{"rfam": {"acc": "RF00154", "id": "SNORD63", "description": "Small nucleolar RNA SNORD63", "comment": "snoRNA U63 is found in both humans and mice. U63 is a member of the C/D class of snoRNA which contain 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. Although the selection of the target nucleotide requires the antisense element and the conserved box D or D' of the snoRNA, the methyltransferase activity is supposed to reside in one of the protein components [1].", "curation": {"author": "Moxon SJ", "seed_source": "Griffiths-Jones SR, INFERNAL", "num_seed": 23, "num_full": 795, "num_species": 549, "type": "Gene; snRNA; snoRNA; CD-box;", "structure_source": "Predicted; PFOLD"}, "cm": {"build_command": "cmbuild -F CM SEED", "calibrate_command": "cmcalibrate --mpi CM", "search_command": "cmsearch --cpu 4 --verbose --nohmmonly -T 21.00 -Z 2958934 CM SEQDB", "cutoffs": {"gathering": 43.0, "trusted": 43.2, "noise": 42.9}}, "release": {"date": "2026-01-16", "number": "15.1"}, "clan": {"acc": null, "id": null}}}