Ejemplo n.º 1
0
        public void IgnoreMultipleTags()
        {
            var modificationLookup = new CompositeModificationLookup(new[]
            {
                new IgnoreKeyModificationLookup(ProFormaKey.Mass),
                new IgnoreKeyModificationLookup(ProFormaKey.Info)
            });

            var term = new ProFormaTerm("SEQVENCE", tags: new List <ProFormaTag>
            {
                new ProFormaTag(3, new[] { new ProFormaDescriptor(ProFormaKey.Mass, "14.05") }),
                new ProFormaTag(5, new[] { new ProFormaDescriptor(ProFormaKey.Info, "not important") })
            });;
            var proteoform = _factory.CreateProteoformGroup(term, modificationLookup);

            Assert.IsNull(proteoform.LocalizedModifications);

            term = new ProFormaTerm("SEQVENCE", tags: new List <ProFormaTag>
            {
                new ProFormaTag(3, new[]
                {
                    new ProFormaDescriptor(ProFormaKey.Mass, "14.05"),
                    new ProFormaDescriptor(ProFormaKey.Info, "not important")
                })
            });
            proteoform = _factory.CreateProteoformGroup(term, modificationLookup);

            Assert.IsNull(proteoform.LocalizedModifications);
        }
Ejemplo n.º 2
0
        public void MultipleDefaultLookups()
        {
            var lookup = new CompositeModificationLookup(new[] { _psiModLookup, _unimodLookup });

            var mod_psi = lookup.GetModification(new ProFormaDescriptor(ProFormaKey.Name, "3-hydroxy-L-proline"));

            Assert.IsNotNull(mod_psi);

            var mod_uni = lookup.GetModification(new ProFormaDescriptor(ProFormaKey.Name, "Trimethyl"));

            Assert.IsNotNull(mod_uni);
        }
Ejemplo n.º 3
0
        public void MultipleModsOneSite()
        {
            var modificationLookup = new CompositeModificationLookup(new IProteoformModificationLookup[]
            {
                new IgnoreKeyModificationLookup(ProFormaKey.Mass),
                new IgnoreKeyModificationLookup(ProFormaKey.Info),
                new BrnoModificationLookup(_elementProvider),
                _residLookup
            });

            // Modifications have same chemical formula ... OK
            var term = new ProFormaTerm("SEQVKENCE", tags: new List <ProFormaTag>
            {
                new ProFormaTag(4, new[]
                {
                    this.CreateBrnoDescriptor("ph"),
                    new ProFormaDescriptor(ProFormaKey.Identifier, ProFormaEvidenceType.Resid, "AA0038")
                })
            });
            var proteoform = _factory.CreateProteoformGroup(term, modificationLookup);

            Assert.IsNotNull(proteoform.LocalizedModifications);
            Assert.AreEqual(1, proteoform.LocalizedModifications.Count);
            Assert.AreEqual(4, ((IProteoformLocalizedModification)proteoform.LocalizedModifications.Single()).ZeroBasedStartIndex);

            // Modifications have different chemical formulas ... throw!
            term = new ProFormaTerm("SEQVKENCE", tags: new List <ProFormaTag>
            {
                new ProFormaTag(4, new[]
                {
                    this.CreateBrnoDescriptor("me1"),
                    this.CreateBrnoDescriptor("ac")
                })
            });
            Assert.Throws <ProteoformGroupCreateException>(() => _factory.CreateProteoformGroup(term, modificationLookup));

            // What about different mods at different indexes?
            term = new ProFormaTerm("SEQVKENCE", tags: new List <ProFormaTag>
            {
                new ProFormaTag(4, new[]
                {
                    this.CreateBrnoDescriptor("ac")
                }),
                new ProFormaTag(7, new[]
                {
                    this.CreateBrnoDescriptor("me1"),
                })
            });
            proteoform = _factory.CreateProteoformGroup(term, modificationLookup);
            Assert.IsNotNull(proteoform.LocalizedModifications);
            Assert.AreEqual(2, proteoform.LocalizedModifications.Count);

            // What about descriptors that don't have chemical formulas?
            term = new ProFormaTerm("SEQVKENCE", tags: new List <ProFormaTag>
            {
                new ProFormaTag(7, new[]
                {
                    this.CreateBrnoDescriptor("me1"),
                    new ProFormaDescriptor(ProFormaKey.Info, "hello!")
                })
            });
            proteoform = _factory.CreateProteoformGroup(term, modificationLookup);
            Assert.IsNotNull(proteoform.LocalizedModifications);
            Assert.AreEqual(1, proteoform.LocalizedModifications.Count);
            Assert.AreEqual(7, ((IProteoformLocalizedModification)proteoform.LocalizedModifications.Single()).ZeroBasedStartIndex);

            // Multiple N terminal mods.
            term = new ProFormaTerm("SEQVKENCE", null,
                                    new[]
            {
                this.CreateBrnoDescriptor("ph"),
                new ProFormaDescriptor(ProFormaKey.Identifier, ProFormaEvidenceType.Resid, "AA0038")
            }, null, null
                                    );
            proteoform = _factory.CreateProteoformGroup(term, modificationLookup);
            Assert.IsNull(proteoform.LocalizedModifications);
            Assert.IsNotNull(proteoform.NTerminalModification);

            term = new ProFormaTerm("SEQVKENCE", null,
                                    new[]
            {
                this.CreateBrnoDescriptor("me1"),
                this.CreateBrnoDescriptor("ac")
            }, null, null
                                    );
            Assert.Throws <ProteoformGroupCreateException>(() => _factory.CreateProteoformGroup(term, modificationLookup));

            // Multiple C terminal mods.
            term = new ProFormaTerm("SEQVKENCE", null, null,
                                    new[]
            {
                this.CreateBrnoDescriptor("ph"),
                new ProFormaDescriptor(ProFormaKey.Identifier, ProFormaEvidenceType.Resid, "AA0038")
            }, null
                                    );
            proteoform = _factory.CreateProteoformGroup(term, modificationLookup);
            Assert.IsNull(proteoform.LocalizedModifications);
            Assert.IsNotNull(proteoform.CTerminalModification);

            term = new ProFormaTerm("SEQVKENCE", null, null,
                                    new[]
            {
                this.CreateBrnoDescriptor("me1"),
                this.CreateBrnoDescriptor("ac")
            }, null
                                    );
            Assert.Throws <ProteoformGroupCreateException>(() => _factory.CreateProteoformGroup(term, modificationLookup));
        }