Exemplo n.º 1
0
        public void TestAddDigestFeatures()
        {
            Sequence seq = new Sequence("Test", "AAANESAARBBBNPSBBKFFFNITFFRGGGNDTGGR");

            Digest digest = new Digest();

            digest.DigestProtease  = ProteaseManager.CreateProtease("Trypsin_TestAddDigestFeatures", true, "RK", "P");
            digest.ProteinSequence = seq;

            digest.MaxMissedCleavages = 0;
            digest.AddDigestFeatures();
            List <DigestPeptideInfo> peptides = (List <DigestPeptideInfo>)seq.Annotation[Digest.PEPTIDE_FEATURE_TYPE];

            Assert.AreEqual(4, peptides.Count);

            digest.MaxMissedCleavages = 1;
            digest.AddDigestFeatures();
            List <DigestPeptideInfo> missedPeptides = (List <DigestPeptideInfo>)seq.Annotation[Digest.PEPTIDE_FEATURE_TYPE];

            Assert.AreEqual(7, missedPeptides.Count);

            IRangeLocationFilter nglycanFilter = new NGlycanFilter();

            digest.MaxMissedCleavages = 0;
            digest.Filter             = nglycanFilter;
            digest.AddDigestFeatures();
            List <DigestPeptideInfo> nglycanPeptides = (List <DigestPeptideInfo>)seq.Annotation[Digest.PEPTIDE_FEATURE_TYPE];

            Assert.AreEqual(2, nglycanPeptides.Count);
            Assert.AreEqual("AAANESAAR", nglycanPeptides[0].PeptideSeq);
            Assert.AreEqual("FFFNITFFR", nglycanPeptides[1].PeptideSeq);
        }
Exemplo n.º 2
0
        public void TestLoadFromFile()
        {
            ProteaseManager.LoadFromFile(@TestContext.CurrentContext.TestDirectory + "/../../../data//proteases.xml");
            Assert.IsTrue(ProteaseManager.Registered("Trypsin"));
            Assert.IsTrue(ProteaseManager.Registered("Chymotrypsin"));
            Assert.IsTrue(ProteaseManager.Registered("LysC/P+AspC"));

            Assert.IsFalse(ProteaseManager.Registered("ProteaseNotExist"));

            Protease trypsin = ProteaseManager.GetProteaseByName("Trypsin");

            Assert.AreEqual("Trypsin", trypsin.Name);
            Assert.AreEqual(true, trypsin.IsEndoProtease);
            Assert.AreEqual("KR", trypsin.CleaveageResidues);
            Assert.AreEqual("P", trypsin.NotCleaveResidues);
        }
        private void Read(string filename)
        {
            this.dtaProteaseMap = new Dictionary <string, Protease>();

            using (var filein = new StreamReader(new FileStream(filename, FileMode.Open, FileAccess.Read)))
            {
                var    enzymeMap = new Dictionary <string, Protease>();
                string sline;
                while ((sline = filein.ReadLine()) != null && sline.Length > 0)
                {
                    Protease enzyme = ProteaseManager.ValueOf(sline);
                    string[] lines  = Regex.Split(sline, "\t");
                    enzymeMap[lines[0]] = enzyme;
                }

                while ((sline = filein.ReadLine()) != null)
                {
                    if (sline.StartsWith("DEFAULT_ENZYME"))
                    {
                        string[] lines = Regex.Split(sline, "\t");
                        this.defaultProtease = enzymeMap[lines[1]];
                        break;
                    }
                }

                while ((sline = filein.ReadLine()) != null)
                {
                    if (sline.Length == 0)
                    {
                        continue;
                    }

                    string[] lines = Regex.Split(sline, "\t");
                    if (lines.Length < 2)
                    {
                        break;
                    }

                    this.dtaProteaseMap[lines[0]] = enzymeMap[lines[1]];
                }
            }
        }
Exemplo n.º 4
0
 /// <summary>
 /// Retrieves a reference to the named Protease.(Internally calls ProteaseManager.getProteaseByName())
 /// </summary>
 /// <param name="proteaseName">A protease name that is registered in the ProteaseManager (case sensitive)</param>
 /// <returns> A Protease instance for the given protease name</returns>
 public static Protease GetProteaseByName(string proteaseName)
 {
     return(ProteaseManager.GetProteaseByName(proteaseName));
 }
Exemplo n.º 5
0
 /// <summary>
 /// Get the list of Protease names defined in the ProteaseManager (Internally calls ProteaseManager).
 /// </summary>
 /// <returns>A string array of protease names</returns>
 public static List <string> GetProteaseList()
 {
     return(ProteaseManager.GetNames());
 }