Table 1. Env genes integrated in the human genome that are recognized by MSRVenv- and syncytin-1-specific real-time PCR assays.
| Localization HuDNA virionic RNA | Gene length§ | mRNA | Start codons (position) | Stop codons (position) | Proteic products* | Comments |
| MSRVenv primers:a Unknown MSRVenv (AF331500.1)° | 1623 | Yes | 1 (1) | no | 541 | |
| Chromosome Xq22.3 (NT_011786.16) | 1623 | Yes | 2 (1, 196) | 1 (117) | 38, 475 | [88] |
| Chromosome 5q11.2. (NT_006576.16) | 1631 | Yes | no | 30 | no | [70] |
| Chromosome 8p22.1 (NW_001839126.2) | 212 | no | no | 2 | no | |
| Chromosome 10q23 (NT_030059.13) | 168 | no | no | 2 | no | |
| Syncytin-1 primers: b Chromosome 7q21–2 (NM_014590.3) | 1611 | Yes | 1 (1) | no | 537 | ERVW-1env |
a
BLAST program, using as query the MSRVenv amplicon; * amino acids; § nucleotides; ° Accession number; b BLAST program, using as query the syncytin-1 amplicon.