Each histone octamer is composed of two copies each of the histone proteins H2A, H2B, H3, and H4. The chain of nucleosomes is then wrapped into a 30 nm spiral called a solenoid, where additional ...

A new antibody to monoubiquitinated histone H2B (ubH2B) allows chromatin immunoprecipitation (ChIP) from mammalian cells to map ubiquitination patterns across the genome or to follow the ...