Preferred Term:
helix-loop-helix motifs
Definition:
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.
Concept Schemes:
NALT Full
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URI:
https://lod.nal.usda.gov/nalt/7760
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RDF/XMLCreated 2006-01-19, last modified 2013-01-14
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