Table 1.

Reactivity of T-cell clones to peptide antigens

Clone	MBPp85–99 sequence	50% maximum,* μM	Proliferation,† Δcpm
Ho.A226	HFFR	12	29,008
	HFFK	—	0
	HYFR	—	0
	HYFK	20	27,292
Hy.152	HFFK	5	7854
	HFFR	—	501
	HYFK	—	1899
	HYFR	15	11,956
3Ob.1	HFFK	2	79,968
	HFFR	—	161
	HYFK	—	1960
	HYFR	5	49,216

^*Peptide concentrations (in μM) that give 50% maximum proliferation of the primary antigen used to generate the T-cell clone. A dash indicates that no concentration of peptide could induce 50% maximal proliferation. 

^†cpm ([³H]thymidine incorporation) at 50 μM peptide.