Table 2. Summary of reversion within CTL epitopes following transmission in the presence or absence of the selecting HLA type.

PID	Days PI	Optimal epitope a	Restricting HLA	HLA-association b
AS2–0016		EWDRLHPVHAGPIAPGQMR	B*42	+
	14	....T..............
	463	...................
		MQMLKDTINEEAAEWDRLHP	B*57	−
	14	.................T..
	463	....................
AS2–0341		MVHQAISPRTLNAWVKVIE	B*57/B*58	+
	14	....P..............
	342	...................
		LQGQMVHQAISPRTLNAWVK	B*1510	−
	14	........P...........
	342	....................
		SQNYPIVQNLQGQMVHQAI	C*16	−
	14	.................P.
	342	...................
AS2–1037		GTEELRSLYNTVATLYCVHEK	A*3002	−
	34	........F..T.......AR
	321	.....................
		EELRSLYNTVATLYCVHEK	A*29	−
	34	......F..T.......AR
	321	...................
		TEELRSLYNTVATLYCVHE	A*02	−
	34	.......F..T.......A
	321	...................

aBold residues denotes known CTL escape mutation

b(+): presence of HLA-association, (−): absence of previously identified HLA association

Underlining denotes the CTL epitope in the peptide sequence