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Species: Mouse
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circRNA ID Gene Gene Type Strand (circRNA/Gene)
circRNA Type i

The back-fusion junctions (BFJs) of circRNAs from genic regions may have three possible positions relative to the nearest exon-intron boundaries of their cognate linear transcripts, giving rise to three circRNA subtypes:

(1) canonical (or completely boundary) circRNAs with both BFJs aligning to exon-intron boundaries;

(2) half interior (or half boundary) circRNAs with one, but not both, of the BFJs aligning to exon-intron boundaries;

(3) complete interior (or non-boundary) circRNAs with both junctions appearing inside of exons or introns.

Lariats are byproducts of splicing and can be regarded as variants of canonical circRNAs; for clarity, we list lariats separately here.

Intergenic circRNAs, derived from intergenic regions that often encode poorly annotated noncoding transcripts, can be considered a new distinct subtype of their own.

We collectively refer to complete interior, half interior, and intergenic circRNAs as noncanonical circRNAs (nc-circRNAs) to distinguish them from canonical circRNAs (c-circRNAs).

CircRNA Types Diagram
Position Length Species
0610031O16Rik/3:137933637-137933638-137934018-137934019--/- 0610031O16Rik lncRNA -/- interior 3:137933637-137934018 381.0 Mouse
0610031O16Rik/3:137938589-137938595-137938711-137938717--/- 0610031O16Rik lncRNA -/- interior 3:137938589-137938711 122.0 Mouse
0610031O16Rik/3:137939047-137939049-137939227-137939229--/- 0610031O16Rik lncRNA -/- interior 3:137939047-137939227 180.0 Mouse
0610039K10Rik/2:163486965-163486966-163486855-163486856-+/+ 0610039K10Rik lncRNA +/+ interior 2:163486965-163486855 110.0 Mouse
0610040F04Rik/6:108637669-108637670-108637781-108637782--/- 0610040F04Rik lncRNA -/- interior 6:108637670-108637782 112.0 Mouse
1110002J07Rik/10:66748591-66748598-66748703-66748710--/- 1110002J07Rik lncRNA -/- interior 10:66748591-66748703 112.0 Mouse
1110002J07Rik/10:66750580-66750584-66750743-66750747--/- 1110002J07Rik lncRNA -/- interior 10:66750580-66750743 163.0 Mouse
1110002J07Rik/10:66751220-66751225-66751447-66751452--/- 1110002J07Rik lncRNA -/- interior 10:66751220-66751447 227.0 Mouse
1110002J07Rik/10:66751228-66751234-66751447-66751453--/- 1110002J07Rik lncRNA -/- interior 10:66751228-66751447 219.0 Mouse
1110002J07Rik/10:66751986-66751987-66752195-66752196--/- 1110002J07Rik lncRNA -/- interior 10:66751986-66752195 209.0 Mouse