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Addition of nucleotides between position +11 and +30 on HIV-1 transcript

Stable Identifier
R-HSA-167115
Type
Reaction
Species
Homo sapiens
Related Species
Human immunodeficiency virus 1
Compartment
Locations in the PathwayBrowser
Summation

RNA polymerase II transcription complexes are susceptible to transcriptional stalling and arrest, when extending nascent transcripts to 30-nt. This susceptibility depends on presence on down-stream DNA, the particular DNA-sequence of the template and presence of transcription factors. Transcription factor TFIIH remains associated to the RNA pol II elongation complex until position +30. At this stage transcription elongation factor TFIIS can rescue stalled transcription elongation complexes. The transcription bubble varies between 13- and 22-nt in size.

Participants
Participant Of
Catalyst Activity
Catalyst Activity
Title
DNA-directed 5'-3' RNA polymerase activity of RNA Polymerase II (unphosphorylated):TFIIF complex [nucleoplasm]
Physical Entity
Activity
Inferred From
Disease
Name Identifier Synonyms
Human immunodeficiency virus infectious disease 526 HIV infection