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. 2021 Apr 23;12:624290. doi: 10.3389/fgene.2021.624290

FIGURE 2.

FIGURE 2

MeCP2 protein isoforms. MeCP2e1 and MeCP2e2 protein isoforms are produced from alternative splicing events. The MeCP2e1 isoform is translated from splicing of exon 1 to exons 3 and 4 with the translational start ATG in exon 1. The MeCP2e2 protein isoform is produced from a transcript from all four exons with a translational start ATG in exon 2. Interestingly, this transcript may encode a small peptide from an ORF in exons 1 and 2. (A) MECP2/Mecp2 exon splicing. (B) MeCP2-e1 isoform. (C) MeCP2-e2 isoform.