Bioconductor annotation packages

• Relies on Bioconductor updates to get latest version

• Different database types from different sources

Biomart

• Web-based tool to access annotations from Ensembl

• Always up to date

• BiomaRt R-package allows use from inside R

Annotation Hub

• Similar to Bioconductor packages

• Huge range of database types and species

• Also relies on maintainers updating verions

Direct downloads

• Latest version from websites eg. Gencode

• Non-model species