{"public_id":"cl_8ffa1a6378d1103465511b79770ea868","status":"active","superseded_by_public_id":null,"corpus_id":13439469,"text":"The upper mass limit for top-down protein identification was extended to 669 kDa by identifying thyroglobulin.","confidence":0.99,"paper":{"corpus_id":13439469,"title":"Sensitive and Specific Identification of Wild Type and Variant Proteins from 8 to 669 kDa Using Top-down Mass Spectrometry*S","url":"https://sah.borca.ai/papers/13439469"},"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":0.99,"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_4f34ab111e14b202bca013e52247115d","name":"top-down protein identification","description":"The identification of intact proteins using top-down mass spectrometry data and search methods.","types":["analysis approach"],"url":"https://sah.borca.ai/concepts/co_4f34ab111e14b202bca013e52247115d"},{"public_id":"co_8cd69f52e9e23b45c0e7c4065125212a","name":"669 kDa","description":"The reported upper mass limit achieved for top-down protein identification in this work.","types":["mass range"],"url":"https://sah.borca.ai/concepts/co_8cd69f52e9e23b45c0e7c4065125212a"},{"public_id":"co_b056865fea6267fe87dae156cb59d63a","name":"thyroglobulin","description":"A large protein identified here in order to demonstrate the upper mass limit of top-down identification.","types":["protein"],"url":"https://sah.borca.ai/concepts/co_b056865fea6267fe87dae156cb59d63a"}],"related_claims":[],"url":"https://sah.borca.ai/claims/cl_8ffa1a6378d1103465511b79770ea868"}