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Keratinocytes deposit laminin‐332 but not type VII collagen or the ectodomain of BP180 on the bottom of the culture dish. Air‐dried coverslips were stained for (a) the laminin‐332 β3 subunit, (b) the BP180 ectodomain and (c) type VII collagen. Only laminin‐332 is present as footprints. The white bar represents 20 μm.
