예제 #1
0
        internal static NEC GetInstance(NEC input, int flankSize)
        {
            SpecialFunctions.CheckCondition(input.N.Length >= flankSize && input.C.Length >= flankSize, "The input flank size should not be larger than the new flank size");
            NEC output = NEC.GetInstance(input.N.Remove(0, input.N.Length - flankSize), input.E, input.C.Substring(0, flankSize));

            return(output);
        }
예제 #2
0
        public static NEC GetInstanceWithPossibleNulls(int flankingSize, string mer, string protein, int position)
        {
            string e = protein.Substring(position, mer.Length);

            string n;

            if (position - flankingSize < 0)
            {
                //Console.WriteLine("Warning: matching position in protein too close to start to create left flanking region");
                n = null;
            }
            else
            {
                n = protein.Substring(position - flankingSize, flankingSize);
            }

            string c;

            if (position + mer.Length + flankingSize > protein.Length)
            {
                //Console.WriteLine("Warning: matching position in protein too close to end to create right flanking region");
                c = null;
            }
            else
            {
                c = protein.Substring(position + mer.Length, flankingSize);
            }
            NEC nec = NEC.GetInstance(n, e, c);

            return(nec);
        }
예제 #3
0
        public static NEC GetRandomInstance(NEC sample, Dictionary <char, int> aaToCount, ref Random random)
        {
            string n = RandomAAString(aaToCount, sample.N.Length, ref random);
            string e = RandomAAString(aaToCount, sample.E.Length, ref random);
            string c = RandomAAString(aaToCount, sample.C.Length, ref random);

            return(NEC.GetInstance(n, e, c));
        }
예제 #4
0
        public static NEC GetConsensusInstanceWithPossibleNullFlanks(string mer, Set <NEC> necSet, ref Random random)
        {
            DebugCheckMerSameLengthAsEInSet(mer, necSet);
            string n   = FindConsensusOrNull(necSet, GetN, ref random);
            string c   = FindConsensusOrNull(necSet, GetC, ref random);
            NEC    nec = NEC.GetInstance(n, mer, c);

            return(nec);
        }
예제 #5
0
        public static NEC GetInstance(string necString)
        {
            string[] fieldCollection = necString.Split(',');
            SpecialFunctions.CheckCondition(fieldCollection.Length == 3);
            for (int iField = 0; iField < fieldCollection.Length; ++iField)
            {
                if (fieldCollection[iField] == "null")
                {
                    fieldCollection[iField] = null;
                }
            }
            NEC nec = NEC.GetInstance(fieldCollection[0], fieldCollection[1], fieldCollection[2]);

            return(nec);
        }
        //static private Dictionary<Pair<NEC, Hla>, bool> CloseHuman = null;

        //GeneratorType.Hla | GeneratorType.Position | GeneratorType.Property | GeneratorType.AndHla | GeneratorType.Zero6Supertype | GeneratorType.AndZero6Supertype
        private static Set <IHashableFeature> GenerateFeatureSet(
            object entity, string supertypeTableSource,
            int?flankSizeOrNull,
            bool includeFlankNECFeatures,
            bool includeChemicalProperties, bool includeAAFeatures,
            bool addEiFeatures
            )
        {
            bool includeAndHlaAndSTWithEpitopeAdjFeatures = false;
            bool subtractSupertypeFeatures         = false;
            bool subtractHlaFeatures               = false;
            bool substractChemAACrissCrossFeatures = false;


            SpecialFunctions.CheckCondition(!includeAndHlaAndSTWithEpitopeAdjFeatures || includeFlankNECFeatures);

            Pair <NEC, Hla> necAndHlaX = (Pair <NEC, Hla>)entity;
            NEC             nec        = (null == flankSizeOrNull) ? necAndHlaX.First : NEC.GetInstance(necAndHlaX.First, (int)flankSizeOrNull);
            Hla             hla        = necAndHlaX.Second;

            Debug.Assert(nec.N.Length == nec.C.Length); // real assert
            Pair <NEC, Hla> necAndHla = new Pair <NEC, Hla>(nec, hla);

