(a) XMRV Viral Lysate
(b) Recombinant gp70
Figure 2: WB analysis of gp70 CMIA reactive samples with (a) native XMRV viral proteins and (b) recombinant gp70. WB strip key: 1 & 2: gp70 reactive samples 137 and 138; 3: normal blood donor plasma as negative control; 4: XMRV-infected macaque plasma as positive control. The faint white band in the 65–70 kd region in (B, strips no. 1–3) indicates a lack of specific anti-gp70 antibody.