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Average number (A) and proportion (B) of Ensembl genes unambiguously identified in Tag-seq and LongSAGE libraries as a function of sampling depth. Error bars represent the SD of the average number of identified genes in 77 LongSAGE libraries and 35 Tag-seq libraries. The largest LongSAGE libraries were ∼300,000 tags, while the largest Tag-seq libraries were ∼10 million tags.
