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Untranslated region

In molecular genetics, an untranslated region (or UTR) refers to either of two sections, one on each side of a coding sequence on a strand of mRNA.

Version
v1 · 2026-09-28 · History
Domain-specific #
12729
Domain group
Natural Sciences
Origin domain
Biology & Ecology
Subdomain
Molecular Genetics → Biology & Ecology

Core Idea

Untranslated region is treated here as the recurring molecular genetics identity summarized by this source-grounded definition: In molecular genetics, an untranslated region (or UTR) refers to either of two sections, one on each side of a coding sequence on a strand of mRNA. is initially transcribed into a messenger RNA (mRNA) molecule. The mRNA is then translated into a protein. In molecular genetics, an untranslated region (or UTR) refers to either of two sections, one on each side of a coding sequence on a strand of mRNA.

Scope of Application

  • Further study. Through the recent study of untranslated regions, general information has been gathered about the nature and function of these elements.

  • Further study. Since the regulation of gene expression is critical in the proper function of cells, this is an area of study that needs to be investigated further.

  • Further study. We are only beginning to understand the links between proper untranslated region function, and disease states of cells.

  • Documented setting. Within the 5' UTR is a sequence that is recognized by the ribosome which allows the ribosome to bind and initiate translation.

  • History. The untranslated regions of mRNA became a subject of study as early as the late 1970s, after the first mRNA molecule was fully sequenced.

Clarity

A clear use of Untranslated region names the carrier, the operative relation, and the conditions under which the source treats the identity as present. The minimal definition is In molecular genetics, an untranslated region (or UTR) refers to either of two sections, one on each side of a coding sequence on a strand of mRNA.

Manages Complexity

Untranslated region compresses multiple molecular genetics details into a stable diagnostic relation. The source shows both the central mechanism—the 5' UTR of prokaryotes consists of the Shine–Dalgarno sequence (5'-AGGAGGU-3').—and the practical consequence—in 1978, the 5' UTR of the human gamma-globin mRNA was fully sequenced. This compression makes cases comparable while leaving parameters, conventions, exceptions, and evidential quality explicit.

Abstract Reasoning

  1. Type the carrier. Identify the molecular genetics entities to which the claim applies.
  2. State the relation. Use the source-grounded identity: In molecular genetics, an untranslated region (or UTR) refers to either of two sections, one on each side of a coding sequence on a strand of mRNA.
  3. Check operation and conditions. The importance of these non-coding regions is supported by evolutionary reasoning, as natural selection would have otherwise eliminated this unusable RNA.
  4. Demand recognition evidence.

Knowledge Transfer

Within the home domain. Knowledge about Untranslated region transfers literally when a new case preserves the same carrier type, relation, and recognition test. Through the recent study of untranslated regions, general information has been gathered about the nature and function of these elements. Since the regulation of gene expression is critical in the proper function of cells, this is an area of study that needs to be investigated further. Beyond the home domain. No canonical parent is asserted for Untranslated region.

Relationships to Other Abstractions

Local relationship map for Untranslated regionParents appear above the current abstraction, mutual partners to the right, and children below. Node labels state whether each abstraction is prime or domain-specific; colors identify relation types.Untranslated regionDOMAINDomain-specific abstraction: Regulatory sequence — is a kind ofRegulatorysequenceDOMAIN

Current abstraction Untranslated region Domain-specific

Parents (1) — more general patterns this builds on

  • Untranslated region is a kind of Regulatory sequence Domain-specific

    Untranslated region is a domain-specific kind of regulatory sequence under its frozen identity and differentia. Complete-catalog comparison found the corresponding live broader identity.

Hierarchy path (1) — routes to 1 parentless root

Neighborhood in Abstraction Space

Untranslated region sits in a sparse region of the domain-specific corpus (81st percentile for distinctiveness): few abstractions share its structure, so a faithful description tends to retrieve it precisely.

Family — Unclustered & Miscellaneous (2551 abstractions)

Nearest neighbors

Computed from structural-signature embeddings · 2026-10-08