all three antigens are helper virus-independent and are encoded by the fesv genome , focma , p15 , and p12 antigens cochromatograph as phosphorylated molecules of 85,000 molecular weight ( pp85 ) , adsorb to immunoadsorbant columns prepared with antibodies to feline leukemia virus ( felv ) , and are precipitated with antisera to felv or focma .
C0003241
antibodies
C0020960
antisera