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. 2019 Jul 2;181(1):221–235. doi: 10.1104/pp.19.00082

Figure 1.

Figure 1.

OsSHOC1 encodes an XPF-like protein in rice. A, Structure of the OsSHOC1 gene. OsSHOC1 consists of 10 exons (black blocks) and 9 introns (black lines). An 11-bp deletion (red shot lines) causes a downstream frame shift and premature translational termination, which abolishes a conserved region (red box) in the predicted protein sequence. B, Protein sequence alignment of the conserved region in OsSHOC1 and its homologs, including the ERCC4-(HhH)2 like domain (black outline; 1070–1298 in OsSHOC1). Conserved amino acids are highlighted in red. At, Arabidopsis thaliana; Bd, Brachypodium distachyon; Gm, Glycine max; Os, Oryza sativa; Sb, Sorghum bicolor; Si, Setaria italica; Sl, Solanum lycopersicum; Vv, Vitis vinifera; Zm, Zea mays. C, Protein sequence alignment of rice and Arabidopsis SHOC1 ERCC4-(HhH)2-like domain (black outline) with canonical XFP proteins HsXPF and ApeXPF. Ape, Aeropyrum pernix; At, Arabidopsis thaliana; Hs, Homo sapiens; Os, Oryza sativa. The short red line indicates the highly conserved active site GDXnERKX3D motif in HsXPF and ApeXPF.