| Function | Description |
| osahomology | Contains data for genes that are homologous to genes in Oryza sativa |
| osahomologyDATA | Genes that are Homologous to Oryza sativa |
| osahomologyHGID | A vector containing all the HomoloGeneIDs for Oryza sativa |
| osahomologyLL2HGID | Mappings between public database ids and NCBI's Internal HomoloGeneIDs for Oryza sativa |
| osahomologyORGCODE | A data frame for mappings between organism scientific names, NCBI code, and three-letter short names for various organisms |
| osahomologyQC | Quality control information for osahomology |