Table 1.
Homology between hB7x and other members of the B7 family
| HB7x1 (%) | |
| B7-1 | 12 |
| B7-2 | 13 |
| B7h | 16 |
| PD-L1 | 18 |
| PD-L2 | 18 |
| B7-H3 | 24 |
hB7x, human B7x; PD-L, programmed death-ligand.
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