            Set <IHashableFeature> hlaishFeatureSet = new Set <IHashableFeature>();

            CreateAndAddHlaFeature(subtractHlaFeatures, hla, necAndHla, ref hlaishFeatureSet);
            CreateAndAddFeatureSupertype(supertypeTableSource, subtractSupertypeFeatures, hla, necAndHla, ref hlaishFeatureSet, Assembly.GetExecutingAssembly(), Predictor.ResourceString);

            Set <IHashableFeature> featureSet = Set <IHashableFeature> .GetInstance(hlaishFeatureSet);

            if (addEiFeatures)
            {
                AddEiFeatures(includeChemicalProperties, includeAAFeatures, substractChemAACrissCrossFeatures, nec, necAndHla, hlaishFeatureSet, featureSet);
            }



            if (includeFlankNECFeatures)
            {
                List <IHashableFeature> aaInNFlankFeatureList = new List <IHashableFeature>(In.GetAASeqInRegionInstance(1, necAndHla, NFlank.GetInstance()));
                DebugCheckThatEvaluatesToTrue(necAndHla, aaInNFlankFeatureList);



                if (includeAAFeatures)
                {
                    featureSet.AddNewRange(aaInNFlankFeatureList);                                                    //AA in N flank
                    featureSet.AddNewRange(In.GetAASeqInRegionInstance(2, necAndHla, NFlank.GetInstance()));          //AA1-AA2 in Nflank
                    featureSet.AddNewRange(SubSeq.GetInSubSeqEnumeration(NFlank.GetInstance(), false, 1, necAndHla)); //AA@x in N flank (numbering is 5 4 3 2 1)
                    featureSet.AddNewRange(SubSeq.GetInSubSeqEnumeration(NFlank.GetInstance(), false, 2, necAndHla)); //AA1-AA2@x in Nflank (x is position of AA2, i.e., the smaller number)


                    featureSet.AddNewRange(In.GetAASeqInRegionInstance(1, necAndHla, CFlank.GetInstance()));         //AA in Cflank
                    featureSet.AddNewRange(In.GetAASeqInRegionInstance(2, necAndHla, CFlank.GetInstance()));         //AA1-AA2 in Cflank
                    featureSet.AddNewRange(SubSeq.GetInSubSeqEnumeration(CFlank.GetInstance(), true, 1, necAndHla)); //AA@x in C flank (numbering is 1 2 3 4 5)
                    featureSet.AddNewRange(SubSeq.GetInSubSeqEnumeration(CFlank.GetInstance(), true, 2, necAndHla)); //AA1-AA2@x in Cflank (x is position of AA1, i.e., the smaller number)
                }

                if (includeChemicalProperties)
                {
                    featureSet.AddNewOrOldRange(InProperty.GetPropertySeqInRegionInstance(1, necAndHla, NFlank.GetInstance()));
                    featureSet.AddNewOrOldRange(SubSeq.GetInPropertySubSeqEnumeration(NFlank.GetInstance(), false, 1, necAndHla));
                    featureSet.AddNewOrOldRange(InProperty.GetPropertySeqInRegionInstance(1, necAndHla, CFlank.GetInstance()));
                    featureSet.AddNewOrOldRange(SubSeq.GetInPropertySubSeqEnumeration(CFlank.GetInstance(), true, 1, necAndHla));
                    featureSet.AddNewOrOldRange(InProperty.GetPropertySeqInRegionInstance(2, necAndHla, NFlank.GetInstance()));
                    featureSet.AddNewOrOldRange(SubSeq.GetInPropertySubSeqEnumeration(NFlank.GetInstance(), false, 2, necAndHla));
                    featureSet.AddNewOrOldRange(InProperty.GetPropertySeqInRegionInstance(2, necAndHla, CFlank.GetInstance()));
                    featureSet.AddNewOrOldRange(SubSeq.GetInPropertySubSeqEnumeration(CFlank.GetInstance(), true, 2, necAndHla));
                }
            }
            if (includeFlankNECFeatures)
            {
                if (includeAAFeatures)
                {
                    //EV in Epitope
                    AddFeatureWithOptionalAndHlaAndST(In.GetAASeqInRegionInstance(2, necAndHla, Epitope.GetInstance()), includeAndHlaAndSTWithEpitopeAdjFeatures, hlaishFeatureSet, false, ref featureSet);//AA1-AA2 in Epitope

