Figure 2.

Genomic orgranization of microRNA genes. miRNA genes can be intergenic (alone or clustered), in the intron of non-coding RNA or protein-coding genes (alone or clustered), or can be mirtrons (part of a short intron of another gene).

Kapinas and Delany Arthritis Research & Therapy 2011 13:220   doi:10.1186/ar3325
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