FIG 1.

Binding of ArtB to cells. Vero cells, U937 cells, HBMECs, and CHO cells were incubated with or without DyLight 488-labeled ArtB (10 μg/ml) for 60 min at 4°C and examined by flow cytometry, as described in Materials and Methods. Data are mean fluorescence intensities derived from 10,000 cell counts; data are representative of results from two independent experiments.