                    //RR in Epitope[@1-2]
                    AddFeatureWithOptionalAndHlaAndST(SubSeq.GetInSubSeqEnumeration(Epitope.GetInstance(), true, 2, necAndHla), includeAndHlaAndSTWithEpitopeAdjFeatures, hlaishFeatureSet, false, ref featureSet);//AA1-AA2@x in Epitope (x is position of AA1, i.e., the smaller number)
                }
                if (includeChemicalProperties)
                {
                    //polar,cyclic in Epitope
                    AddFeatureWithOptionalAndHlaAndST(InProperty.GetPropertySeqInRegionInstance(2, necAndHla, Epitope.GetInstance()), includeAndHlaAndSTWithEpitopeAdjFeatures, hlaishFeatureSet, false, ref featureSet);
                    //polar,large in Epitope[@8-9]
                    AddFeatureWithOptionalAndHlaAndST(SubSeq.GetInPropertySubSeqEnumeration(Epitope.GetInstance(), true, 2, necAndHla), includeAndHlaAndSTWithEpitopeAdjFeatures, hlaishFeatureSet, false, ref featureSet);
                }

                //AA1-AA2 in Nflank,Epitope, etc
                if (null != flankSizeOrNull && (int)flankSizeOrNull > 0)
                {
                    string epitope = (string)Epitope.GetInstance().Evaluate(entity);

                    SubSeq lastNAAFeature = SubSeq.GetInstance(1, 1, false, NFlank.GetInstance());
                    string lastNAA        = (string)lastNAAFeature.Evaluate(entity);
                    In     inLastNAA      = In.GetInstance(lastNAA, lastNAAFeature);

                    SubSeq firstEAAFeature = SubSeq.GetInstance(1, 1, true, Epitope.GetInstance());
                    string firstEAA        = (string)firstEAAFeature.Evaluate(entity);
                    Debug.Assert(firstEAA == epitope.Substring(0, 1));// real assert
                    In inFirstEAA = In.GetInstance(firstEAA, firstEAAFeature);

                    SubSeq lastEAAFeature = SubSeq.GetInstance(epitope.Length, epitope.Length, true, Epitope.GetInstance());
                    string lastEAA        = (string)lastEAAFeature.Evaluate(entity);
                    In     inLastEAA      = In.GetInstance(lastEAA, lastEAAFeature);

                    SubSeq firstCAAFeature = SubSeq.GetInstance(1, 1, true, CFlank.GetInstance());
                    string firstCAA        = (string)firstCAAFeature.Evaluate(entity);
                    In     inFirstCAA      = In.GetInstance(firstCAA, firstCAAFeature);

                    if (includeAAFeatures)
                    {
                        And andLastNNAAFirstEAA = And.GetInstance(inLastNAA, inFirstEAA);
                        AddFeatureWithOptionalAndHlaAndST(andLastNNAAFirstEAA, includeAndHlaAndSTWithEpitopeAdjFeatures, hlaishFeatureSet, /*checkThatNew*/ true, ref featureSet);

                        And andLastEAAFirstCAA = And.GetInstance(inLastEAA, inFirstCAA);
                        AddFeatureWithOptionalAndHlaAndST(andLastEAAFirstCAA, includeAndHlaAndSTWithEpitopeAdjFeatures, hlaishFeatureSet, /*checkThatNew*/ true, ref featureSet);
                    }

                    if (includeChemicalProperties)
                    {
                        foreach (string lastNProperty in KmerProperties.AaToPropList[Biology.GetInstance().OneLetterAminoAcidAbbrevTo3Letter[lastNAA[0]]])
                        {
                            InProperty inLastNProperty = InProperty.GetInstance(lastNProperty, lastNAAFeature);

