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Dear all,

We have recently converted our NMR consoles from Varian to Bruker and while I am comfortable using Analysis with Varian data processed with nmrPipe, I am now exploring Bruker data processed within TopSpin 4.0.3. So far so good with 2D data (mostly 15N-HSQCs) using Analysis v2.4.2.

However, when I try to open a 3D 15N-NOESY, I get the following error:

Exception in Tkinter callback
Traceback (most recent call last):
  File "/Users/norm/Softwares/ccpnmr/python2.7/lib/python2.7/lib-tk/Tkinter.py", line 1532, in __call__
    return self.func(*args)
  File "/Users/norm/Softwares/ccpnmr/ccpnmr2.4/python/ccpnmr/analysis/popups/OpenSpectrum.py", line 375, in openSpectra
    obj.shiftListName)
  File "/Users/norm/Softwares/ccpnmr/ccpnmr2.4/python/ccpnmr/analysis/popups/OpenSpectrum.py", line 808, in openSpectrum
    params = clazz(file, extraData=extraData)
  File "/Users/norm/Softwares/ccpnmr/ccpnmr2.4/python/ccp/format/spectra/params/BrukerParams.py", line 82, in __init__
    ExternalParams.__init__(self, **kw)
  File "/Users/norm/Softwares/ccpnmr/ccpnmr2.4/python/ccp/format/spectra/params/ExternalParams.py", line 103, in __init__
    self.makeNewParams()
  File "/Users/norm/Softwares/ccpnmr/ccpnmr2.4/python/ccp/format/spectra/params/ExternalParams.py", line 170, in makeNewParams
    self.parseFile()
  File "/Users/norm/Softwares/ccpnmr/ccpnmr2.4/python/ccp/format/spectra/params/BrukerParams.py", line 114, in parseFile
    acqParData.get()
  File "/Users/norm/Softwares/ccpnmr/ccpnmr2.4/python/ccp/format/bruker/acqParsIO.py", line 249, in get
    self.process()
  File "/Users/norm/Softwares/ccpnmr/ccpnmr2.4/python/ccp/format/bruker/acqParsIO.py", line 415, in process
    self.processpre21()
  File "/Users/norm/Softwares/ccpnmr/ccpnmr2.4/python/ccp/format/bruker/acqParsIO.py", line 664, in processpre21
    (numPoints,numPointsOrig,valuePerPoint) = self.getFreqDimInfo(valuePerPoint,numPointsValid)
  File "/Users/norm/Softwares/ccpnmr/ccpnmr2.4/python/ccp/format/general/acqParsDefs.py", line 180, in getFreqDimInfo
    valppointFreq = (1 / valppoint) / npointsFreq
ZeroDivisionError: float division by zero

Preceded by many lines similar to the following (full log attached):

Error converting '<>' to float: set to 0.0

Is there a way to open my 3D N-NOESY Bruker data processed with TopSpin 4.0.3 in Analysis v2.4.2?

(As a side note: I am able to open the data in Analysis V3 without any problem. However, my preference leans toward V2 and would be glad to be able to use my data with V2.)

Thanks!
Norm


_______________________________________
Normand Cyr, PhD
Manager, Structural Biology Platform

Department of Biochemistry and Molecular Medicine
Université de Montréal
Roger-Gaudry Building, office C-313

T: +1-514-343-6322

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