Helix-Loop-Helix Motifs

Medical Dictionary -> Helix-Loop-Helix Motifs

Helix-Loop-Helix Motifs


Recurring supersecondary structures characterized by 20 amino acids folding into two alpha helices connected by a non-helical "loop" segment. They are found in many sequence-specific DNA-BINDING PROTEINS and in CALCIUM-BINDING PROTEINS.


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