Figure 1

Inhibition of IgG anti-preS1(21–32) reactivity. A diluted serum sample from an anti-preS1 (21–32) reactive patient was preincubated with different concentrations (0.125–8.0 ug/mL) of the synthetic peptide analogue corresponding to the (black circle) 21–32, (black square) 32–47 or (black rhomboid) 94–117 amino acid sequences of preS1 before assaying in the preS1 (21–32) ELISA.