The genomes of ARMAN-4 and ARMAN-5 (roughly 1 Mb as well) have unusually average genes sizes, similar to those seen in endosymbiotic and parasitic bacteria.
Os xenomas de ARMAN-4 e ARMAN-5 (tamén de aproximadamente 1 Mb) teñen xenes dun tamaño medio, similares aos de bacterias endosimbióticas ou parasíticas.