Hi,
one of our students here has got a NOESY spectrum in which the aromatic
groups are folded. I have shown him how to unalias the peaks so as to
get the correct shifts etc. But it still leaves him with negative peak
intensities and volumes which when exported to Cyana cause problems. I'm
not sure where this issue is best addressed - the easiest thing would
perhaps be if the Format Converter had an option 'force peak
heights/volumes positive' when exporting peaks lists. Alternatively
there could be a button in Analysis in say the Edit Peaks or Edit Peak
Lists pop-up which was either on 'original intensities/volumes' or could
be switched to 'all positive intensities/volumes' - it depends really on
whether having negative NOESY peaks could cause problems within Analysis
or whether it is only when exporting them and using them in other
programmes that you run into trouble.
Thanks,
Vicky
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Dr. Victoria A. Higman
Leibniz-Institut fuer Molekulare Pharmakologie (FMP)
NMR-Supported Structural Biology
Robert-Roessle-Str. 10
13125 Berlin
Germany
Phone: +49-30-94793 223
E-mail: [log in to unmask]
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