Table 2. Antibodies Targeting HCV Entry, Their Epitopes, and the Reported IC₅₀.

name	target	epitope	IC50
AR3A172,173	E2	L427, N428, C429, N430, D431, T439, F442, Y443, W529, E531	0.5 nM < 0.002 μM
HC84.26.5D171		W437, F442, Y443, K446	0.0013–0.0082 μMa
AP33153,174		412–423 aa (QLINTNGSWHIN)	0.013–0.69 μMa
K21175	CD81	LEL	56 ± 11 ng/mL
JS81175		LEL	144 ± 43 ng/mL
mAb151176	SRBI	Not determined	0.5 nM
7A5177	CLDN1	M152 (second extracellular loop)	0.23 μg/mL

^aDepending on the HCV variant.