Table 2. Effects of anti-V3 antibodies on PPRcr or 34TF10 SU-Fc binding to HSPG in G355-5 cells.

Antibodies	Recognition Epitopes	Inhibition
		PPRcr	34TF10
SU1-5	RPDFESEKVK	–	–
SU1-7	conformation dependent	+	+
SU1-10	RPDFESEKVK	–	–
SU1-30	WRQKNRWEWR	+	+
SU2-4	QKNRWEWRPDF	+	+
SU2-5	RWEWRPDFES	+	+
SU2-10	NRWEWRPDF	+	+

Percent inhibition was calculated as previously described and are expressed as: “+”  = 15–30%; and “–”  = 0–15%. All antibodies (initialed with SU) were used at 50 µg/ml as final concentration. Bold and underline amino acid residue is critical for recognition.