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. 2018 Sep 6;8:13312. doi: 10.1038/s41598-018-31511-5

Figure 2.

Figure 2

USH2A mutations and genotype-phenotype correlations. (a) Schematic representation of usherin structure showing the mutated residues located within different protein domains. Isoform “a” is an N-terminal fragment of isoform “b”. Mutations in orange font are implicated in USHII, mutations in fuchsia font are associated with both non-syndromic RP and USHII and mutations in black font are associated with non-syndromic RP. SP: signal peptide; LamGL: LamG-like jellyroll fold; Lam NT: Laminin N-terminal; EGFLam: Laminin-type EGF-like (LE); FN3: fibronectin type-III; LamG: Laminin G; TM: Transmembrane domain; PDB: PDZ-binding domain. (b) Phenotype-genotype correlations of usherin mutations. Variants responsible of non-syndromic RP are represented in blue. The variant p.Cys759Phe has been detected in combination with other deleterious alleles in nine patients with non-syndromic RP. Mutations shown in fuchsia color have been detected in individuals with both non-syndromic RP and USH depending on the nature of the second variant. Variants responsible of USHII are shown in orange.