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. 2016 May 13;7(5):661–682. doi: 10.1002/wrna.1357

Figure 1.

Figure 1

Schematic illustration of domains and motifs of important mammalian NMD factors. Amino acid numbering relates to the human proteins. All proteins are drawn to the same scale except for SMG1. CH: cysteine‐histidine rich domain; SQ: serine‐glutamine rich domain; MIF4G: middle of 4G‐like domains; UBD: UPF1‐binding domain; RRM: RNA recognition motif; EBM: exon junction binding motif; HEAT: Huntingtin, elongation factor 3 (EF3), https://en.wikipedia.org/wiki/Protein_phosphatase_2#Proteinphosphatase2A (PP2A), yeast kinase TOR1 domain; FAT: focal adhesion kinase domain; PIKK: phosphatidylinositol 3‐kinase‐related protein kinase domain; FATC: C‐terminal FAT domain; PIN: PilT N‐terminus domain; PC: C‐terminal proline‐rich region.