public static void GlyTest_GlyGetTheoreticalFragments()
{
Protein pep = new Protein("TKPREEQYNSTYR", "accession");
DigestionParams digestionParams = new DigestionParams(minPeptideLength: 7);
var aPeptideWithSetModifications = pep.Digest(digestionParams, new List <Modification>(), new List <Modification>());
string[] motifs = new string[] { "Nxs", "Nxt" };
var sites = GlycoSpectralMatch.GetPossibleModSites(aPeptideWithSetModifications.Last(), motifs);
Glycan glycan = Glycan.Struct2Glycan("(N(F)(N(H(H(N))(H(N)))))", 0);
//using (StreamWriter output = new StreamWriter(Path.Combine(TestContext.CurrentContext.TestDirectory, "GlycanFragmentions.txt")))
//{
// foreach (var product in fragmentIons)
// {
// foreach (var ion in product.Item2)
// {
// output.WriteLine(ion.Annotation + "\t" + ion.NeutralLoss.ToString() + "\t" + ion.NeutralMass.ToString());
// }
// }
//}
CommonParameters commonParameters = new CommonParameters(deconvolutionMassTolerance: new PpmTolerance(20), trimMsMsPeaks: false);
string filePath = Path.Combine(TestContext.CurrentContext.TestDirectory, @"GlycoTestData/Glyco_3383.mgf"); //"25170.mgf"
MyFileManager myFileManager = new MyFileManager(true);
var msDataFile = myFileManager.LoadFile(filePath, commonParameters);
var listOfSortedms2Scans = MetaMorpheusTask.GetMs2Scans(msDataFile, filePath, commonParameters).ToArray();
var glycanMod = Glycan.NGlycanToModification(glycan);
var glycopep = GlycoPeptides.GenerateGlycopeptide(sites[0], aPeptideWithSetModifications.Last(), glycan);
List <Product> fragmentIons = new List <Product>();
glycopep.Fragment(DissociationType.HCD, FragmentationTerminus.Both, fragmentIons);
var glycanYIons = GlycoPeptides.GetGlycanYIons(listOfSortedms2Scans[0].PrecursorMass, glycan);
var matchedGlycanYIons = MetaMorpheusEngine.MatchFragmentIons(listOfSortedms2Scans[0], glycanYIons, commonParameters);
Assert.AreEqual(matchedGlycanYIons.Count, 14);
//TO DO: The neutroloss is not annotated well.
var matchedFragmentIons = MetaMorpheusEngine.MatchFragmentIons(listOfSortedms2Scans[0], fragmentIons, commonParameters);
var coreIons = GlycoPeptides.ScanGetTrimannosylCore(matchedFragmentIons, glycan);
Assert.AreEqual(coreIons.Count, 6);
var filter = GlycoPeptides.ScanTrimannosylCoreFilter(matchedFragmentIons, glycan);
Assert.AreEqual(filter, true);
var NGlycans = GlycanDatabase.LoadGlycan(GlobalVariables.NGlycanLocations[0], true, false);
var bestGlycans = GlycoPeptides.MatchBestGlycan(listOfSortedms2Scans[0], NGlycans.ToArray(), commonParameters).Where(p => p != null && p.Item2 >= 2).OrderByDescending(p => p.Item2).Take(100).OrderBy(p => p.Item3).ToArray();;
}
public static void Setup()
{
GlycanBox.GlobalOGlycans = GlycanDatabase.LoadGlycan(GlobalVariables.OGlycanLocations.Where(p => p.Contains("OGlycan.gdb")).First(), true, true).ToArray();
GlycanBox.GlobalOGlycanModifications = GlycanBox.BuildGlobalOGlycanModifications(GlycanBox.GlobalOGlycans);
OGlycanBoxes = GlycanBox.BuildOGlycanBoxes(3).OrderBy(p => p.Mass).ToArray();
}