Troubleshooting and Optimizing a Western Blot
Type
Blog Post
...phosphatase inhibitors to your lysis buffer. Additionally, protein lysis should be done at 4 °C or on ice...conditions
Adjust lysis conditions: time, temperature, and/or buffer to increase lysis
Add sonication...temperature. Some proteins aggregate at 95 °C, a common lysis temperature, so consider a longer incubation (10...ladder on the lefthand side. Whatever you do, be consistent and document it.
Did it work?
Save yourself...chemical buffer around, which works well and consistently, to help troubleshoot background issues. It’...sonication step to protein lysis
Splice variants
Check literature
Posttranslational modifications
...Run control protein (if available) and note in analysis
Plasmid-based proteins: plasmid sequence not...