{"rfam": {"acc": "RF00559", "id": "L21_leader", "description": "Ribosomal protein L21 leader", "comment": "This family is a putative r-protein leader autoregulatory structure [1] found in B. subtilis and other low-GC Gram-positive bacteria. It is located in the 5' untranslated regions of mRNAs encoding ribosomal protein L21, a protein of unknown function, and ribosomal protein L27 (rplU-ysxB-rpmA).", "curation": {"author": "Barrick JE, Moy RH", "seed_source": "Predicted; CMFinder, Barrick JE, Moy RH", "num_seed": 38, "num_full": 929, "num_species": 965, "type": "Cis-reg; leader;", "structure_source": "Predicted; CMFinder, Barrick JE, Moy RH"}, "cm": {"build_command": "cmbuild -F CM SEED", "calibrate_command": "cmcalibrate --mpi CM", "search_command": "cmsearch --cpu 4 --verbose --nohmmonly -T 28.12 -Z 2958934 CM SEQDB", "cutoffs": {"gathering": 36.0, "trusted": 36.0, "noise": 35.9}}, "release": {"date": "2026-01-16", "number": "15.1"}, "clan": {"acc": null, "id": null}}}