| Package | Maintainer | Title | 
|---|---|---|
| mgu74a | Biocore Data Team | Affymetrix Murine Genome U74v2 Annotation Data (mgu74a) | 
| mgu74a.db | Biocore Data Team | Affymetrix Murine Genome U74v2 annotation data (chip mgu74a) | 
| mgu74acdf | Biocore Data Team | mgu74acdf | 
| mgu74aprobe | Biocore Data Team | Probe sequence data for microarrays of type mgu74a |