|  | Cell lysis*2 |
---|
Chelator
|
logK
CaL
*
1
|
20 mM
|
50 mM
|
EDTA | 10.96 | + | + |
EGTA | 11 | + | + |
NTA | 6.41 | - | + |
TTHA | 10.06 | - | + |
DTPA | 10.74 | - | + |
CyDTA | 12.5 | ± | + |
BAPTA | 6.97 | + | + |
- *1 Chelate-stability constants, which are available in the Dojindo website http://www.dojindo.co.jp/.
- *2 A 7-day-old Arabidopsis seedling was boiled for 10 min in the 50 - l lysis solution (100 mM Tris-HCl, pH 8.0, 1% w/v SDS and 20 or 50 mM chelator listed). Samples were regarded as lysed (+) or not (-), based on the development of green color of the chlorophyll in the solution.