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. 2002 Jan 7;195(1):85–98. doi: 10.1084/jem.20011578

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Copyright © 2002, The Rockefeller University Press

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Figure 2. — Schematic representation of the recombination cassettes (to scale). Upstream and downstream cassettes are represented with their authentic and fortuitous RSSs (see legend to Fig. 1). RSSs with 12 bp spacers are white, those with 23 bp spacers are black. For clarity, fortuitous RSSs in cassettes containing authentic RSSs, or fortuitous RSSs without an authentic RSS matching partner are not represented. Cassettes are delimited by lozenges.