FIG. 5.

Comparison of V1 sequences of envelope clones that emerged during the in vivo passages (P1 to P4) to obtain SIV₈₉₈₀, from which the molecular clone SIV_F359 was derived, and V1 sequences of the viral variants (CL1 to CL12) which were present in the original SIV_B670 inoculum (62, 64).