UBC is a dataset comprising entities (Proteins/Drugs) from Uniprot (U), BindingDB (B) and. ChemBL (C). It contains 6,207,654 triples.
Uniprot comprises of 573,227 proteins from SwissProt, which is the subset of manually curated entries within UniProt, including attributes with different modalities like the sequence (567,483 of them), full name, organism, protein family, description of its function, catalytics… See the full description on the dataset page:
https://huggingface.co/datasets/ibm-research/otter_uniprot_bindingdb_chembl.