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The Sequence Types and Features Ontology (SO) is downloaded weekly from the SourceForge CVS repository at For more information about this ontology, see the Sequence Ontology Home Page at

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Accession:SO:0000380 term browser browse the term
Definition:A small catalytic RNA motif that catalyzes self-cleavage reaction. Its name comes from its secondary structure which resembles a carpenter's hammer. The hammerhead ribozyme is involved in the replication of some viroid and some satellite RNAs.
Synonyms:exact_synonym: INSDC_qualifier:hammerhead_ribozyme;   hammerhead ribozyme
 broad_synonym: INSDC_feature:ncRNA
 xref: "wiki"

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Path 1
Term Annotations click to browse term
  SO ontology 0
    sequence_attribute 0
      feature_attribute 0
        enzymatic 0
          ribozymic 0
            hammerhead_ribozyme 0
Path 2
Term Annotations click to browse term
  SO ontology 0
    sequence_feature 0
      region 0
        biological_region 0
          sequence_motif 0
            nucleotide_motif 0
              RNA_motif 0
                hammerhead_ribozyme 0
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