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ANK Repeats

Protein Motif that contains a 33-amino acid long sequence that often occurs in tandem arrays. This repeating sequence of 33-Amino Acids was discovered in Ankyrin where it is involved in interaction with the anion exchanger (Anion Exchange Protein 1, Erythrocyte). Ankyrin repeats cooperatively fold into domains that mediate molecular recognition via protein-protein interactions.