<?xml version="1.0" encoding="UTF-8"?> <rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:obo_purl="http://purl.obolibrary.org/obo/" xmlns:owl="http://www.w3.org/2002/07/owl#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:skos="http://www.w3.org/2004/02/skos/core#" xmlns:metadata_def="http://data.bioontology.org/metadata/def/" xmlns:oboinowl_gen="http://www.geneontology.org/formats/oboInOwl#" xmlns:ns0="http://purl.obolibrary.org/obo/so#"> <owl:Class rdf:about="http://purl.obolibrary.org/obo/SO_0000253"> <rdfs:subClassOf rdf:resource="http://purl.obolibrary.org/obo/SO_0002247"/> <skos:notation>SO:0000253</skos:notation> <metadata_def:mappingSameURI rdf:resource="http://purl.obolibrary.org/obo/SO_0000253"/> <metadata_def:mappingLoom>trna</metadata_def:mappingLoom> <metadata_def:prefLabel>tRNA</metadata_def:prefLabel> <rdfs:comment>This term is mapped to MGED. Do not obsolete without consulting MGED ontology.</rdfs:comment> <oboinowl_gen:hasBroadSynonym>INSDC_qualifier:unknown</oboinowl_gen:hasBroadSynonym> <obo_purl:IAO_0000115>Transfer RNA (tRNA) molecules are approximately 80 nucleotides in length. Their secondary structure includes four short double-helical elements and three loops (D, anti-codon, and T loops). Further hydrogen bonds mediate the characteristic L-shaped molecular structure. Transfer RNAs have two regions of fundamental functional importance: the anti-codon, which is responsible for specific mRNA codon recognition, and the 3' end, to which the tRNA's corresponding amino acid is attached (by aminoacyl-tRNA synthetases). Transfer RNAs cope with the degeneracy of the genetic code in two manners: having more than one tRNA (with a specific anti-codon) for a particular amino acid; and 'wobble' base-pairing, i.e. permitting non-standard base-pairing at the 3rd anti-codon position.</obo_purl:IAO_0000115> <oboinowl_gen:hasExactSynonym>INSDC_feature:tRNA</oboinowl_gen:hasExactSynonym> <oboinowl_gen:hasOBONamespace>sequence</oboinowl_gen:hasOBONamespace> <oboinowl_gen:hasDbXref>http://en.wikipedia.org/wiki/TRNA</oboinowl_gen:hasDbXref> <rdfs:label>tRNA</rdfs:label> <oboinowl_gen:id>SO:0000253</oboinowl_gen:id> <oboinowl_gen:hasRelatedSynonym>transfer ribonucleic acid</oboinowl_gen:hasRelatedSynonym> <oboinowl_gen:hasRelatedSynonym>transfer RNA</oboinowl_gen:hasRelatedSynonym> <oboinowl_gen:inSubset rdf:resource="http://purl.obolibrary.org/obo/so#SOFA"/> <ns0:derives_from rdf:resource="http://purl.obolibrary.org/obo/SO_0000210"/> </owl:Class> <rdf:Description 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