FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term origin_of_replication ID (Ontology) SO:0000296 (Sequence Ontology)
Definition A region of nucleic acid from which replication initiates; includes sequences that are recognized by replication proteins, the site from which the first separation of complementary strands occurs, and specific replication start sites.
Also Known As "INSDC_feature:rep_origin" ; "ori" ; "origin of replication"
Comment
Links to External Ontologies
SO.org
Annotations
Records annotated with this term OR any of its CHILD TERMS
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Records annotated with this exact term (annotations to child terms are NOT included)
Data Class Field Records
Genes (FBgn)  FEATURE_TYPE       4
Genes (FBgn)  SO_TERMS       4
Sequence Features (FBsf)  FEATURE_TYPE    8069
show Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records
 Full annotation statements 
Relevant FlyBase reports
 Genes Sequence Features
 origin_of_replication (all annotations which use CV term, excluding "NOT" statements)       4   8069
Spanning Tree (Parents/Children)
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  region
   |__biological_region
       |__origin_of_replication  8073 rec.
           |__amplification_origin
           |__ARS
           |__early_origin_of_replication
           |__late_origin_of_replication
           |__mitochondrial_control_region
           |   |__mitochondrial_D_loop
           |__oriC
           |__oriT
           |__oriV
           |__replication_start_site
           |__telomeric_D_loop
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Is a biological_region
Part of replicon
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Synonyms
  • "INSDC_feature:rep_origin" EXACT
    "ori" EXACT
    "origin of replication" EXACT
Secondary IDs
hide External Crossreferences & Linkouts
http://en.wikipedia.org/wiki/Origin_of_replication "wiki"