Planteome: Term Details for "first spliceosomal transesterification activity" (GO:0000384)

Accession: GO:0000384
Name: first spliceosomal transesterification activity
Ontology: molecular_function
Synonyms: lariat formation, 5'-splice site cleavage
Alternate IDs: None
Definition: Catalysis of the first transesterification reaction of spliceosomal mRNA splicing. The intron branch site adenosine is the nucleophile attacking the 5' splice site, resulting in cleavage at this position. In cis splicing, this is the step that forms a lariat structure of the intron RNA, while it is still joined to the 3' exon. Source: GOC:krc, PMID:19239890, ISBN:0879695897
Comment: None
History: See term history for GO:0000384 at QuickGO
Subset: None
Related: Link to all annotated objects annotated to first spliceosomal transesterification activity.; Link to all direct and indirect annotations to first spliceosomal transesterification activity.; Link to all direct and indirect annotations download (limited to first 10,000) for first spliceosomal transesterification activity.
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subject	relation	object
first spliceosomal transesterification activity	is_a	catalytic activity, acting on RNA (GO:0140098)
first spliceosomal transesterification activity	BFO:0000050	RNA splicing, via transesterification reactions (GO:0000375)

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first spliceosomal transesterification activity