name: DNA-templated transcription, initiation
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def: "Any process involved in the assembly of the RNA polymerase preinitiation complex (PIC) at the core promoter region of a DNA template, resulting in the subsequent synthesis of RNA from that promoter. The initiation phase includes PIC assembly and the formation of the first few bonds in the RNA chain, including abortive initiation, which occurs when the first few nucleotides are repeatedly synthesized and then released. The initiation phase ends just before and does not include promoter clearance, or release, which is the transition between the initiation and elongation phases of transcription." [GOC:jid, GOC:txnOH, PMID:18280161]
comment: Note that promoter clearance is represented as a separate step, not part_of either initiation or elongation.
synonym: "DNA-dependent RNA polymerase complex assembly at promoter" EXACT 
synonym: "DNA-dependent transcription, initiation" EXACT [GOC:txnOH]
synonym: "initiation of DNA-dependent transcription" EXACT [GOC:jh2]
synonym: "initiation of transcription, DNA-dependent" EXACT [GOC:mah]
synonym: "transcription initiation factor activity" RELATED 
synonym: "transcription initiation, DNA-dependent" RELATED [GOC:jh2]
is_a: GO:0032774 ! RNA biosynthetic process
relationship: part_of: GO:0006351 ! transcription, DNA-templated
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