Table 1 Summary of the effects of Tau + GFP fusion proteins on aggregation, stimulation of microtubule assembly, and packing of subunits in Tau filaments

Tau^FL-wt

E.coli

yes

Fibrils

45.85

157.1±4

3.4

GFP-Tau^FL-wt

E.coli

yes

Fibrils

73.76

163.0±5

2.2

Tau^FL-wt-GFP

E.coli

yes

Fibrils

74.54

Tau^RDΔK

E.coli

no

Fibrils

13.55

61.5±4

4.5

GFP-Tau^RDΔK

E.coli

no

no

43.07

Tau^RDΔK-GFP

Sf9 cells

no

Short fibrils (minor fraction)

42.77

86.1±5

2.0

Long fibrils (minor fraction)

42.77

37.4±7

0.87