{"id":"W2151537094","doi":"10.1021/ja061984g","title":"Chemical Shift Tensors of Protonated Base Carbons in Helical RNA and DNA from NMR Relaxation and Liquid Crystal Measurements","year":2006,"lang":"en","type":"article","venue":"Journal of the American Chemical Society","topic":"Advanced NMR Techniques and Applications","field":"Chemistry","cited_by":42,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Ottawa","funders":"National Institute of Dental and Craniofacial Research; National Heart, Lung, and Blood Institute; National Institutes of Health","keywords":"Chemistry; Chemical shift; Anisotropy; Relaxation (psychology); Nucleic acid; Nuclear magnetic resonance spectroscopy of nucleic acids; Tensor (intrinsic definition); RNA; Heteronuclear molecule; Nuclear magnetic resonance spectroscopy; Carbon-13 NMR; Protonation; Nuclear magnetic resonance; Crystallography; Computational chemistry; Stereochemistry; Transverse relaxation-optimized spectroscopy; Physical chemistry; Organic chemistry; Fluorine-19 NMR; Geometry; Biochemistry","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":[0.000134854,0.0001367195,0.0003196833,0.00001301723,0.00003679774,0.00001106199,0.0001947575,0.00009385456,0.00001229667],"category_scores_gemma":[0.0001155175,0.0001013419,0.0001663863,0.0001882072,0.0004420334,0.00006366451,0.0001047192,0.0004243829,8.92765e-8],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001440483,"about_ca_system_score_gemma":0.00004227292,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.000226712,"about_ca_topic_score_gemma":0.000002679522,"domain_scores_codex":[0.9988471,0.00001920287,0.0004866398,0.0001790618,0.0003041644,0.0001637844],"domain_scores_gemma":[0.9988906,0.0001054316,0.0006646216,0.0001732326,0.00008650919,0.00007960603],"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":[0.000113479,0.0001318944,0.004464787,0.00001820422,0.00002503069,6.387326e-7,0.00009098415,0.00001452619,0.9947019,0.00001149763,0.0001967493,0.0002303739],"study_design_scores_gemma":[0.000580815,0.00002750621,0.002754082,0.0001143961,0.00003996803,0.00001242398,0.0001180725,0.0003381595,0.9946555,0.001068318,0.0001709982,0.0001197325],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9985848,0.00009567114,0.000171587,0.0008541069,0.000002493673,0.000114084,0.00002524777,0.00001564058,0.0001363523],"genre_scores_gemma":[0.9933003,0.00003463727,0.006426927,0.0000982058,0.00009283955,0.00001821027,0.000005263847,0.00001585645,0.000007721948],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.00625534,"threshold_uncertainty_score":0.4132604,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01224411259524016,"score_gpt":0.2545845008759677,"score_spread":0.2423403882807275,"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."}}