FIG. 4.

Flow cytometry analysis of MAb binding to GPI anchor-negative and GPI anchor-positive cells. MAbs were assayed for binding to LD⁻ and tLD⁻ cells by flow cytometry, as described in Materials and Methods. Data presented are the percent of positive cells. The open bars represent LD⁻ cells (GPI anchor negative), and the shaded bars represent tLD⁻ cells (GPI anchor positive).