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?