{"id":"W2026577299","doi":"10.1007/s00775-009-0480-1","title":"Characterization of a modified nitrogenase Fe protein from Klebsiella pneumoniae in which the 4Fe4S cluster has been replaced by a 4Fe4Se cluster","year":2009,"lang":"en","type":"article","venue":"JBIC Journal of Biological Inorganic Chemistry","topic":"Metalloenzymes and iron-sulfur proteins","field":"Energy","cited_by":28,"is_retracted":false,"has_abstract":false,"ca_institutions":"University of Saskatchewan; Université de Montréal","funders":"National Institute of General Medical Sciences; Biotechnology and Biological Sciences Research Council","keywords":"Chemistry; Nitrogenase; Azotobacter vinelandii; Extended X-ray absorption fine structure; Crystallography; Cluster (spacecraft); Ferredoxin; Absorption spectroscopy; Biochemistry; Enzyme; Nitrogen fixation; Nitrogen; Organic chemistry","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0006926327,0.0003174494,0.0006506436,0.00004225445,0.00008100507,0.00006974604,0.0006204284,0.0004701137,0.0005279797],"category_scores_gemma":[0.0004564814,0.0001945911,0.0002140577,0.0003636103,0.0001179926,0.0001314985,0.0001161282,0.0007444186,0.00000859233],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001141796,"about_ca_system_score_gemma":0.0001165747,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00009162681,"about_ca_topic_score_gemma":0.00002084728,"domain_scores_codex":[0.9973986,0.0002750058,0.001241451,0.000356936,0.0003455255,0.0003825132],"domain_scores_gemma":[0.9981512,0.0001189912,0.0009706558,0.0004558682,0.0001426113,0.0001606607],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.0005439487,0.0003205978,0.0002032651,0.0000195929,0.00006183796,0.00001491318,0.0001982507,0.00003237189,0.9975536,0.00002803794,0.0002231176,0.0008004438],"study_design_scores_gemma":[0.002949329,0.0003501568,0.002695446,0.0001403248,0.00004116182,0.00007846865,0.0001004303,0.0004521163,0.9882975,0.001008625,0.003595908,0.0002904856],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9926014,0.0003658921,0.0002214654,0.006038755,0.00005437635,0.000333472,0.00004341229,0.00002025759,0.0003209609],"genre_scores_gemma":[0.9983576,0.00009346994,0.00008416286,0.0006725554,0.0002978719,0.00001152955,0.00009404907,0.00002092343,0.0003678407],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.009256074,"threshold_uncertainty_score":0.7935197,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01796153710953863,"score_gpt":0.2222981860964776,"score_spread":0.2043366489869389,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}