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Database contents and features of Gene Expression Nebulas. Abbreviations used: SC, single-cell; TS, tissue-specific; HS, house-keeping; FPKM, fragments per kilobase of transcript per million mapped fragments; TPM, transcripts per million. SE: skipped exon; A3SS: alternative 3′ splice site; A5SS: alternative 5′ splice site; MXE: mutually exclusive exons; RI: retained intron.
