FB2026_03 , released September 17, 2026

CV Term Report

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General Information

Term

split driver - transcription activation fragment

ID (Ontology)

FBcv:0005055 (FlyBase CV)

Definition

Non-functional fragment of a transcriptional activator ('driver') that includes a transcription activation domain and which can be used to reconstitute a functional transcription driver when brought together in vivo with a complementary split driver fragment that encodes a DNA-binding domain, for example by including a compatible physical interaction domain or split intein fragment in each of the complementary split driver fragments.

Comment

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Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records

Full annotation statements	Relevant FlyBase reports
Full annotation statements	Genes	Experimental Tools
split driver - transcription activation fragment (all annotations which use CV term, excluding "NOT" statements)
encodes tool \| split driver - transcription activation fragment	--
tagged with \| split driver - transcription activation fragment	--

Spanning Tree (Parents/Children)

  split system component
   |__split driver fragment
       |__split driver - transcription activation fragment  17 rec.

Spanning Tree View Settings
Parents/Children View Depth	Show hierarchy levels: for parents, for children
Relationships
Is a	split driver fragment
Part of
Synonyms & Secondary IDs
Synonyms

Secondary IDs

External Crossreferences & Linkouts