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hélices alpha


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Bonjour, le professeur Ausseil nous a parlé des liaisons hydrogènes et Van der Walls par rapport aux hélices alpha, mais je n'ai pas bien compris, les liaisons de Vander Walls ne stabilisent pas la structure si ? ce sont les hydrogènes plutôt ? 

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Salut, 

 

Selon le Pr. Ausseil, les AA avec un encombrement stérique faible et non chargés stabilisent une hélice alpha. Et l'hélice tient grâce aux liaisons hydrogènes effectivement 🙂 

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