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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:0000340 term browser browse the term
Definition:Structural unit composed of a nucleic acid molecule which controls its own replication through the interaction of specific proteins at one or more origins of replication.
Comment:This term is mapped to MGED. Do not obsolete without consulting MGED ontology.
Synonyms:xref: "wiki"

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Term paths to the root
Path 1
Term Annotations click to browse term
  SO ontology 0
    sequence_feature 0
      region 0
        biological_region 0
          replicon 0
            chromosome 0
              DNA_chromosome + 0
              RNA_chromosome + 0
              apicoplast_chromosome 0
              chloroplast_chromosome 0
              chromoplast_chromosome 0
              chromosome_breakpoint + 0
              chromosome_part + 0
              cyanelle_chromosome 0
              leucoplast_chromosome 0
              macronuclear_chromosome 0
              micronuclear_chromosome 0
              mitochondrial_chromosome 0
              nuclear_chromosome 0
              nucleomorphic_chromosome 0
paths to the root