FB2026_03 , released September 17, 2026
CV Term Report
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Term RNA polymerase III preinitiation complex assembly ID (Ontology) GO:0070898 (Gene Ontology)
Definition The formation of a large multiprotein-DNA complex that self-assembles on a tRNA gene through the sequential recruitment of the general initiation factors that compose the preinitiation complex (PIC), (which includes BDP1, BRF1, TBP, TFIIIC in human). The PIC engages RNA polymerase III on its DNA template strand and sparks polymerization of the first few RNA nucleotides.[ PubMed:11387215 PubMed:12381659 ]
Also Known As"RNA polymerase III transcription PIC biosynthesis" ; "RNA polymerase III transcription PIC formation" ; "RNA polymerase III transcriptional preinitiation complex assembly" (for all, see Synonyms field below)
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Genes (FBgn)GO_BIOLOGICAL_PROCESS
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 RNA polymerase III preinitiation complex assembly (all annotations which use CV term, excluding "NOT" statements)
     involved_in | RNA polymerase III preinitiation complex assembly
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DNA-templated transcription initiation
 |__transcription initiation at RNA polymerase III promoter__
 |__transcription preinitiation complex assembly_____________|
transcription by RNA polymerase III                          |
 |__transcription initiation at RNA polymerase III promoter__|
protein-DNA complex assembly                                 |
 |__transcription preinitiation complex assembly_____________|
                                                             RNA polymerase III preinitiation complex assembly  1 rec.
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Is a transcription preinitiation complex assembly
Part of transcription initiation at RNA polymerase III promoter
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Synonyms
  • "RNA polymerase III hybrid type promoter transcriptional preinitiation complex assembly" NARROW
    "RNA polymerase III transcription PIC biosynthesis" EXACT
    "RNA polymerase III transcription PIC formation" EXACT
    "RNA polymerase III transcriptional preinitiation complex assembly" EXACT
    "RNA polymerase III transcriptional preinitiation complex formation" EXACT
    "RNA polymerase III type 1 promoter transcriptional preinitiation complex assembly" NARROW
    "RNA polymerase III type 2 promoter transcriptional preinitiation complex assembly" NARROW
    "RNA polymerase III type 3 promoter transcriptional preinitiation complex assembly" NARROW
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