Table 3. MHCI tetramer staining: TCR triplet clusters.

ligand	triplet fraction		$K_{\text{D}}^{\text{TCR}/\text{pMHCI}}\left(\mu \text{M}\right)$
	wild-type	CD8-null
3G	0.993	0.984	3.7 ± 0.28
8Y	0.921	0.733	22.6 ± 2.05
8T	0.882	0.536	27.6 ± 6.71

wild-type: hla-a2; CD8-null: hla-a2 DT227/8KA

K_D for the TCR/pMHCI interaction