Definition: DNA-binding motifs, first described in one of the HMGA PROTEINS: HMG-I(Y) PROTEIN. They consist of positively charged sequences of nine amino acids centered on the invariant tripeptide glycine-arginine-proline. They act to fasten the protein to an AT RICH SEQUENCE in the DNA.
Other names Motifs, AT-Hook; Motifs, AT Hook; Motif, AT-Hook; Motif, AT Hook; Hooks, AT; Hook, AT; AT-Hook Motif; AT Hook Motifs; AT Hook; AT Hooks; AT Hook Motif