Table 2.

Disulfide linkages in CSA-binding DBL domains

	Strain and DBL domain	Disulfide linkages based on A4 DBL 3X	Additional predicted disulfides	Likely free cystein(s)
	A4 3X crystal structure	8	-	None
1	3D7 3X	7	-	2 (C1212, C1558)
2	3D7 2X	4	C793 and C920	10 (C540, C543, C592, C732, C733, C786, C797, C815, C855, C901)
3	A4 2X	3	C795 and C910 C817 and C877	9 (C544, C547, C599, C617, C734, C788, C799, C807, C929)
4	3D7 5ε	3	C2004 and C2041	2 (C1995, C2165)
5	A4 5ε	3	C2010 and C2047	2 (C2001, C2171)
6	3D7 6ε	3	-	7 (C2334, C2385, C2480, C2539, C2602, C2604, C2625)
7	A4 6ε	3	-	8 (C2331, C2383, C2478, C2493, C2535, C2597, C2599, C2628)