BCR capping in INPP5BDegron/Degron cells. Related to Fig. 1 B. Vehicle- or auxin-treated INPP5BDegron/Degron cells stimulated with Texas Red–conjugated anti-IgM antibody were imaged using time-lapse spinning disc confocal microscopy. The video is displayed at 20 frames/s. Scale bar, 10 μm.