The latest release of the UniProt protein database contains just over a
billion triples*! PRESS RELEASE :-)
The data is all available via the (Semantic or otherwise) Web:
...or can be bulk-downloaded from:
* Counting some reification statements, and assuming no overlap between
P.S. This should be the last you'll hear from me on this topic -- I'm off
to new adventures...
I surely hope this is not the last we hear of this huge RDF collection.