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. 1999 Mar 15;13(6):686–697. doi: 10.1101/gad.13.6.686

Figure 1.

Figure 1

Figure 1

Yeast has two ISWI genes. (A) Schematic representation of the yeast genes homologous to Drosophila ISWI. Drosophila ISWI is presented at top. Domains with significant homologies are indicated by boxes with the same patterns. The ATPase domains and the carboxy-terminal homologous domains of ISWI proteins are represented by solid and checkered boxes, respectively. The numbers below these domains indicate the length of the domains and homologies to the corresponding domain of Drosophila ISWI protein. Location of the SANT domain in ISWI proteins and the chromodomain and putative DNA-binding domain in CHD1p are indicated above the proteins. (B) ISW1 and ISW2 proteins form distinct complexes. The ISW1 and ISW2 complexes (Mono Q fractions) were separated through 10% SDS-PAGE and stained by silver. (Arrows) Subunits of the complexes. (●) Minor bands that are likely due to proteolytic degradation because the intensity of the bands increases during freeze and thaw. (Asterisks) Minor contaminants, which are present in some, but not in other, preparations (see Fig. 5A).