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. 2003 Oct 1;4(12):1169–1174. doi: 10.1038/sj.embor.7400025

Figure 1.

Figure 1

Protein sequences and three-dimensional structures of HUB1 (homologous to ubiquitin 1), ubiquitin and ubiquitin-like modifiers. (A) Sequence alignment of HUB1 with ubiquitin, RUB1 and SUMO from Saccharomyces cerevisiae. The scissors symbol indicates the processing site after the di-glycine motif in ubiquitin, RUB1 and SUMO. (B) Structural ribbon (top) and molecular surface representations (bottom) of HUB1 (S. cerevisiae; Ramelot et al., 2003), ubiquitin (Homo sapiens; Vijay-Kumar et al., 1987), RUB1/NEDD8 (H. sapiens; Whitby et al., 1998) and SUMO-1 (H. sapiens; Bayer et al., 1998).