X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2FMCview%2FPDBfile.java;h=cb3698995c4c2d708463237e56e7300118db6852;hb=ab43013b7e357b84b4abade0dba949668dfb2a0e;hp=7e46b2e2d91a5aee70e688e0f861d6f510cf99ba;hpb=22be3f466cd70cb03d5eae619ede8589ae69716a;p=jalview.git diff --git a/src/MCview/PDBfile.java b/src/MCview/PDBfile.java index 7e46b2e..cb36989 100755 --- a/src/MCview/PDBfile.java +++ b/src/MCview/PDBfile.java @@ -1,144 +1,520 @@ -package MCview; - -import jalview.gui.*; -import java.io.*; -import java.net.*; -import java.util.*; - - -public class PDBfile extends jalview.io.FileParse { - - public Vector chains = new Vector(); - - Vector lineArray = new Vector(); - - public PDBfile(String [] lines) - { - for(int i=0; i. + * The Jalview Authors are detailed in the 'AUTHORS' file. + */ +package MCview; + +import jalview.analysis.AlignSeq; +import jalview.datamodel.Alignment; +import jalview.datamodel.AlignmentAnnotation; +import jalview.datamodel.AlignmentI; +import jalview.datamodel.PDBEntry; +import jalview.datamodel.SequenceI; +import jalview.io.FileParse; +import jalview.util.MessageManager; + +import java.awt.Color; +import java.io.IOException; +import java.util.ArrayList; +import java.util.Hashtable; +import java.util.List; +import java.util.Vector; + +public class PDBfile extends jalview.io.AlignFile +{ + public Vector chains; + + public String id; + + /** + * set to true to add chain alignment annotation as visible annotation. + */ + boolean VisibleChainAnnotation = false; + + boolean processSecondaryStructure = true; + + boolean externalSecondaryStructure = false; + + public PDBfile(boolean visibleChainAnnotation, + boolean processSecondaryStructure, boolean externalSecStr) + { + super(); + VisibleChainAnnotation = visibleChainAnnotation; + this.processSecondaryStructure = processSecondaryStructure; + this.externalSecondaryStructure = externalSecStr; + } + + public PDBfile(boolean visibleChainAnnotation, + boolean processSecondaryStructure, boolean externalSecStr, + String file, String protocol) throws IOException + { + super(false, file, protocol); + VisibleChainAnnotation = visibleChainAnnotation; + this.processSecondaryStructure = processSecondaryStructure; + this.externalSecondaryStructure = externalSecStr; + doParse(); + } + + public PDBfile(boolean visibleChainAnnotation, + boolean processSecondaryStructure, boolean externalSecStr, + FileParse source) throws IOException + { + super(false, source); + VisibleChainAnnotation = visibleChainAnnotation; + this.processSecondaryStructure = processSecondaryStructure; + this.externalSecondaryStructure = externalSecStr; + doParse(); + } + + public String print() + { + return null; + } + + public void parse() throws IOException + { + // TODO set the filename sensibly - try using data source name. + id = safeName(getDataName()); + + chains = new Vector(); + ArrayList rna = new ArrayList(), prot = new ArrayList(); + PDBChain tmpchain; + String line = null; + boolean modelFlag = false; + boolean terFlag = false; + String lastID = ""; + + int index = 0; + String atomnam = null; + try + { + while ((line = nextLine()) != null) + { + if (line.indexOf("HEADER") == 0) + { + if (line.length() > 62) + { + String tid; + if (line.length() > 67) + { + tid = line.substring(62, 67).trim(); + } + else + { + tid = line.substring(62).trim(); + } + if (tid.length() > 0) + { + id = tid; + } + continue; + } + } + // Were we to do anything with SEQRES - we start it here + if (line.indexOf("SEQRES") == 0) + { + } + + if (line.indexOf("MODEL") == 0) + { + modelFlag = true; + } + + if (line.indexOf("TER") == 0) + { + terFlag = true; + } + + if (modelFlag && line.indexOf("ENDMDL") == 0) + { + break; + } + if (line.indexOf("ATOM") == 0 + || (line.indexOf("HETATM") == 0 && !terFlag)) + { + terFlag = false; + + // Jalview is only interested in CA bonds???? + atomnam = line.substring(12, 15).trim(); + if (!atomnam.equals("CA") && !atomnam.equals("P")) + { + continue; + } + + Atom tmpatom = new Atom(line); + tmpchain = findChain(tmpatom.chain); + if (tmpchain != null) + { + if (tmpatom.resNumIns.trim().equals(lastID)) + { + // phosphorylated protein - seen both CA and P.. + continue; + } + tmpchain.atoms.addElement(tmpatom); + } + else + { + tmpchain = new PDBChain(id, tmpatom.chain); + chains.addElement(tmpchain); + tmpchain.atoms.addElement(tmpatom); + } + lastID = tmpatom.resNumIns.trim(); + } + index++; + } + + makeResidueList(); + makeCaBondList(); + + if (id == null) + { + id = inFile.getName(); + } + for (int i = 0; i < chains.size(); i++) + { + SequenceI dataset = chains.elementAt(i).sequence; + dataset.setName(id + "|" + dataset.getName()); + PDBEntry entry = new PDBEntry(); + entry.setId(id); + entry.setProperty(new Hashtable()); + if (chains.elementAt(i).id != null) + { + entry.getProperty().put("CHAIN", chains.elementAt(i).id); + } + if (inFile != null) + { + entry.setFile(inFile.getAbsolutePath()); + } + else + { + // TODO: decide if we should dump the datasource to disk + entry.setFile(getDataName()); + } + dataset.addPDBId(entry); + SequenceI chainseq = dataset.deriveSequence(); // PDBChain objects + // maintain reference to + // dataset + seqs.addElement(chainseq); + if (isRNA(chainseq) == true) + { + rna.add(chainseq); + } + else + { + prot.add(chainseq); + } + + AlignmentAnnotation[] chainannot = chainseq.getAnnotation(); + + if (chainannot != null && VisibleChainAnnotation) + { + for (int ai = 0; ai < chainannot.length; ai++) + { + chainannot[ai].visible = VisibleChainAnnotation; + annotations.addElement(chainannot[ai]); + } + } + } + if (processSecondaryStructure) + { + if (externalSecondaryStructure && rna.size() > 0) + { + try + { + processPdbFileWithAnnotate3d(rna); + } catch (Exception x) + { + System.err + .println("Exceptions when dealing with RNA in pdb file"); + x.printStackTrace(); + + } + } + ; + if (prot.size() > 0) + { + try + { + processPdbFileWithJmol(prot); + } catch (Exception x) + { + System.err + .println("Exceptions from Jmol when processing data in pdb file"); + x.printStackTrace(); + + } + } + } + } catch (OutOfMemoryError er) + { + System.out.println("OUT OF MEMORY LOADING PDB FILE"); + throw new IOException( + MessageManager + .getString("exception.outofmemory_loading_pdb_file")); + } catch (NumberFormatException ex) + { + if (line != null) + { + System.err.println("Couldn't read number from line:"); + System.err.println(line); + } + } + markCalcIds(); + } + + private static String calcIdPrefix = "JalviewPDB"; + + public static boolean isCalcIdHandled(String calcId) + { + return calcId != null && (calcIdPrefix.equals(calcId)); + } + + public static boolean isCalcIdForFile(AlignmentAnnotation alan, + String pdbFile) + { + return alan.getCalcId() != null + && calcIdPrefix.equals(alan.getCalcId()) + && pdbFile.equals(alan.getProperty("PDBID")); + } + + public static String relocateCalcId(String calcId, + Hashtable alreadyLoadedPDB) throws Exception + { + int s = calcIdPrefix.length(), end = calcId.indexOf(calcIdPrefix, s); + String between = calcId.substring(s, end - 1); + return calcIdPrefix + alreadyLoadedPDB.get(between) + ":" + + calcId.substring(end); + } + + private void markCalcIds() + { + for (SequenceI sq : seqs) + { + if (sq.getAnnotation() != null) + { + for (AlignmentAnnotation aa : sq.getAnnotation()) + { + String oldId = aa.getCalcId(); + if (oldId == null) + { + oldId = ""; + } + aa.setCalcId(calcIdPrefix); + aa.setProperty("PDBID", id); + aa.setProperty("oldCalcId", oldId); + } + } + } + } + + private void processPdbFileWithJmol(ArrayList prot) + throws Exception + { + try + { + Class cl = Class.forName("jalview.ext.jmol.PDBFileWithJmol"); + if (cl != null) + { + Object jmf = cl.getConstructor(new Class[] + { FileParse.class }).newInstance(new Object[] + { new