Atlas One · Host Biology · Scale 03 — Molecular

BAP1

BAP1 (BRCA1-associated protein 1) is a nuclear deubiquitinase that removes H2AK119 ubiquitin → opposes PRC1 repression; germline BAP1 mutations cause BAP1 tumor predisposition syndrome (mesothelioma, uveal melanoma, ccRCC); somatic BAP1 loss in ~50-60% of mesothelioma.

Also known as: BAP1, BRCA1-associated protein 1, BAP1 tumor predisposition syndrome, BAP1-TPDS, BAP1 mesothelioma, BAP1 uveal melanoma, BAP1 deubiquitinase, H2AK119 BAP1, PR-DUB complex

Scale 03 — MolecularScale
draftStatus
2026-06-06Last Reviewed
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bap1

BAP1

BAP1 (BRCA1-associated protein 1) is a nuclear deubiquitinase that removes H2AK119 ubiquitin → opposes PRC1 repression; germline BAP1 mutations cause BAP1 tumor predisposition syndrome (mesothelioma, uveal melanoma, ccRCC); somatic BAP1 loss in ~50-60% of mesothelioma.