MultiDb-class           MultiDb and OrganismDb objects
makeOrganismDbFromBiomart
                        Make a OrganismDb object from annotations
                        available on a BioMart database
makeOrganismDbFromTxDb
                        Make an OrganismDb object from an existing TxDb
                        object.
makeOrganismDbFromUCSC
                        Make a OrganismDb object from annotations
                        available at the UCSC Genome Browser
makeOrganismPackage     Making OrganismDb packages from annotation
                        packages.
mapToTranscripts,ANY,MultiDb-method
                        Map range coordinates between transcripts and
                        genome space
transcripts,MultiDb-method
                        Extract genomic features from an object