We found 3 dictionaries that define the word helix-turn-helix motifs:

Medicine (2 matching dictionaries)

1. Medical Dictionary (No longer online)
2. online medical dictionary (No longer online)

Science (1 matching dictionary)

3. Agricultural Thesaurus and Glossary (No longer online)

▸ Words similar to helix-turn-helix motifs ▸ Usage examples for helix-turn-helix motifs ▸ Idioms related to helix-turn-helix motifs ▸ Wikipedia articles (New!) ▸ Words that often appear near helix-turn-helix motifs ▸ Rhymes of helix-turn-helix motifs ▸ Invented words related to helix-turn-helix motifs