P53 tumor suppressor DNA-binding domainPDB ID: 1TUP
p53 tumor suppressor is a transcription factor that mobilizes genes involved in sensing and responding to cell damage. It is a large, flexible molecule composed of four chains. This structure includes the portion that binds to DNA.
Crystal structure of a p53 tumor suppressor-DNA complex: understanding tumorigenic mutations.
Cho, Y., Gorina, S., Jeffrey, P.D., Pavletich, N.P.
Journal: (1994) Science 265: 346-355