The authors created a useful collection of Rep protein variants with changes that alter the amino acid sequence, but these did not lead to clear improvements in how the virus worked. Instead, their ...

Cohesin is a protein that forms a ring-shaped complex which wraps and alters the DNA molecule shape. It moves through the DNA ...

A protein called PriC allows DNA replication to proceed in Escherichia coli when the complex that usually initiates this process is compromised.