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Protein Ontology Linked Open Data

Data Dumps

Release 73.0 (2026-07-01)
(see VoID.ttl for Dataset descriptions. Previous releases can be found here). The statistics for PRO database can be found at here.
Dataset RDF Metrics (Virtuoso)
Named Graph Triples Classes Entities Subjects Predicates Objects
pro <http://purl.obolibrary.org/obo/pr> 12,599,988 8 2,110,874 2,373,451 52 3,256,882
paf <http://pir.georgetown.edu/pro/paf> 82,421 4 7,344 17,474 22 27,766
pro-ensembl-closeMatch-linkset <https://lod.proconsortium.org/ensembl-closeMatch> 208 1 53 53 4 103
pro-ensemblbacteria-closeMatch-linkset <https://lod.proconsortium.org/ensemblbacteria-closeMatch> 2,724 1 491 491 4 1,357
pro-hgnc-closeMatch-linkset <https://lod.proconsortium.org/hgnc-closeMatch> 73,864 1 18,781 18,781 4 36,303
pro-mgi-closeMatch-linkset <https://lod.proconsortium.org/mgi-closeMatch> 64,293 1 16,370 16,370 4 31,552
pro-ncbigene-closeMatch-linkset <https://lod.proconsortium.org/ncbigene-closeMatch> 11,414 1 2,341 2,341 4 5,654
pro-reactome-closeMatch-linkset <https://lod.proconsortium.org/reactome-closeMatch> 67,768 1 12,080 12,080 4 33,598
pro-reactome-exactMatch-linkset <https://lod.proconsortium.org/reactome-exactMatch> 94,771 1 17,131 17,131 5 33,193
pro-rgd-closeMatch-linkset <https://lod.proconsortium.org/rgd-closeMatch> 30,759 1 7,813 7,813 4 15,132
pro-sgd-closeMatch-linkset <https://lod.proconsortium.org/sgd-closeMatch> 5,222 1 1,325 1,325 4 2,572
pro-uniprotkb-closeMatch-linkset <https://lod.proconsortium.org/uniprotkb-closeMatch> 390,796 1 57,596 57,596 4 181,380
pro-uniprotkb-exactMatch-linkset <https://lod.proconsortium.org/uniprotkb-exactMatch> 947,965 1 197,202 197,202 5 314,277
pro-uniprotkbvar-closeMatch-linkset <https://lod.proconsortium.org/uniprotkbvar-closeMatch> 1,003 1 41 41 4 500
pro-uniprotkbvar-exactMatch-linkset <https://lod.proconsortium.org/uniprotkbvar-exactMatch> 2,263 1 463 463 5 875
pro-wormbase-closeMatch-linkset <https://lod.proconsortium.org/wormbase-closeMatch> 2,461 1 623 623 4 1,216
void <https://sparql.proconsortium.org/.well-known/void> 2,368 7 74 292 63 610

SPARQL queries used to calculate statistics can be found here.


Dataset File Name Format File Size (Bytes) MD5
pro.owl pro.owl application/rdf+xml 1,279,416,464 8cc522688b81126fba2a8041958ab9f1
pro pro.ttl text/turtle 729,258,429 1ff29cba68fef72d640aa0d44947cc60
paf.rdf paf.rdf application/rdf+xml 10,676,735 1bd22e88e238088a574da9b66d433c2d
paf paf.ttl text/turtle 2,691,422 0d70ae0f86e8b3f4674c323114d6a46d
pro-ensembl-closeMatch-linkset pro-ensembl-closeMatch-linkset.ttl text/turtle 10,960 ac4d1c7fadbb62530553ae6beba9dd1e
pro-ensemblbacteria-closeMatch-linkset pro-ensemblbacteria-closeMatch-linkset.ttl text/turtle 143,234 3411a3cf84c13606947ec5393e0145ed
pro-hgnc-closeMatch-linkset pro-hgnc-closeMatch-linkset.ttl text/turtle 3,472,150 7e59b0541ef45bde33d602f846f6b711
pro-mgi-closeMatch-linkset pro-mgi-closeMatch-linkset.ttl text/turtle 3,058,076 a8968de68750536dda386825a8135aa6
pro-ncbigene-closeMatch-linkset pro-ncbigene-closeMatch-linkset.ttl text/turtle 571,121 8d8341aaf83bc44db7ca9f7318e651ff
pro-reactome-closeMatch-linkset pro-reactome-closeMatch-linkset.ttl text/turtle 3,628,574 d42a0901ddc16f29e68263db11335907
pro-reactome-exactMatch-linkset pro-reactome-exactMatch-linkset.ttl text/turtle 5,098,556 33bce18e81a86a1c699cd16f9a23cc8d
pro-rgd-closeMatch-linkset pro-rgd-closeMatch-linkset.ttl text/turtle 1,452,189 fc5155de4e743dbe61c0c624732c58d2
pro-sgd-closeMatch-linkset pro-sgd-closeMatch-linkset.ttl text/turtle 260,274 3a5db2e730929d9e241ea0739d61ce75
pro-uniprotkb-closeMatch-linkset pro-uniprotkb-closeMatch-linkset.ttl text/turtle 19,975,882 f166787be2de81dd2e18177dc412c019
pro-uniprotkb-exactMatch-linkset pro-uniprotkb-exactMatch-linkset.ttl text/turtle 48,544,581 c2718c842947e8823f33d36cb43a2c48
pro-uniprotkbvar-closeMatch-linkset pro-uniprotkbvar-closeMatch-linkset.ttl text/turtle 57,694 dd61fb2e1d532d4bdd5d69110834de9a
pro-uniprotkbvar-exactMatch-linkset pro-uniprotkbvar-exactMatch-linkset.ttl text/turtle 134,825 127e917afcca1c79e0d260d148eee670
pro-wormbase-closeMatch-linkset pro-wormbase-closeMatch-linkset.ttl text/turtle 133,776 fcbea0a6a5648bac1be4b1f0b05708d6
void.rdf void.rdf application/rdf+xml 517,046 fc6ac3734a7e250c45e3cf6bfaaac87a
void void.ttl text/turtle 154,507 112521f256a9fa3c3bcf787a77694733