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| AT-Hook Motifs AT Hook Motifs | AT-Hook Motif | Motif, AT-Hook | Motifs, AT-Hook DNA-binding motifs, first described in one of the HMGA PROTEINS, HMG-I(Y). 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. |