Conservation denotes the percentage of residues that match that of the rCRS among selected species. A query variant is depicted in isolation (i.e., other variants in a test sequence are not shown) and is flanked by rCRS reference for clarity.
| Species | -5 | -4 | -3 | -2 | -1 | 0 | +1 | +2 | +3 | +4 | +5 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Variant at rCRS pos 7497 (locus pos 52) of S(UCN) (light strand) | C | C | C | A | T | A | G | C | C | T | C |
| Homo sapiens (rCRS) | C | C | C | A | T | G | G | C | C | T | C |
| Alligator mississippiensis | C | G | C | A | A | T | A | C | C | A | C |
| Artibeus jamaicensis | A | T | C | A | T | A | A | C | C | A | T |
| Balaenoptera musculus | A | T | C | A | T | A | A | C | C | A | C |
| Balaenoptera physalus | A | T | C | A | T | A | A | T | T | A | C |
| Bos taurus | A | T | C | A | T | A | A | C | C | T | C |
| Canis lupus familiaris | G | T | C | A | T | A | A | C | C | A | T |
| Cebus albifrons | C | C | C | A | T | A | G | A | C | C | C |
| Ceratotherium simum | A | T | C | A | T | A | G | C | C | T | T |
| Cyprinus carpio | C | A | C | A | T | A | A | C | C | A | C |
| Dasypus novemcinctus | T | C | C | A | T | A | A | C | C | T | C |
| Didelphis virginiana | C | C | C | A | T | A | A | C | C | C | T |
| Drosophila melanogaster | T | G | C | T | T | T | C | A | A | G | C |
| Equus asinus | A | T | C | A | T | A | A | C | C | A | C |
| Equus caballus | A | T | C | A | T | A | A | C | C | A | C |
| Erinaceus europaeus | C | T | T | A | T | A | A | C | C | A | C |
| Felis catus | G | C | C | A | T | A | A | C | C | A | T |
| Gallus gallus | C | G | C | A | T | A | A | C | C | A | C |
| Glis glis | C | C | T | A | T | A | A | C | C | T | T |
| Gorilla gorilla | C | C | C | A | T | G | A | C | C | T | T |
| Halichoerus grypus | A | C | C | A | T | A | A | C | C | C | T |
| Hippopotamus amphibius | A | T | C | A | T | A | A | C | C | A | C |
| Hylobates lar | C | C | C | A | T | A | A | C | C | T | C |
| Loxodonta africana | T | C | T | A | T | A | A | C | C | T | T |
| Macaca sylvanus | C | T | T | A | T | A | A | C | C | C | T |
| Macropus robustus | C | C | C | A | T | A | A | C | C | T | C |
| Mus musculus | C | T | C | A | T | A | T | C | C | T | A |
| Nycticebus coucang | C | C | C | A | T | A | A | C | C | C | C |
| Ornithorhynchus anatinus | C | T | C | A | C | T | A | C | C | A | T |
| Oryctolagus cuniculus | C | C | C | A | T | A | G | C | C | A | C |
| Ovis aries | A | C | C | A | T | A | G | C | C | A | C |
| Pan paniscus | C | C | C | A | T | G | A | C | C | C | C |
| Pan troglodytes | C | C | C | A | T | G | A | C | C | T | C |
| Papio hamadryas | C | T | T | A | T | A | G | C | C | C | C |
| Phoca vitulina | A | C | C | A | T | A | A | C | C | C | T |
| Pongo abelii | C | C | C | A | C | A | A | C | C | T | C |
| Pongo pygmaeus | C | C | C | A | T | A | A | C | C | C | C |
| Rattus norvegicus | T | T | C | A | T | A | A | C | C | A | T |
| Rhinoceros unicornis | A | T | C | A | T | A | A | C | C | T | C |
| Sciurus vulgaris | C | C | C | A | T | A | A | C | C | A | T |
| Sus scrofa | G | T | C | A | T | A | A | C | C | A | C |
| Talpa europaea | C | T | C | A | T | A | A | C | C | A | C |
| Tarsius bancanus | C | T | C | A | T | A | A | C | C | A | C |
| Vicugna pacos | C | C | C | A | T | A | G | C | C | A | C |
| Xenopus laevis | T | G | C | A | T | C | A | C | C | A | C |