Database Search Exercises > Exercise SQ1  
 
 

Exercise SQ1

Topic

A simple sequence tag search

Experimental

The sample was digested with trypsin and analysed on a ESI-QUAD-TOF. A tag has been interpreted from one of the MS/MS spectra. Precursor m/z is 738.25 with charge 2+. Residue code i means I or L and q means Q or K. Search Swiss-Prot with precursor and fragment mass tolerances of 0.5 Da

sequence tag

Tips

  • You should be able to get a strong match using a standard sequence tag

Questions

  1. What is the peptide sequence?

 

Hints | Mascot results | MS-Seq results | Answers

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