCY2 ECFP mCitrine 439 32.5 516 77.0 476 0.40 529 0.57 8.1 × 10–10 1.5 (61a)
eCALWY-1 Cerulean Citrine 433 43.0 516 77.0 475 0.62 529 0.57 2.0 × 10–12 2.0 (81b)
eCALWY-2 Cerulean Citrine 433 43.0 516 77.0 475 0.62 529 0.57 9.0 × 10–12 2.0 (81b)
eCALWY-3 Cerulean Citrine 433 43.0 516 77.0 475 0.62 529 0.57 4.5 × 10–11 1.7 (81b)
eCALWY-4 Cerulean Citrine 433 43.0 516 77.0 475 0.62 529 0.57 6.3 × 10–10 2.0 (81b)
eCALWY-5 Cerulean Citrine 433 43.0 516 77.0 475 0.62 529 0.57 1.8 × 10–9 1.8 (81b)
eCALWY-6 Cerulean Citrine 433 43.0 516 77.0 475 0.62 529 0.57 2.9 × 10–9 1.8 (81b)
eZinCH Cerulean Citrine 433 43.0 516 77.0 475 0.62 529 0.57 8.0 × 10–6 4.0 (81b)
ZapSM2 tSapphire mKO 399 44.0 548 51.6 511 0.60 559 0.60 ND 1.1 (153)
ZapSR2 tSapphire tagRFP 399 44.0 555 98.0 511 0.60 584 0.41 ND 1.2 (153)
ZapOC2 mOrange2 mCherry 549 58.0 587 72.0 565 0.60 610 0.022 ND 1.1 (153)
ZapOK2 mOrange2 mKate 549 58.0 588 31.5 565 0.60 635 0.28 ND 1.1 (153)
ZapCmR1.1 Clover mRuby2 505 111 559 113 515 0.77 600 0.38 ND 1.5 (153)
a

Molar extinction coefficients given as ε/103 M–1 cm–1. ND, not determined.