| Function | Description |
| omyhomology | Contains data for genes that are homologous to genes in Oncorhynchus mykiss |
| omyhomologyDATA | Genes that are Homologous to Oncorhynchus mykiss |
| omyhomologyHGID | A vector containing all the HomoloGeneIDs for Oncorhynchus mykiss |
| omyhomologyLL2HGID | Mappings between public database ids and NCBI's Internal HomoloGeneIDs for Oncorhynchus mykiss |
| omyhomologyORGCODE | A data frame for mappings between organism scientific names, NCBI code, and three-letter short names for various organisms |
| omyhomologyQC | Quality control information for omyhomology |