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<div style="font-size: 14px; ">Hi Nat,</div>
<div style="font-size: 14px; ">You are correct, when you collect data at the Zinc K-edge, you will should expect Co f' nearly 0 and f'' nearly 3, and Zn f' -8 and f'' 4, respectively.</div>
<div style="font-size: 14px; "><span class="Apple-style-span" style="font-size: medium; ">At the Zinc K-edge, </span>f'' will have a significant contribution of both Zn and Co.</div>
<div style="font-size: 14px; "><span class="Apple-style-span" style="font-size: medium; "> f' mainly have only the contribution of Zn (f'= -8) as Co will be nearly zero.</span></div>
<div>Thanks,</div>
<div>Joao</div>
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<span style="font-weight:bold">From: </span>Nathaniel Echols <<a href="mailto:nechols@lbl.gov">nechols@lbl.gov</a>><br>
<span style="font-weight:bold">Date: </span>Monday, 20 October 2014 16:18<br>
<span style="font-weight:bold">To: </span>Joao Dias <<a href="mailto:joao.dias@heptares.com">joao.dias@heptares.com</a>><br>
<span style="font-weight:bold">Cc: </span>Matteo Colombo <<a href="mailto:Matteo-Maria.Colombo@ibs.fr">Matteo-Maria.Colombo@ibs.fr</a>>, "<a href="mailto:phenixbb@phenix-online.org">phenixbb@phenix-online.org</a>" <<a href="mailto:phenixbb@phenix-online.org">phenixbb@phenix-online.org</a>><br>
<span style="font-weight:bold">Subject: </span>Re: [phenixbb] anomalous signal<br>
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<div dir="ltr">On Mon, Oct 20, 2014 at 6:48 AM, Joao Dias <span dir="ltr"><<a href="mailto:joao.dias@heptares.com" target="_blank">joao.dias@heptares.com</a>></span> wrote:<br>
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<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
When you collect data at the Zinc K-edge, you will have a very small component of Co in the f'', since your protein as both Zn and Co.<br>
On the other hand, the f' will still have a significant contribution of both Zn and Co.<br>
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<div>I'm confused, isn't this backwards? Based on the plot, Co f'' will still be nearly 3e- at the Zn K-edge, but the f' will be close to zero.</div>
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<div>-Nat</div>
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