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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
1110004F10Rik/7:115703730-115703736-115703553-115703559-+/+ 1110004F10Rik protein_coding +/+ interior 7:115703730-115703553 177.0 Mouse
1110004F10Rik/7:115703852-115703855-115704246-115704249--/+ 1110004F10Rik protein_coding -/+ antisense 7:115703855-115704249 394.0 Mouse
1110004F10Rik/7:115703873-115703873-115703478-115703478-+/+ 1110004F10Rik protein_coding +/+ interior 7:115703873-115703478 395.0 Mouse
1110004F10Rik/7:115703886-115703890-115703565-115703569-+/+ 1110004F10Rik protein_coding +/+ interior 7:115703886-115703565 321.0 Mouse
1110004F10Rik/7:115703961-115703962-115702465-115702466-+/+ 1110004F10Rik protein_coding +/+ interior 7:115703961-115702465 1496.0 Mouse
1110004F10Rik/7:115704219-115704220-115704088-115704089-+/+ 1110004F10Rik protein_coding +/+ interior 7:115704219-115704088 131.0 Mouse
1110004F10Rik/7:115704383-115704385-115703743-115703745-+/+ 1110004F10Rik protein_coding +/+ interior 7:115704383-115703743 640.0 Mouse
1110032F04Rik/3:68778063-68778069-68777945-68777951-+/+ 1110032F04Rik protein_coding +/+ interior 3:68778069-68777951 118.0 Mouse
1110038B12Rik/17:35169473-35169474-35169671-35169672--/- 1110038B12Rik lncRNA -/- interior 17:35169474-35169672 198.0 Mouse
1110038B12Rik/17:35169473-35169474-35169672-35169673--/- 1110038B12Rik lncRNA -/- lariat 17:35169474-35169673 199.0 Mouse