{"public_id":"cl_b80c859742734b8f16cbb4e5ea838dc1","status":"active","superseded_by_public_id":null,"corpus_id":20316719,"text":"Chromatography on Sephadex G-100 and DEAE-cellulose purifies cytochrome o and NADH-cytochrome o reductase, but does not separate the reductase activity from the cytochrome; oxygen uptake in purified fractions is associated mainly with NADH-cytochrome o reductase activity.","confidence":0.94,"paper":{"corpus_id":20316719,"title":"Reduced nicotinamide adenine dinucleotide cytochrome o reductase associated with cytochrome o purified from Vitreoscilla. Evidence for an intermediate oxygenated form of cytochrome o.","url":"https://sah.borca.ai/papers/20316719"},"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":0.94,"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_06e8cd3f3e0663bd96f2f21418041b5d","name":"DEAE-cellulose","description":"An ion-exchange chromatography medium used in purification of the cytochrome preparation.","types":["chromatography medium"],"url":"https://sah.borca.ai/concepts/co_06e8cd3f3e0663bd96f2f21418041b5d"},{"public_id":"co_3969282e3e5603668274768320c9d311","name":"Sephadex G-100","description":"A gel filtration chromatography medium used to purify the cytochrome and associated reductase activity.","types":["chromatography medium"],"url":"https://sah.borca.ai/concepts/co_3969282e3e5603668274768320c9d311"},{"public_id":"co_861a6cc4bb9cc8095fb7072ec5eabc67","name":"NADH-cytochrome o reductase activity","description":"An enzymatic activity that transfers electrons from NADH to cytochrome o.","types":["enzyme activity"],"url":"https://sah.borca.ai/concepts/co_861a6cc4bb9cc8095fb7072ec5eabc67"}],"related_claims":[],"url":"https://sah.borca.ai/claims/cl_b80c859742734b8f16cbb4e5ea838dc1"}