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Förster distances (R0) for common fluorescent protein FRET pairs.
| FP FRET-Pair | R0 | Refs. |
|---|---|---|
| ECFP-EYFP | 4.7 | a |
| ECFP-Citrine | 4.8 | b |
| mCerulean–mCherry | 4.8 | a |
| ECFP-Venus | 5.0 | b |
| mCerulean-EYFP | 5.0 | a |
| Cerulean–Venus | 5.2 | b |
| mCerulean–mVenus | 5.3 | a |
| SECFP-SEYFP | 5.4 | b |
| EGFP-mCherry | 5.4 | b |
| TagGFP-TagRFP | 5.7 | b |
| mTFP1-Citrine | 5.7 | b |
| mTFP1-mOrange | 5.7 | b |
| Citrine-mKate2 | 5.8 | b |
| Clover-mCherry | 5.8 | b |
| mVenus-mCherry | 5.8 | a |
| mVenus-mOrange | 5.8 | a |
| mTurquoise1-SEYFP | 5.8 | b |
| mTurquoise2-SEYFP | 5.9 | b |
| Clover-mRuby2 | 6.3 | b |
