AT-hook
The AT-hook is a DNA-binding motif present in many proteins , including the high mobility group ( HMG ) proteins , DNA-binding proteins from plants and hBRG1 protein , a central ATPase of the human switching/sucrose non-fermenting ( SWI/SNF ) remodeling complex . 
<triplet> DNA-binding <subj> protein <obj> instance of <subj> protein <obj> instance of