Table 1. Stoichiometry (N) and dissociation constant (K_d) obtained by ITC for the binding of nTBP-CTPR2n proteins to hTNKS2 ARC4. For each protein, the values listed are from two independent experiments.

Protein	Stoichiometry (N)	K d (μM)
1TBP-CTPR2	1.01 ± 0.03	14.68 ± 0.99
	0.90 ± 0.02	12.80 ± 1.10
2TBP-CTPR4	2.18 ± 0.02	11.89 ± 0.26
	2.05 ± 0.01	18.59 ± 0.39
3TBP-CTPR6	2.72 ± 0.03	5.62 ± 0.21
	2.77 ± 0.02	20.12 ± 0.39
4TBP-CTPR8	3.38 ± 0.01	13.61 ± 0.19
	2.91 ± 0.03	15.48 ± 0.43