TABLE 1.

List of SPD-CD40L fusions generated for this publication.

Construct	N-terminus*	Collagen	Coiled coil*	GS linker
Full-length SPD	Yes **	59 repeats (46–222)	Yes **	No
12R Col	Yes	12 repeats (79–114)	Yes	No
12R Col linker	Yes	12 repeats (79–114)	Yes	(GGGS)x3
0R Col	Yes	No	Yes	No
0R Col linker	Yes	No	Yes	(GGGS)x3
6R Col NGly	Yes	12 repeats (79–96)	Yes	No
6R Col	Yes	12 repeats (97–114)	Yes	No
12bisR Col	Yes	12 repeats (121–156)	Yes	No
19R Col	Yes	19 repeats (79–135)	Yes	No
30R Col	Yes	30 repeats (46–135)	Yes	No

*All constructs contained the same human SPD N-terminus and coiled coil and CD40L ectodomain at their C-terminus.

**Numbering according to human SPD (P35247): N-terminus (peptide 22–45) and coiled coil (peptide 223–252).