Exemplo n.º 1
0
        /// <summary>
        ///
        /// </summary>
        /// <param name="pdbId"></param>
        public void WriteDomainDnaRnaInterfaceFiles(string pdbId)
        {
            string    queryString     = string.Format("Select * From PfamDnaRnas Where PdbID = '{0}';", pdbId);
            DataTable pfamDnaRnaTable = ProtCidSettings.protcidQuery.Query(queryString);

            int[] chainDomainIds = GetEntryChainDomainIds(pfamDnaRnaTable);

            queryString = string.Format("Select PdbID, AsymID, PolymerStatus, PolymerType From AsymUnit Where PdbID = '{0}';", pdbId);
            DataTable entryAsuTable = ProtCidSettings.pdbfamQuery.Query(queryString);

            Dictionary <string, List <string> > buDomainWithMaxHmmHash = new Dictionary <string, List <string> > ();

            foreach (int chainDomainId in chainDomainIds)
            {
                SelectDomainDnaRnaInterfaces(chainDomainId, pfamDnaRnaTable, ref buDomainWithMaxHmmHash);
            }

            List <string> buIdList = new List <string> (buDomainWithMaxHmmHash.Keys);

            string[] buIds = new  string[buIdList.Count];
            buIdList.CopyTo(buIds);
            Dictionary <string, Dictionary <string, AtomInfo[]> > entryBuHash = buGenerator.BuildPdbBus(pdbId, buIds, true);

            EntryCrystal thisEntryCrystal = buGenerator.ReadEntryCrystalFromXml(pdbId);
            string       domainFile       = "";
            string       chainId          = "";
            string       chainSymOp       = "";

            foreach (string buId in buDomainWithMaxHmmHash.Keys)
            {
                List <string> domainSymOpList    = buDomainWithMaxHmmHash[buId];
                string[][]    nonProtChainSymOps = GetAllNonProtChainSymOps(pdbId, buId, entryAsuTable);
                string[]      dnaRnaChainSymOps  = nonProtChainSymOps[0];
                string[]      ligandChainSymOps  = nonProtChainSymOps[1];

                if (dnaRnaChainSymOps.Length == 0)
                {
                    continue;
                }

                foreach (string domainSymOp in domainSymOpList)
                {
                    //       string[] dnaRnaChains = GetInteractingDnaRnaChainSymOps(pdbId, buId, domainSymOp, pfamDnaRnaTable);
                    string[] domainSymOpFields = SeparateDomainFields(domainSymOp);
                    chainId    = GetDomainChainId(pdbId, buId, Convert.ToInt32(domainSymOpFields[0]), domainSymOpFields[1], pfamDnaRnaTable);
                    chainSymOp = chainId + "_" + domainSymOpFields[1];
                    domainFile = Path.Combine(pfamDnaRnaDir, pdbId + domainSymOpFields[0] + ".pfam");
                    //        WriteDomainDnaRnaInterfaceFiles(pdbId, buId, chainSymOp, dnaRnaChains, buHash, thisEntryCrystal, domainFile);
                    try
                    {
                        WriteDomainDnaRnaInterfaceFiles(pdbId, buId, chainSymOp, dnaRnaChainSymOps, ligandChainSymOps, entryBuHash[buId], thisEntryCrystal, domainFile);
                    }
                    catch (Exception ex)
                    {
                        ProtCidSettings.logWriter.WriteLine(pdbId + " " + domainSymOp + " domain-DNA/RNA interface error: " + ex.Message);
                        ProtCidSettings.logWriter.Flush();
                    }
                }
            }
        }
Exemplo n.º 2
0
        /// <summary>
        ///
        /// </summary>
        /// <param name="pdbId"></param>
        /// <returns></returns>
        public Dictionary <string, Dictionary <string, AtomInfo[]> > GetPdbBiolUnits(string pdbId, string[] nonMonomerBUs)
        {
            PdbBuGenerator pdbBuBuilder  = new PdbBuGenerator();
            string         zippedXmlFile = Path.Combine(ProtCidSettings.dirSettings.coordXmlPath, pdbId + ".xml.gz");
            string         xmlFile       = ParseHelper.UnZipFile(zippedXmlFile, ProtCidSettings.tempDir);
            //        Hashtable pdbBiolUnits = pdbBuBuilder.BuildPdbBusFromCoordFile(xmlFile, nonMonomerBUs, "ALL");
            Dictionary <string, Dictionary <string, AtomInfo[]> > pdbBiolUnits = pdbBuBuilder.BuildPdbBus(pdbId, nonMonomerBUs, false);

            if (pdbBiolUnits.Count == 0)
            {
                if (IsEntryNmrStructure(pdbId))
                {
                    Dictionary <string, Dictionary <string, AtomInfo[]> > asymUnitHash = GetAsymUnit(pdbId);
                    // the BuID is set to be 1 for NMR structure
                    // the NMR biological unit is same as asymunit
                    pdbBiolUnits.Add("1", asymUnitHash["0"]);
                }
            }
            File.Delete(xmlFile);
            return(pdbBiolUnits);
        }
Exemplo n.º 3
0
        /// <summary>
        ///
        /// </summary>
        /// <param name="pdbId"></param>
        /// <param name="chainDnaRnaTable"></param>
        public void RetrieveChainDnaRnaInteractions(string pdbId)
        {
            string[][] protDnaRnaChains = GetProtDnaRnaChains(pdbId);
            string[]   protChains       = protDnaRnaChains[0];
            string[]   dnaRnaChains     = protDnaRnaChains[1];

            if (protChains.Length == 0 || dnaRnaChains.Length == 0)
            {
                return;
            }
            string[] protDnaRnaBuIds = GetBiolAssembliesWithBothChains(pdbId, protChains, dnaRnaChains);

            Dictionary <string, Dictionary <string, AtomInfo[]> > protDnaRnaBuHash = buGenerator.BuildPdbBus(pdbId, protDnaRnaBuIds, true);

            // protein chain - DNA/RNA interactios from biological assemblies in the PDB
            foreach (string buId in protDnaRnaBuIds)
            {
                Dictionary <string, AtomInfo[]> buHash = protDnaRnaBuHash[buId];
                RetrieveProtDnaRnaInteractions(pdbId, buId, buHash, protChains, dnaRnaChains);
            }
            // retrieve protein-DNA/RNA interactions
            RetrieveChainDnaRnaInteractionsInAsu(pdbId, protChains, dnaRnaChains);
        }