Table 1. PCR primer sequences and length of amplification product.

Gene	Allele	Sequence 5′-3′	Control primer
CTLA4	−318C	CACTTAGTTATCCAGATCCTC	TGCCAAGTGGAGCACCCA A
	−318T	CACTTAGTTATCCAGATCCTT	GCATCTTGCTCTGTGCAGAT
	49A	CAGGGCCAGGTCCTGGT
	49G	CAGGGCCAGGTCCTGGC	Product 745 basepairs
		Product 402 basepairs