public void ApplyFixedModifications(Modification[] modifications, IProteinSet proteinSet, string sequence)
{
PeptideModificationCounts modCounts;
monoisotopicMass +=
ApplyFixedModifications(modifications, sequence, IsNterm(), IsCterm(proteinSet), length, out modCounts);
fixedModifications = modCounts;
}
private static ModifiedPeptide[] FilterEqualMods(IEnumerable <ModifiedPeptide> peptides)
{
Dictionary <PeptideModificationCounts, ModifiedPeptide> x =
new Dictionary <PeptideModificationCounts, ModifiedPeptide>();
foreach (ModifiedPeptide p in peptides)
{
PeptideModificationCounts mod = p.modifications.ProjectToCounts();
if (!x.ContainsKey(mod))
{
x.Add(mod, p);
}
}
return(DataUtil.GetValues(x));
}
public static double ApplyFixedModifications(Modification[] mods, string sequence, bool isNterm, bool isCterm, int len,
out PeptideModificationCounts modCounts)
{
ushort[] modifications = new ushort[len];
for (int i = 0; i < len; i++)
{
modifications[i] = ushort.MaxValue;
}
ushort nTermModification = ushort.MaxValue;
ushort cTermModification = ushort.MaxValue;
double deltaMass = 0;
foreach (Modification mod in mods)
{
deltaMass += ApplyFixedModification(mod, sequence, isNterm, isCterm, modifications,
ref nTermModification, ref cTermModification);
}
modCounts = PeptideModificationState.ProjectToCounts(modifications, nTermModification, cTermModification);
return(deltaMass);
}
