| Function | Description |
| drosophila2 | Bioconductor annotation data package |
| drosophila2ACCNUM | Map Manufacturer ids to GenBank Accession Numbers |
| drosophila2CHR | Map Manufacturer IDs to Chromosomes |
| drosophila2CHRLOC | Map Manufacturer IDs to Chromosomal Location |
| drosophila2ENZYME | Map Between Manufacturer IDs and Enzyme Commission (EC) Numbers |
| drosophila2GENENAME | Map Between Manufacturer IDs and Genes |
| drosophila2GO | Map between Manufacturer IDs and Gene Ontology (GO) |
| drosophila2GO2ALLPROBES | Map Between Gene Ontology (GO) Identifiers and all Manufacturer Identifiers |
| drosophila2GO2PROBE | Map Between Gene Ontology (GO) and Manufacturer Identifiers |
| drosophila2LOCUSID | Map between Manufacturer Identifiers and Entrez Gene |
| drosophila2MAP | Map between Manufacturer Identifiers and cytogenetic maps/bands |
| drosophila2ORGANISM | The Organism for drosophila2 |
| drosophila2PATH | Mappings between probe identifiers and KEGG pathway identifiers |
| drosophila2PMID | Map between Manufacturer Identifiers and PubMed Identifiers |
| drosophila2PMID2PROBE | Map between PubMed Identifiers and Manufacturer Identifiers |
| drosophila2QC | Quality control information for drosophila2 |
| drosophila2REFSEQ | Map between Manufacturer Identifiers and RefSeq Identifiers |
| drosophila2SUMFUNC | Map between Manufacturer Identifiers and Gene Function Summaries |
| drosophila2SYMBOL | Map between Manufacturer Identifiers and Gene Symbols |
| drosophila2UNIGENE | Map between Manufacturer Identifiers and UniGene cluster identifiers |