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Term:
DNA-templated transcription open complex formation (GO:0001112)
Annotations: Rat: (2) Mouse: (1) Human: (1) Chinchilla: (1) Bonobo: (1) Dog: (1) Squirrel: (1) Pig: (1) Naked Mole-rat: (1) Green Monkey: (2) Black Rat: (1)
Parent Terms Term With Siblings Child Terms
DNA-templated transcription open complex formation +   
Any process involved in the melting of the DNA hybrid of the core promoter region within the transcriptional closed complex of an RNA polymerase preinitiation complex (PIC) to produce an open complex where the DNA duplex around the transcription initiation site is unwound to form the transcription bubble.
DNA-templated transcriptional start site selection +   
negative regulation of DNA-templated transcription initiation +   
positive regulation of DNA-templated transcription initiation +   
regulation of DNA-templated transcription initiation +   
transcription initiation at mitochondrial promoter  
transcription initiation at RNA polymerase I promoter +   
transcription initiation at RNA polymerase II promoter +   
transcription initiation at RNA polymerase III promoter +   
transcription preinitiation complex assembly +   

Synonyms
Exact Synonyms: DNA-dependent transcriptional open complex formation;  DNA-templated transcriptional open complex formation
Narrow Synonyms: transcription open complex formation at bacterial-type RNA polymerase promoter;  transcriptional open complex formation at bacterial-type RNA polymerase promoter
Broad Synonyms: promoter melting
Alternate IDs: GO:0001127
Definition Sources: GOC:txnOH, PMID:15020047, PMID:18280161

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