<HTML><BODY style="word-wrap: break-word; -khtml-nbsp-mode: space; -khtml-line-break: after-white-space; ">Please join us at 10:30 a.m. on Tuesday August 7th as Biology presents a Conversation with Dr. JoAnne Stubbe. <DIV><FONT class="Apple-style-span" color="#000000"><BR class="khtml-block-placeholder"></FONT></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT class="Apple-style-span" color="#000000">JoAnne Stubbe, the Novartis Professor of Chemistry, </FONT><A href="http://web.mit.edu/chemistry/www/faculty/stubbe.html"><FONT class="Apple-style-span" color="#000000">http://web.mit.edu/chemistry/www/faculty/stubbe.html</FONT></A><FONT class="Apple-style-span" color="#000000">, also holds a joint appointment in Biology. Her general research interests include: mechanism and regulation of ribonucleotide reductases; mechanism of natural product DNA cleavers; polyster biosynthesis and mechanism; structure and regulation of the purine biosynthetic pathway. </FONT></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><BR class="khtml-block-placeholder"></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT class="Apple-style-span" color="#000000">This article about Dr. Stubbe's life and work was featured in The Scientist: </FONT><A href="http://www.the-scientist.com/2007/2/1/56/1/"><FONT class="Apple-style-span" color="#000000">http://www.the-scientist.com/2007/2/1/56/1/</FONT></A><FONT class="Apple-style-span" color="#000000">.</FONT></DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV></DIV></BODY></HTML>