5' Untranslated Region SNP

**Semantic type:** Nucleotide Sequence

**Definition:** A 5' Untranslated Region SNP consists of a variation at an appreciable frequency between individuals of a single interbreeding population of a single nucleotide, due to base substitution, at an equivalent location within the sequence region at the 5' end of a messenger RNA (preceding the initiation codon) that is not translated into protein and may contain the ribosome binding site and other transcription and translation regulating sequences.

**Synonyms:** - 5' UTR SNP - UTR, 5' SNP