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. Author manuscript; available in PMC: 2014 Oct 1.
Published in final edited form as: Biochim Biophys Acta. 2013 Aug 13;1829(10):1147–1159. doi: 10.1016/j.bbagrm.2013.08.002

Figure 4. Mapping the serum responsive element of the mId1 promoter.

Figure 4

A) Sequence of the conserved regulatory region of mId1 with the indicated putative regulatory elements. B) Left (L), mutations in the BRE region and Right (R), mutations in the BRE region. C) Alignment of the BMP responsive elements (BRE) in the mouse Id1, Id2 and Id3 promoters. D, E) The indicated mutants were transfected into NIH3T3 cells and assayed for luciferase activities as in figure 3.