| Assay Method Information | |
| | PARP1 Assay |
| Description: | PARP1 In vitro selectivity assays were conducted as a 10 ul reaction volume in a NUNC Maxisorp 384-well assay plate pre-coated in-house with Histones. 5 ul of Human High specific Activity PARP1 (Trevigen: 4668-100-01) was used at a final reaction concentration of 0.02 units/ml in 1×PARP Buffer (Trevigen: 4671-096-02) with 5 ul of 1×PARP cocktail, which is a mixture of 10×PARP Cocktail (Trevigen: 4671-096-03), 10× Activate DNA (Trevigen: 4671-096-06) and 20×PARP Buffer (as above). The reaction was incubated at room temperature for 60 minutes to allow histones on the coated plate to become PARylated. The wells were then washed with PBS/0.1% Triton X100. PARP1 activity was then detected by measuring the extent of PARylation. Firstly, 10 ul of Streptavidin-HRP (Trevigen: 4800-30-06), diluted 1 in 250 in 1×PARG Assay Buffer (Trevigen: 4680-096-02), was added to each well and incubated at room temperature for 60 minutes. Secondly, following another wash with PBS/0.1% Triton X100, Peroxy Glow Reagents A and B (Trevigen: 4675-096-01 and 4675-096-02) were mixed in equal quantities immediately before use and 100 ul was added to each well. Luminescence signal was then measured immediately. |
| Affinity data for this assay | |
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