FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
Help Close All Open All
General Information
Term single-chain variable fragment antibody ID (Ontology) FBcv:0007041 (FlyBase CV)
Definition An engineered antibody consisting of the heavy (VH) and light (VL) chains of an immunoglobulin, separated by a short flexible linker peptide and expressed as a single fusion protein.[ PubMed:3045807 ]
Also Known As "scFv antibody" ; "sFv antibody" ; "single-chain variable region fragment antibody"
Comment
Links to External Ontologies
Annotations
Records annotated with this term OR any of its CHILD TERMS
    Results list data from multiple species. Click on a button above and use the 'Filter by species' options on the resulting HitList to retrieve species-specific data.
Records annotated with this exact term (annotations to child terms are NOT included)
No relevant records available
show Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records
 Full annotation statements 
Relevant FlyBase reports
 Alleles Genes Experimental Tools
 single-chain variable fragment antibody (all annotations which use CV term, excluding "NOT" statements)      14      1      3
     encodes tool | single-chain variable fragment antibody       --       --       3
Spanning Tree (Parents/Children)
Only view relationship:
  antibody
   |__engineered antibody
       |__single-chain variable fragment antibody  18 rec.
Spanning Tree View Settings
Parents/Children
View Depth
Show hierarchy levels: for parents, for children
hide Relationships
Is a engineered antibody
Part of
hide Synonyms & Secondary IDs
Synonyms
Secondary IDs
hide External Crossreferences & Linkouts