... Variola virus, Asfarvirus, eukaryotic DNA polymerase α and δ catalytic subunits, and archaeal DNA polymerase I. Intein containing genes are indicated by bold letters in the figure. Numbers in ... Hirata R, Ohsumk Y, Nakano A, Kawasaki H, Suzuki K, Anraku Y:Molecular structure of a gene, VMA1, encoding the catalyticsubunit of H(+)-translocating adenosine triphosphatasefrom vacuolar ... comm.), andan intein in a golden brown alga-infecting virus HaV of the Phycodnaviridae [24]. Given the similar base composi-tions of Mimivirus intein and extein, the low level of intein homology...