Legends to Supplementary Figures and Table from Molecular Basis for G&lt;sub&gt;2&lt;/sub&gt; Arrest Induced by 2′-&lt;i&gt;C&lt;/i&gt;-Cyano-2′-Deoxy-1-β-d-&lt;i&gt;Arabino&lt;/i&gt;-Pentofuranosylcytosine and Consequences of Checkpoint Abrogation