(A) Centrifuge metagenomics classification analysis. D, dogma; K, kingdom; P, phylum; F, family; G, genus; S, species. (B) BLAST summary. (C) Map of locations of HERV-K113 LR primers. (D) Gel electrophoresis. (E) Conserved domain. The bold letters in the sequence, represent the part of the query sequence that is identical (hit) to the subject (RVT_1).