Biology Reference
In-Depth Information
Table 1 Optical properties of representative fluorescent proteins
Name a
QY c
Original
pr otein
Chromopho
re b
Exc/Abs
peak
(nm)
Em peak
(nm)
Ext.
coeff
(10 3 M -1
cm -1 )
References
GFP Y66F
av GFP
BFPF
360
442
(low)
-
[11]
[20]
[21]
EBFP
av GFP
BFP
377
446
30
0.15
EBFP2
av GFP
BFP
383
448
32
0.56
av GFP
BFP
384
450
26.2
0.55
Azurite
[22]
mKalama1
av GFP
GFPn
385
456
36
0.45
[21]
[21]
[23]
[115]
mBlueberry2
DsRed
RFP Y67F
402
467
51
0.48
Cerulean
av GFP
CFP
433
475
43
0.62
ECFP
av GFP
CFP
434
476
32.5
0.4
424/440 d
461/482 d
mTFP1-Y67W
amFP486
CFP
13
0.02
[24]
cFP484 (tetr)
-
GFPa
456
484
35.3
0.48
[6]
[6]
amFP486 (tetr)
-
GFPa
458
486
40
0.24
mTFP1
amFP486
GFPa
462
492
64
0.85
[24]
[20]
EGFP
av GFP
GFPa
484
507
53
0.6
GFP R - state e
av
-
GFPa
477
508
9.5
0.72
[116]
[116]
510 (ESPT) f
av
GFP RHstate
-
GFPn
397
25
0.78
T-Sapphire
av GFP
GFPn
399
511 (ESPT)
44
0.60
[25]
[26]
[27]
[28]
[29]
[30]
22G
GFPa
503
518
95
0.85
Dronpa
EYFP
av GFP
GFPa
514
527
84
0.61
Venus
av GFP
GFPa
515
528
92.2
0.57
YPet
av GFP
GFPa
517
530
104
0.77
PhiYFP (dim)
-
GFPa
525
537
115
0.60
-
zFP538
528
538
-
0.42
zFP538 (dim)
[6]
mKO
KO
mKO
548
561
51.6
0.60
[31]
[32]
[32]
487/504 d
537/562 d
mHoneydew
DsRed
RFP Y67W
17
0.12
mOrange
DsRed
mOrange
548
562
71
0.69
Dendra pa g
DendFP
uvKaede
557
575
20
0.72
[33]
[34]
[35]
EosFP pa (tetr)
-
uvKaede
571
581
41
0.55
Kaede pa (tetr)
-
uvKaede
572
582
60.4
0.33
DsRed (tetr)
-
RFP
558
583
57
0.79
[6]
asFP595 pa (tetr)
-
asFP595
568
595
56.2
<10 -3
[36]
mStrawberry
DsRed
RFP
574
596
90
0.29
[32]
KFP1 pa (tetr)
AsFP595
asFP595
580
600
59
0.07
[117]
mRFP1
DsRed
RFP
584
607
44
0.25
[37]
mCherry
DsRed
RFP
587
610
72
0.22
[32]
-
trans RFP
559
611
78
0.45
eqFP611 (tetr)
[38]
<10 -3
Rtms5 (tetr)
-
trans RFP
592
620
80
[39]
[40]
[41]
[42]
mPlum
DsRed
RFP
590
649
41
0.10
mNeptune
eqFP578
RFP
600
650
67
0.20
cjBlue
-
RFP
610
-
66.7
-
a
The oligomerization state, i.e., dimer (dim) or tetramer (tetr), is reported for nonmonomeric
proteins
b Chromophore name refers to Fig. 4
c QY
Quantum yield
d Two excitation/fluorescent peaks are present
e RH state and R state for av GFP refer to the two bands assigned to neutral (GFPn) and anionic
(GFPa) protonation state of the chromophore
f ESPT in the fourth column indicates that emission from the anionic species takes place after
excited state proton transfer
g pa
¼
¼
after photoactivation
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