Table 1.

SAXS, MALS, and SPR experimental parameters

	mAbs (#)	Rg (Å)	Dmax	MW MALS/SAXS (kDa)	KD mAbs/+HRP (pM)
+NPNTD	1	52.9±0.5	165	193/177	1.3/11
	2	52.5±0.5	160	190/173	190
	3	47.8±0.4	145	152/145
	4	54.1±0.5	180	184/170	28-Nov
	5	47.7±0.6	145	162/141
	6	46.8±0.4	145	154/144
	7	47.5±0.4	145	152/143
	8	52.0±0.4	175	184/160
	9	47.7±0.4	150	170/144
free mAbs	1	46.7±0.3	145	158/157
	2	45.6±0.3	140	150/147
	4	50.0±0.3	155	150/167
No-pair	1–4 +NPNTD	53.2±0.5	180	190/169
Pair	1–2 +NPNTD	73.9±0.9	~300	380/397
	2–4 +NPNTD	67.6±0.6	~280	340/320