| Function | Description |
| ptrhomology | Contains data for genes that are homologous to genes in Pan troglodytes |
| ptrhomologyDATA | Genes that are Homologous to Pan troglodytes |
| ptrhomologyHGID | A vector containing all the HomoloGeneIDs for Pan troglodytes |
| ptrhomologyLL2HGID | Mappings between public database ids and NCBI's Internal HomoloGeneIDs for Pan troglodytes |
| ptrhomologyORGCODE | A data frame for mappings between organism scientific names, NCBI code, and three-letter short names for various organisms |
| ptrhomologyQC | Quality control information for ptrhomology |