nonapeptide antigens reflecting either the htlv-iiib/lav-1 neutralization epitope ( iqrgpgraf , designated 3b ) or peptide analogues ( itkgpgrvi , designated rf ; iqrgpgrvi , designated 3b/rf ; itkgpgraf , designated rf/3b ) were previously shown to be able to distinguish antibody populations in a polyclonal response of rabbits to these peptides .
C0003320
antigens
C0003316
epitope