These databases can be accessed using the Ensembl API. We provide tarballs of the required APIs and the registry files which allow connection to the databases on our ftp site here. You can also get the code directly from Ensembl via CVS.
Currently this instance on two different schemas.
|Database name||Ensembl Schema||Assembly||Release|
|homo_sapiens_%_73_37||73||GRCh37||Phase 1 Integrated Variant set|
The ftp directory also contains schema dumps for the databases in case you wish to setup your own instance of the Ensembl database