Phenomena and Processes

Transcription Initiation Site

The first nucleotide of a transcribed DNA sequence where RNA polymerase (DNA-DIRECTED RNA POLYMERASE) begins synthesizing the RNA transcript.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

The first nucleotide of a transcribed DNA sequence where RNA polymerase (DNA-DIRECTED RNA POLYMERASE) begins synthesizing the RNA transcript.

MeSH Record

Classification

Broader headings

Related Concepts

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MeSH Record

Synonyms

11 entry terms
  • Transcription Start Site
  • Initiation Site, Transcription
  • Initiation Sites, Transcription
  • Site, Transcription Initiation
  • Site, Transcription Start
  • Sites, Transcription Initiation
  • Sites, Transcription Start
  • Start Site, Transcription
  • Start Sites, Transcription
  • Transcription Initiation Sites
  • Transcription Start Sites

MeSH Record

Aspects Covered

4 allowable subheadings

Indexed with the subheadings drug effects, ethics, physiology, radiation effects.

MeSH Record

History Note

2002

MeSH Record

Previous Indexing

  • Transcription, Genetic (1974-2001)

MeSH Hierarchy

Tree Number

  1. G05.360w.340w.024.340w.137.750w.840

AMA Style

References

  1. National Library of Medicine. Transcription Initiation Site. Medical Subject Headings (MeSH). 2026. Unique ID D024363. http://id.nlm.nih.gov/mesh/2026/D024363
  2. Transcription Initiation Site. In: Wikidata. https://www.wikidata.org/wiki/Q71229229