>d1lcsb_ b.20.1.1 (B:) FLV receptor-binding domain {Feline leukemia virus, strain b/lambda-b1 [TaxId: 11768]} phqvynvtwtitnlvtgtkanatsmlgtltdafptmyfdlcdiigntwnpsdqepfpgyg cdqpmrrwqqrntpfyvcpghanrkqcggpqdgfcavwgcettgetywrptsswdyitvk kgvtqgiyqcsgggwcgpcydkavhssttgaseggrcnplilqftqkgrqtswdgpkswg lrlyrsgydpialfsvsrqvmtitp