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Article

A unique U5-->A substitution in the Physarum polycephalum U1 snRNA: evidence at the RNA and gene levels.

Biochimie - 1 Jan 1996

Szkukalek A, Mougin A, Grégoire A, Solymosy F, Branlant C

Abstract excerpt

The 5' terminal sequence of U1 snRNA that base-pairs with the intron 5' splice site in the course of spliceosome assembly was considered to be universally conserved. A study of the P polycephalum U1 snRNA at both RNA and gene levels shows that there are exceptions to this rule: the P polycephalum U1 snRNA has a U to A substitution at position 5, that is partially compensated by a high frequency of T residue at...

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PMID: 8915532
DOI: 10.1016/0300-9084(96)84749-3

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

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