Hello Ian,
even I am getting the same error, any clue regarding how to solve the 
problem will be really helpful.

Regards,
Rishika

On Thursday, 13 November 2008 23:55:55 UTC-5, Ian wrote:
>
> Hi Natalie and Brain, 
> It seems I posted a half baked question. 
>
> Here is a fresh TPP run and output, as you will see below Protein 
> prophet quits even when the peptide output probabilities are above 
> 0.05: 
>
> [root@localhost output_added]# ../bin/xinteract -p0 -Noutput.xml -Op 
> pep.xml 
>
> ../bin/xinteract (TPP v4.1 JETSTREAM rev 0, Build 200811111648 
> (linux)) 
>
> running: "/var/TPP_new/bin/InteractParser 'output.xml' 'pep.xml' - 
> L'7'" 
>  file 1: pep.xml 
>  processed altogether 7850 results 
>
> results written to file /var/TPP_new/output_added/output.shtml 
>
> command completed in 3 sec 
>
> running: "/var/TPP_new/bin/PeptideProphetParser 'output.xml' 
> MINPROB=0" 
>  (X! Tandem (k-score)) (minprob 0) 
> init with X! Tandem (k-score) trypsin 
> MS Instrument info: Manufacturer: ThermoFinnigan, Model: LCQ Deca XP, 
> Ionization: ESI, Analyzer: Ion Trap, Detector: EMT 
>
> PeptideProphet  (TPP v4.1 JETSTREAM rev 0, Build 200811111648 (linux)) 
> AKeller@ISB 
> read in 504 1+, 3602 2+, 3610 3+, 0 4+, and 0 5+ spectra 
> Initialising statistical models ... 
> negmean = -0.551996 
> negmean = -2.05583 
> negmean = -1.56374 
> negmean = -0.2 
> negmean = -0.2 
> Iterations: .........10.........20....... 
> model complete after 28 iterations 
> command completed in 3 sec 
>
> running: "/var/TPP_new/bin/ProphetModels.pl -i output.xml" 
> Analyzing output.xml ... 
> Parsing search results "/var/TPP_new/input_added/7MIX_STD_110802_1 (X! 
> Tandem (k-score))"... 
>   => Total of 7716 hits. 
> Can't exec "gnuplot": No such file or directory at /var/TPP_new/bin/ 
> ProphetModels.pl line 376. 
> command completed in 0 sec 
>
> running: "/var/TPP_new/bin/DatabaseParser 'output.xml'" 
> command completed in 0 sec 
>
> running: "/var/TPP_new/bin/RefreshParser 'output.xml' '/var/TPP_new/ 
> fasta/crap.fasta.pro'" 
>   - Building Commentz-Walter keyword tree...  - Searching the tree... 
>   - Linking duplicate entries...  - Printing results... 
>
> command completed in 2 sec 
>
> running: "/var/TPP_new/cgi-bin/PepXMLViewer.cgi -I /var/TPP_new/ 
> output_added/output.xml" 
> command completed in 2 sec 
>
> running: "/var/TPP_new/bin/ProteinProphet 'output.xml' 
> 'output.prot.xml' XML" 
> ProteinProphet (C++) by Insilicos LLC and LabKey Software, after the 
> original Perl by A. Keller (TPP v4.1 JETSTREAM rev 0, Build 
> 200811111648 (linux)) 
>  (xml input) (using degen pep info) 
> . . . reading in /var/TPP_new/output_added/output.xml. . . 
> . . . read in 0 1+, 0 2+, 0 3+, 0 4+, 0 5+ spectra with min prob 0.05 
> no data - quitting 
>
> Ian 
>
>
> Natalie Tasman wrote: 
> > Hello Ian, 
> > 
> > I'm not sure what's going on with ProteinProphet, but if you're running 
> > xinteract on the commandline, you'll need to at least specify the "-Op" 
> > option to run ProteinProphet as well. 
> > 
> > Natalie 
> > 
> > On Thu, Nov 13, 2008 at 8:57 AM, Ian <[email protected] <javascript:>> 
> wrote: 
> > 
> > > 
> > > Hi All, 
> > > I am trying to give a dry run with TPP using the 
> > > "7MIX_STD_110802_1.xml' file available at 
> > > http://sashimi.sourceforge.net/repository.html 
> > > 
> > > All modules expect Protein Prophet work fine. It generates the 
> > > following error: 
> > > 
> > > C:\Inetpub\tpp-bin>ProteinProphet.exe put2.xml outout 
> > > ProteinProphet (C++) by Insilicos LLC and LabKey Software, after the 
> > > original Pe 
> > > rl by A. Keller (TPP v4.1 JETSTREAM rev 0, Build 200811101627 (MinGW)) 
> > >  (xml input) (using degen pep info) 
> > > . . . reading in C:/Inetpub/tpp-bin/put2.xml. . . 
> > > . . . read in 0 1+, 0 2+, 0 3+, 0 4+, 0 5+ spectra with min prob 0.05 
> > > no data - quitting 
> > > 
> > > I have verified the peptide prophet output file put2.xml, it has a 
> > > number of hits with probability >0.05. 
> > > Any tips how to fix this issue? 
> > > 
> > > Also when I try running xinteract command, it does not invoke Protein 
> > > Prophet ...stops after peptide prophet. I was able to generate these 
> > > errors on Fedora 8 also. 
> > > 
> > > Regards, 
> > > Ian 
> > > 
> > > > 
> > > 
>

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