FIG 4.

MTIV genomes. The two assembled viral genomes, MTIV1 and MTIV2, are 89% identical at the nucleotide level. (A) The nucleotide differences between MTIV1 and MTIV2 are located at the ends of the genomes (black bars). (B and C) Each strain encodes 21 predicted ORFs, which are represented by filled colored arrows. (B) MTIV1; (C) MTIV2. Only two ORFs with significant similarity to known proteins were identified in each genome (b76 and b79 [blue]) (see the text). Virion structural proteins were identified by mass spectrometry and are color-coded green. Both MTIV1 and MTIV2 genomes are capped with inverted terminal repeats (pink).