Minor Spliceosome
The minor spliceosome is a ribonucleoprotein complex that catalyses the removal (splicing) of an atypical class of spliceosomal introns (U12-type) from eukaryotic messenger RNAs in plant, insects, vertebrates and some fungi (Rhizopus oryzae). This process is called noncanonical splicing, as opposed to U2-dependent canonical splicing. U12-type introns represent less than 1% of all introns in human cells. However they are found in genes performing essential cellular functions.
Read more about Minor Spliceosome: Early Evidence, Structure of U12-type Introns and Minor Spliceosome, Location of Minor Spliceosomal Activity, Evolution of Minor Spliceosome
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