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, Centrifugation 10 min 4°C 11 000 rpm Récupérer le surnageant, Conditions de vitesse du bead-beater : 5,5 m/s pendant 30s

, Agiter doucement les tubes afin d'homogénéiser (20 allers retours) et laisser précipiter overnight

, Jeter le surnageant et laisser sécher le culot. Plus une goutte d'éthanol ne doit être présent (AMA sèche au SpeedVac 15 min 35°C mais si pas l'appareil

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