The Open PHACTS datasets are highly heterogeneous covering many types of quantitative experimental data measurements to diverse annotations about proteins and chemicals.  There are over 3 billion triples from 12 different data sets. Additionally, the entities in Open PHACTS' data are mapped to a wide variety of identifiers from other data sources.  It contains over 100 million mappings to 49 different datasets.

For more information, see this : What data are in the system exactly?