InterPro domain: IPR040501

This is the second winged helix domain can be found in TFA2 proteins present in Saccharomyces cerevisiae. In form 2, the domain interacts directly with Rad3, a DNA helicase [ 1 ].

1. Structure of an RNA polymerase II preinitiation complex. Proc. Natl. Acad. Sci. U.S.A. 112, 13543-8