Supplementary Figure 2 from The Inhibitor of Cyclin-Dependent Kinase 4a/Alternative Reading Frame (&lt;b&gt;&lt;i&gt;INK4a/ARF&lt;/i&gt;&lt;/b&gt;) Locus Encoded Proteins p16&lt;sup&gt;INK4a&lt;/sup&gt; and p19&lt;sup&gt;ARF&lt;/sup&gt; Repress Cyclin D1 Transcription through Distinct &lt;b&gt;&lt;i&gt;cis&lt;/i&gt;&lt;/b&gt; Elements