Hello Vijay, This value means that no peptides survived statistical outlier removal and thus no quantification was done at the protein level.
You can find more information by downloading the file that is linked from our wiki page on Libra: http://tools.proteomecenter.org/wiki/index.php?title=Software:Libra Hope this helps, --Luis On Tue, Jun 14, 2016 at 1:42 PM, Vijay Kumar <[email protected]> wrote: > Hi, > I am running Libra for my iTRAQ 4 plex, the commands are successful and i > got result also. How can i read this result and what is meaning -9 in all > four channel? > > 2 sp|F1NSM7|OC116_CHICK *1.0000* > coverage: 7.3% LIBRA (0) > 114.0: -9.00 ± -9.00 > 115.0: -9.00 ± -9.00 > 116.0: -9.00 ± -9.00 > 117.0: -9.00 ± -9.00 num unique peps: 3 tot indep spectra: 3 share of > spectrum ids: 0.04% > > -- > You received this message because you are subscribed to the Google Groups > "spctools-discuss" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at https://groups.google.com/group/spctools-discuss. > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "spctools-discuss" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/spctools-discuss. For more options, visit https://groups.google.com/d/optout.