                            foreach (string firstEProperty in KmerProperties.AaToPropList[Biology.GetInstance().OneLetterAminoAcidAbbrevTo3Letter[firstEAA[0]]])
                            {
                                InProperty inFirstEProperty = InProperty.GetInstance(firstEProperty, firstEAAFeature); //!!!get this out of the loop?
                                And        andLastNPropertyFirstEProperty = And.GetInstance(inLastNProperty, inFirstEProperty);
                                AddFeatureWithOptionalAndHlaAndST(andLastNPropertyFirstEProperty, includeAndHlaAndSTWithEpitopeAdjFeatures, hlaishFeatureSet, /*checkThatNew*/ false, ref featureSet);
                                Debug.Assert((bool)andLastNPropertyFirstEProperty.Evaluate(necAndHla));
                            }
                        }
                        foreach (string lastEProperty in KmerProperties.AaToPropList[Biology.GetInstance().OneLetterAminoAcidAbbrevTo3Letter[lastEAA[0]]])
                        {
                            InProperty inlastEProperty = InProperty.GetInstance(lastEProperty, lastEAAFeature);

                            foreach (string firstCProperty in KmerProperties.AaToPropList[Biology.GetInstance().OneLetterAminoAcidAbbrevTo3Letter[firstCAA[0]]])
                            {
                                InProperty infirstCProperty = InProperty.GetInstance(firstCProperty, firstCAAFeature); //!!!get this out of the loop?
                                And        andlastEPropertyfirstCProperty = And.GetInstance(inlastEProperty, infirstCProperty);
                                AddFeatureWithOptionalAndHlaAndST(andlastEPropertyfirstCProperty, includeAndHlaAndSTWithEpitopeAdjFeatures, hlaishFeatureSet, /*checkThatNew*/ false, ref featureSet);
                                Debug.Assert((bool)andlastEPropertyfirstCProperty.Evaluate(necAndHla));
                            }
                        }
                    }
                }
            }

            return(featureSet);
        }
예제 #7
0
        public static bool TryCreateInstance(string epitopeString, int aa1PosStart, int aa1PosLast, AASeq aaSeqConsensus, out NEC nec)
        {
            AASeq aaSeqSubConsensus = aaSeqConsensus.SubSeqAA1Pos(aa1PosStart, epitopeString.Length);

            Debug.Assert(aaSeqSubConsensus.OriginalAA1Position(0) == aa1PosStart.ToString()); // real assert
            string consensusAsString = aaSeqConsensus.ToString();

            int flankingSize = 5;

            //Create a string builder to file from back to front
            StringBuilder sbN      = new StringBuilder(new string(' ', flankingSize));
            int           sbNIndex = flankingSize - 1;

            //Look at the characters of the concensus moving to the left
            for (int aa1Pos = aa1PosStart - 1;; --aa1Pos)
            {
                if (aa1Pos < 1)
                {
                    Console.WriteLine("Warning: for epitope {0}, the epitope position is too close to the left of the protein to create a c region of length 5. Skipping epitope", epitopeString);
                    nec = null;
                    return(false);
                }

                char aa = consensusAsString[aa1Pos - 1];
                if (aa == '-')
                {
                    continue;
                }
                sbN[sbNIndex] = aa;
                --sbNIndex;
                if (sbNIndex < 0)
                {
                    break;
                }
            }

            StringBuilder sbC = new StringBuilder();

            //Look at the characters of the concensus moving to the right
            for (int aa1Pos = aa1PosLast + 1; ; ++aa1Pos)
            {
                if (aa1Pos > consensusAsString.Length)
                {
                    Console.WriteLine("Warning: for epitope {0}, the epitope position is too close to the right of the protein to create a n region of length 5. Skipping epitope", epitopeString);
                    nec = null;
                    return(false);
                }

                char aa = consensusAsString[aa1Pos - 1];
                if (aa == '-')
                {
                    continue;
                }
                sbC.Append(aa);
                if (sbC.Length == flankingSize)
                {
                    break;
                }
            }



            nec = NEC.GetInstance(sbN.ToString(), epitopeString, sbC.ToString());

            return(true);
        }