| Package | Maintainer | Title | 
|---|---|---|
| mgu74b | Biocore Data Team | Affymetrix Murine Genome U74v2 Annotation Data (mgu74b) | 
| mgu74b.db | Biocore Data Team | Affymetrix Murine Genome U74v2 annotation data (chip mgu74b) | 
| mgu74bcdf | Biocore Data Team | mgu74bcdf | 
| mgu74bprobe | Biocore Data Team | Probe sequence data for microarrays of type mgu74b |