Ontology

BTO

BRENDA Tissue Ontology

The Brenda tissue ontology is a structured controlled vocabulary eastablished to identify the source of an enzyme cited in the Brenda enzyme database. It comprises terms of tissues, cell lines, cell types and cell cultures from uni- and multicellular organisms.

anatomycellcell biologydataplantenzymeenzymologyexperimental measurementgenomics
D43

FAIR 44/48

Version 2021-10-26

Evaluated 26 Oct 2026

How scores work

Source & access

Homepagebrenda-enzymes.org Repositorygithub.com DownloadCanonical file / PURL Browse in OLSEMBL-EBI Ontology Lookup ServiceBrowse in BioPortalNCBO BioPortalBrowse in OBO FoundryOBO Foundry registry

Portals & registries

SourceIDVersionClassesPropertiesIndividualsLoaded
OLS (EMBL-EBI)bto2021-10-266,56937025 Oct 2026
TIB Terminology Servicebto2021-10-266,56940014 Jun 2024
OBO Dashboardbto2021-10-266,569——9 Dec 2025

Ontology IRI http://purl.obolibrary.org/obo/bto.owl
Version IRI http://purl.obolibrary.org/obo/bto/releases/2021-10-26/bto.owl

Languages en

Imports from (2)
IAO RO

Reused by (11)
FOODON FYPO OPL ADO BCGO EFO ENM EUPATH GENEPIO NGBO PRIDE

Logical consistency
consistent · 0 unsatisfiable
OWL 2 DL
no
ROBOT report
987 errors · 1,136 warnings · 5 info
OBO principles
FP01FP02FP03FP04FP05FP06FP07FP08FP09FP11FP12FP16FP20
Axioms
50,521 · 0.56% entities reused

Also registered as
aberowl: BTO bioportal: BTO fairsharing: FAIRsharing.1414v8 obofoundry: bto ols: bto ontobee: BTO tib.ts: bto wikidata.entity: Q4836352

Automated evaluation

F Findable FAIR12/12
  • Persistent identifier (F1)purl.obolibrary.org+4
  • Indexed in services (F4)6: OLS, TIB, BioPortal, OBO Foundry, Bioregistry, FAIRsharing+5
  • Citable reference (F2)doi:10.1093/nar/gky1048+3
A Accessible FAIR12/12
  • Homepage reachableHTTP 200+3
  • Artefact retrievable over HTTP(S) (A1)download HTTP 200+6
  • Metadata persists in a registry (A2)OBO Foundry, Bioregistry+3
I Interoperable FAIR10/12
  • Formal machine-readable format (I1)OWL, OBO+5
  • Semantic-web IRIs (I2)OWL, OBO+3
  • References other vocabularies (I3)imports 2: iao, ro+2
R Reusable FAIR10/12
  • Clear license (R1.1)CC BY 4.0+5
  • Release provenance (R1.2)2021-10-26 (version IRI in the artefact)+4
  • Community standards (R1.3)OBO principles: 6/13 checks pass+1
Q Ontology consistency & quality11/20
  • Logical consistencyconsistent, 0 unsatisfiable classes (OBO Dashboard)+10
  • OWL 2 DL profileoutside OWL 2 DL0
  • Upper-ontology alignmentno BFO/COB/DOLCE import found0
  • Standard relations (RO)imports RO+1
  • ROBOT report: no errors987 errors0
  • ROBOT report: warning density1136 warnings / 6569 classes = 0.170
  • Pitfall scan: no critical pitfallsno pitfall scan yet; ROBOT report has 987 errors0
M Maintenance0/16
  • Recency2023-06-20 → 40.2 months (older / unknown)0
  • Release cadence (12 months)0 releases (GitHub releases)0
U Community adoption7/16
  • Documented adopting projects0 projects0
  • Reused by other ontologies11: foodon, fypo, opl, ado, bcgo, efo…+3
  • Community signalmax(stars 7 → 1, citations 387 → 4)+4
P Penalties (inactivity & inconsistency)-19
  • Time since last activity3.3 years → 4 × max(0, 3.3 − 1)-9
  • Inactive statusnot archived, legacy or inactive0
  • Consistencyconsistent, no unsatisfiable classes0
  • ROBOT report errors987 errors-10

FAIR subtotal 44/48 · earned 62/100 − 19 inactivity = 43/100 → grade D

Community adoption 0

No adopting projects documented yet.

Know a project that uses BTO? Suggest it.

History & changes 1 run

History starts with the first archived run; changes appear after the next evaluation.

RunScoreFAIRVersion evaluatedTermsSnapshot
26 Oct 2026, 03:31 UTC43 D442021-10-266,569JSON

Provenance

Every fact on this page was fetched automatically. Each row shows where it came from and when. If a source fails, the last good value is kept and marked “carried forward”.

FactSourceRetrieved
Homepage link check (HTTP 200)brenda-enzymes.org26 Oct 2026, 02:41 UTC
Repository link check (HTTP 200)github.com26 Oct 2026, 02:41 UTC
Download link check (HTTP 200)purl.obolibrary.org26 Oct 2026, 02:41 UTC
Artefact header (version IRI)raw.githubusercontent.com26 Oct 2026, 02:41 UTC
Git refs (commit fcba730, latest tag v2022-10-26)github.com26 Oct 2026, 02:41 UTC
GitHub repository statisticsapi.github.com26 Oct 2026, 02:41 UTC
OLS classes, imports, version & releaseebi.ac.uk26 Oct 2026, 02:41 UTC
OBO Foundry status, license & usagesobofoundry.org26 Oct 2026, 02:37 UTC
TIB Terminology Service metricsservice.tib.eu26 Oct 2026, 02:41 UTC
Bioregistry mappings, dependencies & reusebioregistry.io26 Oct 2026, 02:41 UTC
OBO Dashboard (checked 9 Dec 2025)dashboard.obofoundry.org26 Oct 2026, 02:37 UTC
Crossref citations (doi:10.1093/nar/gky1048)api.crossref.org26 Oct 2026, 02:41 UTC
Crossref citations (doi:10.1093/nar/gku1068)api.crossref.org26 Oct 2026, 02:41 UTC

Run 2026-10-26T02-37-38Z · evaluator v2.0.0 · rubric v3.4 · entry.json · run snapshot

How to cite