| Function | Description |
| mgu74c | Bioconductor annotation data package |
| mgu74cACCNUM | Map Manufacturer ids to GenBank Accession Numbers |
| mgu74cCHR | Map Manufacturer IDs to Chromosomes |
| mgu74cCHRLENGTHS | A named vector for the length of each of the chromosomes |
| mgu74cCHRLOC | Map Manufacturer IDs to Chromosomal Location |
| mgu74cENZYME | Map Between Manufacturer IDs and Enzyme Commission (EC) Numbers |
| mgu74cENZYME2PROBE | Map Between Enzyme Commission Numbers and Manufacturer Identifiers |
| mgu74cGENENAME | Map Between Manufacturer IDs and Genes |
| mgu74cGO | Map between Manufacturer IDs and Gene Ontology (GO) |
| mgu74cGO2ALLPROBES | Map Between Gene Ontology (GO) Identifiers and all Manufacturer Identifiers |
| mgu74cGO2PROBE | Map Between Gene Ontology (GO) and Manufacturer Identifiers |
| mgu74cLOCUSID | Map between Manufacturer Identifiers and Entrez Gene |
| mgu74cMAP | Map between Manufacturer Identifiers and cytogenetic maps/bands |
| mgu74cORGANISM | The Organism for mgu74c |
| mgu74cPATH | Mappings between probe identifiers and KEGG pathway identifiers |
| mgu74cPATH2PROBE | Map between Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway identifiers and Manufacturer Identifiers |
| mgu74cPMID | Map between Manufacturer Identifiers and PubMed Identifiers |
| mgu74cPMID2PROBE | Map between PubMed Identifiers and Manufacturer Identifiers |
| mgu74cQC | Quality control information for mgu74c |
| mgu74cREFSEQ | Map between Manufacturer Identifiers and RefSeq Identifiers |
| mgu74cSUMFUNC | Map between Manufacturer Identifiers and Gene Function Summaries |
| mgu74cSYMBOL | Map between Manufacturer Identifiers and Gene Symbols |
| mgu74cUNIGENE | Map between Manufacturer Identifiers and UniGene cluster identifiers |