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Category:GO:0000373 ! Group II intron splicing
name: Group II intron splicing
namespace: biological_process
def: "The splicing of Group II introns. This occurs by a ribozymic mechanism where the intron sequence forms a distinct 3D structure, characteristic of Group II introns and containing splice site consensus sequences, that is involved in catalyzing the splicing reactions, though protein factors are also required in vivo. Splicing occurs by a series of two transesterification reactions (mechanistically similar to those for splicing of nuclear mRNAs) initiated by a bulged adenosine residue within the intron sequence as the initiating nucleophile. The intron is excised as a lariat." [GOC:krc, PMID:11377794]
comment: Note that Group II introns are known to be found in a number of places: rRNA, mRNA, and tRNA in organelles of fungi, plants, and protists; and mRNA of bacteria.
subset: gosubset_prok
synonym: "mRNA splicing" RELATED []
is_a: GO:0000377 ! RNA splicing, via transesterification reactions with bulged adenosine as nucleophile
AmiGO
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