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Table 2 Summary of the absorption and fluorescence emission data relevant to the evaluation of the extinction coefficient εmax using the Strickler-Berg equation.

From: A new approach to dual-color two-photon microscopy with fluorescent proteins

Protein

λMax

emission

(nm)

Ï„ (ns)

Quantum

Yield (Ï•)

Ï„R

λMax

absorption

(nm)

εMAX

103M-1cm-1

mTFP1.0

494

3.2

0.87 ± 0.09

3.7

463

49.6

mTFP1.0b

492

3.14

0.88 ± 0.09

3.5

462

48.1

mTFP0.8

494

3.63

0.91 ± 0.09

3.8

471

46.5

mTFP0.7

489

1.82

0.48 ± 0.05

3.8

453

43.4

G1

504

3.29

0.83 ± 0.12

4.0

490

71.2

G3

512

2.99

0.73 ± 0.07

4.1

498

68.0

mWasabi

508

3.4

0.81 ± 0.08

4.2

498

73.2

mKalama1

455

1.84

0.35 ± 0.07

4.7

392

25.7

mAmetrine

525

3.93

0.57 ± 0.13

7.5

407

28.7

EBFP2

446

3.65

0.64 ± 0.13

5.3

390

24.0

EBFP1.5

448

2.4

0.43 ± 0.09

6.2

389

23.5

EBFP1.2

443

2.16

0.36 ± 0.07

5.7

386

21.8

mCerulean

477

3.42

0.55 ± 0.05

6.2

431

25.1

ECFP(N164H)

476

3.36

0.49 ± 0.05

6.9

433

22.7