Thanks for your prompt answers. I have substituted all charges with 0s and it worked well with both X!Tandem and TPP. It appears to be the simplest fix so I will stick to it. Again - thanks!
On Apr 27, 11:08 am, Matthew Chambers <matt.chamber...@gmail.com> wrote: > The chargeStatePredictor filter in msconvert can override existing charge > states and put in multiple > possible charge states for multiply charged spectra and charge=1 for singly > charged spectra (based > on %TIC below the precursor m/z). It works fine with mzML but I'm not sure > how X!T would handle it > or how it gets represented in mzXML. You could also just replace all charge > states with 0 and X!T > would probably ignore them. > > -Matt > > On 4/27/2012 9:40 AM, polia...@med.umich.edu wrote: > > > > > > > > > Hi, > > I am analyzing some old data from Velos that was acquired with charge > > state screening during acquisition, i.e. charge state is determined > > and stored in .raw file. However, we now want to search this data > > without pre-determined charge state since it is often not accurately > > assigned (this is just Velos without Orbi). Is there a way to make X! > > Tandem disregard charge state in an mzXML? Just removing charge state > > field in mzXML works for X!Tandem but we later have issues with TPP as > > it fails to parse XML, > > Thanks, > > Anton. -- You received this message because you are subscribed to the Google Groups "spctools-discuss" group. To post to this group, send email to spctools-discuss@googlegroups.com. To unsubscribe from this group, send email to spctools-discuss+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/spctools-discuss?hl=en.
