Note to users. If you're seeing this message, it means that your browser cannot find this page's style/presentation instructions -- or possibly that you are using a browser that does not support current Web standards. Find out more about why this message is appearing, and what you can do to make your experience of our site the best it can be.
I am trying to isolate histones from asynchronous yeast cultures. When I run extracts on SDS-PAGE gels, some do not contain all 4 histone bands (2A,2B,3 and 4), whereas others do. How do I solve this problem?