Figure 1. Alignment of LTR Promoter and Enhancer Sequences in Representative Isolates of Subtypes B, C, and E.
Sequence variation within the NF-κβ/NFATp, SP1, and TATA box regions that distinguish the C and E subtypes from the B subtype are indicated in the boxes. Sequences were aligned and analyzed by using ClustalW (http://www.ebi.ac.uk/clustalw).