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. 2004 Dec 20;167(6):1019–1024. doi: 10.1083/jcb.200408090

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Copyright © 2004, The Rockefeller University Press

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Figure 4. — ics encodes RSU-1. (A) The gene encoding RSU-1, located on chromosome 2 at cytological position 34C6, comprises three exons (coding regions shaded). Location of the peptide antigens used for antibody production (bars) and P-element insertion allele (triangle; Drosophila Gene Disruption Project, http://www.fruitfly.org/p_disrupt/index.html) are indicated. (B) Western blots of third instar larval extracts using antibodies directed against the amino or carboxy termini of RSU-1. (C) PINCH and RSU-1 are expressed in wing discs. (D) ics homozygotes display wing blisters.