FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term polypeptide_region ID (Ontology) SO:0000839 (Sequence Ontology)
Definition Biological sequence region that can be assigned to a specific subsequence of a polypeptide.
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
Sequence Features (FBsf)  FEATURE_TYPE   188707
show Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records
 Full annotation statements 
Relevant FlyBase reports
 Sequence Features
 polypeptide_region (all annotations which use CV term, excluding "NOT" statements)   188707
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  region
   |__biological_region
       |__polypeptide_region  188713 rec.
           |__2A_self_cleaving_peptide_region
           |__cleaved_peptide_region
           |   |__c_terminal_region
           |   |__central_hydrophobic_region_of_signal_peptide
           |   |__cleaved_for_gpi_anchor_region
           |   |__cleaved_initiator_methionine
           |   |__intein
           |   |__lipoprotein_signal_peptide
           |   |__n_terminal_region
           |   |__propeptide
           |   |__propeptide_cleavage_site
           |__compositionally_biased_region_of_peptide
           |__hydrophobic_region_of_peptide
           |__immature_peptide_region 6 rec.
           |__immunoglobulin_region
           |   |__C_region
           |   |__V_region
           |__mature_protein_region 6 rec.
           |   |__active_peptide
           |__peptide_localization_signal
           |   |__endosomal_localization_signal
           |   |__ER_retention_signal
           |   |__lysosomal_localization_signal
           |   |__mitochondrial_targeting_signal
           |   |__nuclear_export_signal
           |   |__nuclear_localization_signal
           |   |__nuclear_rim_localization_signal
           |   |__signal_peptide(+)
           |   |__transit_peptide
           |   |__vacuolar_sorting_signal
           |__polypeptide_conserved_region
           |   |__polypeptide_domain
           |   |__polypeptide_motif(+)
           |   |__polypeptide_repeat
           |__polypeptide_structural_region
           |   |__extramembrane_polypeptide_region(+)
           |   |__intramembrane_polypeptide_region(+)
           |   |__intrinsically_unstructured_polypeptide_region
           |   |__membrane_structure
           |   |__polypeptide_domain
           |   |__polypeptide_secondary_structure(+)
           |   |__polypeptide_structural_motif(+)
           |__polypeptide_variation_site
           |   |__alternate_sequence_site
           |   |__mutated_variant_site
           |   |__natural_variant_site
           |__protease_site
           |__protein_stability_element
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Is a biological_region
Part of polypeptide
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Synonyms
  • "positional" RELATED
    "positional polypeptide feature" RELATED
    "region" NARROW
    "region or site annotation" RELATED
    "site" NARROW
Secondary IDs
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