FcircSEC: An R Package for Full Length circRNA Sequence Extraction and Classification

Figure 2

Location-oriented classification of circRNA. (a) The circRNA is exonic as it is formed of three exons (exons 1, 2, and 3). (b) The circRNA is intronic as it consists of one intron only. (c) The circRNA type is other as it belongs to neither exonic nor intronic.

(a)

(b)

(c)