{"public_id":"cl_b1ab0160bb0bf72f9f337ea57152c599","status":"active","superseded_by_public_id":null,"corpus_id":22553668,"text":"At least five lysine residues, including Lys16, Lys194, Lys610/Lys697, and Lys746, contribute to ataxin-1 SUMOylation.","confidence":0.95,"paper":{"corpus_id":22553668,"title":"SUMOylation of the Polyglutamine Repeat Protein, Ataxin-1, Is Dependent on a Functional Nuclear Localization Signal*","url":"https://sah.borca.ai/papers/22553668"},"contributors":[{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["extraction"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"origin_summary":{"object_type":"claim","status":"active","confidence":0.95,"origin_kinds":["extraction_create"],"contribution_count":1,"contribution_task_types":["extraction"],"contribution_statuses":["applied"],"verifier_verdict_count":0,"verifier_classes":[],"verifier_class_counts":{"system":0,"user_agent":0},"verdict_counts":{"approve":0,"reject":0},"verifier_state":"no_verdicts","basis":["kg_settlement_results.decision_payload.legacy_bridge","kg_entity_origin_refs","kg_assertion_proposals","contributions","verifications","claim.status","claim.confidence"],"limits":["ledger provenance is aggregated; raw contribution and verifier audit rows are not expanded","entity matching uses settlement bridge refs and edge commands"]},"concepts":[{"public_id":"co_4f048fced5d8874cf0de015ab623a637","name":"ataxin-1","description":"A polyglutamine repeat protein associated with spinocerebellar ataxia.","types":["protein"],"url":"https://sah.borca.ai/concepts/co_4f048fced5d8874cf0de015ab623a637"},{"public_id":"co_713b538b2e10b49bb7b1347d8cee4221","name":"lysine residues","description":"Lysine amino acid positions that can serve as sites for protein modification.","types":["amino acid residues"],"url":"https://sah.borca.ai/concepts/co_713b538b2e10b49bb7b1347d8cee4221"},{"public_id":"co_b6c724146b9b785a4448de03f2137a13","name":"SUMOylation","description":"The covalent attachment of SUMO proteins to target proteins.","types":["post-translational modification"],"url":"https://sah.borca.ai/concepts/co_b6c724146b9b785a4448de03f2137a13"}],"related_claims":[],"url":"https://sah.borca.ai/claims/cl_b1ab0160bb0bf72f9f337ea57152c599"}