H_ACA_box_snoRNA_gene pseudouridylation_guide_snoRNA_gene pseudouridylation guide snoRNA gene sequence evan A gene that codes for pseudouridylation_guide_snoRNA. A snoRNA that specifies the site of pseudouridylation in an RNA molecule by base pairing with a short sequence around the target residue. 2021-11-19T05:51:40Z SO:0002380 Added at the request of Steven Marygold. See GitHub Issue #519 (https://github.com/The-Sequence-Ontology/SO-Ontologies/issues/519).