Figure 2.

Percent difference between the complete genomic coding region (4,854 bp) of JCV strains. (A) Differences between three Navaho type 2 strains and the prototypes type 1 (Mad-1) and types 2A (Tokyo-1) and 2B (GS/B). Navaho strains #L-254 and #L-264 were classified as type 2A in the short typing fragment, whereas #L-270 was a type 2C. #L-270 falls into the type 2A group based on its closer relationship to type 2A prototype Tokyo-1 (0.45% difference), than to prototype type 2B strain (1.09% difference). Specimen #L-254 was obtained from a 26-year-old female, #L-264 from a 78-year-old female, and #L-270 from a 63-year-old male. Comparison of the coding region sequences used the gap program. (B) Differences between prototype strains of JCV.