FileParse(getDataName(), type) }); + Alignment al = new Alignment((SequenceI[]) cl.getMethod( + "getSeqsAsArray", new Class[] + {}).invoke(jmf)); + cl.getMethod("addAnnotations", new Class[] + { Alignment.class }).invoke(jmf, al); + for (SequenceI sq : al.getSequences()) + { + if (sq.getDatasetSequence() != null) + { + sq.getDatasetSequence().getPDBId().clear(); + } + else + { + sq.getPDBId().clear(); + } + } + replaceAndUpdateChains(prot, al, AlignSeq.PEP, false); + } + } catch (ClassNotFoundException q) + { + } + } + + private void replaceAndUpdateChains(ArrayList prot, + AlignmentI al, String pep, boolean b) + { + List> replaced = AlignSeq + .replaceMatchingSeqsWith(seqs, annotations, prot, al, pep, + false); + for (PDBChain ch : chains) + { + int p = 0; + for (SequenceI sq : (List) replaced.get(0)) + { + p++; + if (sq == ch.sequence || sq.getDatasetSequence() == ch.sequence) + { + p = -p; + break; + } + } + if (p < 0) + { + p = -p - 1; + // set shadow entry for chains + ch.shadow = (SequenceI) replaced.get(1).get(p); + ch.shadowMap = ((AlignSeq) replaced.get(2).get(p)) + .getMappingFromS1(false); + } + } + } + + private void processPdbFileWithAnnotate3d(ArrayList rna) + throws Exception + { + // System.out.println("this is a PDB format and RNA sequence"); + // note: we use reflection here so that the applet can compile and run + // without the HTTPClient bits and pieces needed for accessing Annotate3D + // web service + try + { + Class cl = Class.forName("jalview.ws.jws1.Annotate3D"); + if (cl != null) + { + // TODO: use the PDB ID of the structure if one is available, to save + // bandwidth and avoid uploading the whole structure to the service + Object annotate3d = cl.getConstructor(new Class[] + {}).newInstance(new Object[] + {}); + AlignmentI al = ((AlignmentI) cl.getMethod("getRNAMLFor", + new Class[] + { FileParse.class }).invoke(annotate3d, new Object[] + { new FileParse(getDataName(), type) })); + for (SequenceI sq : al.getSequences()) + { + if (sq.getDatasetSequence() != null) + { + if (sq.getDatasetSequence().getPDBId() != null) + { + sq.getDatasetSequence().getPDBId().clear(); + } + } + else + { + if (sq.getPDBId() != null) + { + sq.getPDBId().clear(); + } + } + } + replaceAndUpdateChains(rna, al, AlignSeq.DNA, false); + } + } catch (ClassNotFoundException x) + { + // ignore classnotfounds - occurs in applet + } + ; + } + + /** + * make a friendly ID string. + * + * @param dataName + * @return truncated dataName to after last '/' + */ + private String safeName(String dataName) + { + int p = 0; + while ((p = dataName.indexOf("/")) > -1 && p < dataName.length()) + { + dataName = dataName.substring(p + 1); + } + return dataName; + } + + public void makeResidueList() + { + for (int i = 0; i < chains.size(); i++) + { + chains.elementAt(i).makeResidueList(VisibleChainAnnotation); + } + } + + public void makeCaBondList() + { + for (int i = 0; i < chains.size(); i++) + { + chains.elementAt(i).makeCaBondList(); + } + } + + public PDBChain findChain(String id) + { + for (int i = 0; i < chains.size(); i++) + { + if (chains.elementAt(i).id.equals(id)) + { + return chains.elementAt(i); + } + } + + return null; + } + + public void setChargeColours() + { + for (int i = 0; i < chains.size(); i++) + { + chains.elementAt(i).setChargeColours(); + } + } + + public void setColours(jalview.schemes.ColourSchemeI cs) + { + for (int i = 0; i < chains.size(); i++) + { + chains.elementAt(i).setChainColours(cs); + } + } + + public void setChainColours() + { + for (int i = 0; i < chains.size(); i++) + { + chains.elementAt(i).setChainColours( + Color.getHSBColor(1.0f / i, .4f, 1.0f)); + } + } + + public boolean isRNA(SequenceI seqs) + { + for (int i = 0; i < seqs.getLength(); i++) + { + if ((seqs.getCharAt(i) != 'A') && (seqs.getCharAt(i) != 'C') + && (seqs.getCharAt(i) != 'G') && (seqs.getCharAt(i) != 'U')) + { + return false; + } + } + + return true; + + } +}