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Tissue: A549
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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
AAMP/2:218264219-218264220-218264323-218264324--/- AAMP protein_coding -/- interior 2:218264219-218264323 104.0 Human
AAMP/2:218264296-218264302-218264423-218264429--/- AAMP protein_coding -/- interior 2:218264302-218264429 127.0 Human
AAMP/2:218264335-218264337-218264477-218264479--/- AAMP protein_coding -/- interior 2:218264337-218264479 142.0 Human
AAMP/2:218264341-218264464--/- AAMP protein_coding -/- interior 2:218264341-218264464 123.0 Human
AAMP/2:218264344-218264348-218264486-218264490--/- AAMP protein_coding -/- interior 2:218264344-218264486 142.0 Human
AAMP/2:218264349-218264472--/- AAMP protein_coding -/- interior 2:218264349-218264472 123.0 Human
AAMP/2:218266853-218266855-218269525-218269527--/- AAMP protein_coding -/- interior 2:218266853-218269525 2672.0 Human
AARS1/16:70252732-70252738-70252842-70252848--/- AARS1 protein_coding -/- interior 16:70252732-70252842 110.0 Human
AARS1/16:70262351-70262356-70262468-70262473--/- AARS1 protein_coding -/- interior 16:70262351-70262468 117.0 Human
AARS1/16:70262351-70262468--/- AARS1 protein_coding -/- partial 16:70262351-70262468 117.0 Human