FACS analysis of K562/pBp and K562/B3 clone 1. All data are from Table 1, day 1. Antibodies used in each histogram were (1) BRIC 6, anti–band 3; (2) BRIC 14, anti-Wr^b; (3) BRIC 201, anti-Wr^b; (4) R10, anti-GPA; (5) R18, anti-GPA; (6) BRIC 4, anti-GPC; (7) BRIC 69, anti-Rh30; (8) LA18.18, anti-RhGP; (9) BS46, anti-LW; (10) BRIC 126, anti-CD47, and (11) CBC-512, anti-Fy3. GPA, glycophorin A; GPC, glycophorin C; Rh30, Rh polypeptides; RhGP, Rh glycoprotein.