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. 2015 Sep;25(9):1401–1409. doi: 10.1101/gr.193607.115

Figure 4.

Figure 4.

Classification of newly annotated miRNA genes. (A) Class I pri-miRNAs, represented by the transcripts that encode miR-30a and miR-30c-2, are independent noncoding transcription units with no existing annotation. (B) Class II pri-miRNAs, represented by the transcript that encodes miR-505, are extensions of annotated protein-coding transcripts. The RefSeq protein-coding transcript ATP11C is shown in blue. (C) Class III pri-miRNAs, represented by the transcript that encodes miR-99b, let-7e, and miR-125a, are extensions of annotated noncoding transcripts. The RefSeq noncoding transcript SPACA6P is shown in blue.