{"rfam": {"acc": "RF00300", "id": "snoZ221_snoR21b", "description": "Small nucleolar RNA Z221/R21b", "comment": "Z221 is a member of the C/D class of snoRNA which contain the C (UGAUGA) and D (CUGA) box motifs. Most of the members of the box C/D family function in directing site-specific 2'-O-methylation of substrate RNAs [1].", "curation": {"author": "Moxon SJ, Wilkison A, Daub J", "seed_source": "Moxon SJ, Wilkison A, Daub J", "num_seed": 12, "num_full": 588, "num_species": 222, "type": "Gene; snRNA; snoRNA; CD-box;", "structure_source": "Predicted; WAR; Wilkinson A"}, "cm": {"build_command": "cmbuild -F CM SEED", "calibrate_command": "cmcalibrate --mpi CM", "search_command": "cmsearch --cpu 4 --verbose --nohmmonly -T 26.89 -Z 2958934 CM SEQDB", "cutoffs": {"gathering": 44.0, "trusted": 44.1, "noise": 43.9}}, "release": {"date": "2026-01-16", "number": "15.1"}, "clan": {"acc": null, "id": null}}}