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. 2020 Nov 12;11:583361. doi: 10.3389/fmicb.2020.583361

FIGURE 2.

FIGURE 2

Phylogeny and structure of 3173 PolA-like proteins. Maximum-likelihood phylogeny of near full-length 3173 PolA-like proteins, with bootstrap values above 70% from 1,000 pseudoreplicates indicated. OCT, Oct or OS, Octopus Spring; Conch, Conch Spring; Bath, Bath Spring; Bechler, Bechler Spring; BlackPool, Black Pool; GBS, Great Boiling Spring; SSW, Sandy’s Spring West; LHC, Little Hot Creek; JC, Joseph’s Coat Spring; Calcite, Calcite Spring. The presence of helicase, exonuclease, and polymerase domains are indicated, where known, and whether these domain forms part of the polyprotein. The exonuclease and polymerase domains of AJCSV and ACSV are present and fused as a single ORF. The scale bar indicates the number of amino acid changes per site. Taxa indicated in bold represent contigs obtained from metagenomes, while the representative UViG of species group is colored in the corresponding color.