3 import jalview.analysis.AlignSeq;
4 import jalview.api.FeatureSettingsModelI;
5 import jalview.datamodel.Alignment;
6 import jalview.datamodel.AlignmentAnnotation;
7 import jalview.datamodel.AlignmentI;
8 import jalview.datamodel.DBRefEntry;
9 import jalview.datamodel.DBRefSource;
10 import jalview.datamodel.PDBEntry;
11 import jalview.datamodel.PDBEntry.Type;
12 import jalview.datamodel.SequenceI;
13 import jalview.structure.StructureImportSettings;
15 import java.awt.Color;
16 import java.io.IOException;
17 import java.lang.reflect.Constructor;
18 import java.util.Hashtable;
19 import java.util.List;
20 import java.util.Vector;
22 import MCview.PDBChain;
24 public abstract class StructureFile extends AlignFile
29 private PDBEntry.Type dbRefType;
32 * set to true to add derived sequence annotations (temp factor read from
33 * file, or computed secondary structure) to the alignment
35 protected boolean visibleChainAnnotation = false;
38 * Set true to predict secondary structure (using JMol for protein, Annotate3D
41 protected boolean predictSecondaryStructure = false;
44 * Set true (with predictSecondaryStructure=true) to predict secondary
45 * structure using an external service (currently Annotate3D for RNA only)
47 protected boolean externalSecondaryStructure = false;
49 private Vector<PDBChain> chains;
51 public StructureFile(String inFile, String type) throws IOException
56 public StructureFile(FileParse fp) throws IOException
61 public void addSettings(boolean addAlignmentAnnotations,
62 boolean predictSecondaryStructure, boolean externalSecStr)
64 this.visibleChainAnnotation = addAlignmentAnnotations;
65 this.predictSecondaryStructure = predictSecondaryStructure;
66 this.externalSecondaryStructure = externalSecStr;
69 public void xferSettings()
71 this.visibleChainAnnotation = StructureImportSettings
72 .isVisibleChainAnnotation();
73 this.predictSecondaryStructure = StructureImportSettings
74 .isProcessSecondaryStructure();
75 this.externalSecondaryStructure = StructureImportSettings
76 .isExternalSecondaryStructure();
80 public StructureFile(boolean parseImmediately, String dataObject, String type)
83 super(parseImmediately, dataObject, type);
86 public StructureFile(boolean a, FileParse fp) throws IOException
91 public StructureFile()
95 @SuppressWarnings("rawtypes")
96 protected SequenceI postProcessChain(PDBChain chain)
98 SequenceI pdbSequence = chain.sequence;
99 pdbSequence.setName(getId() + "|" + pdbSequence.getName());
100 PDBEntry entry = new PDBEntry();
101 entry.setId(getId());
102 entry.setType(this.dbRefType);
103 entry.setProperty(new Hashtable());
104 if (chain.id != null)
106 entry.setChainCode(String.valueOf(chain.id));
110 entry.setFile(inFile.getAbsolutePath());
114 entry.setFile(getDataName());
117 DBRefEntry sourceDBRef = new DBRefEntry();
118 sourceDBRef.setAccessionId(getId());
119 sourceDBRef.setSource(DBRefSource.PDB);
120 // TODO: specify version for 'PDB' database ref if it is read from a file.
121 // TODO: decide if jalview.io should be creating primary refs!
122 sourceDBRef.setVersion("");
123 pdbSequence.addPDBId(entry);
124 pdbSequence.addDBRef(sourceDBRef);
125 SequenceI chainseq = pdbSequence;
126 seqs.addElement(chainseq);
127 AlignmentAnnotation[] chainannot = chainseq.getAnnotation();
129 if (chainannot != null && visibleChainAnnotation)
131 for (int ai = 0; ai < chainannot.length; ai++)
133 chainannot[ai].visible = visibleChainAnnotation;
134 annotations.addElement(chainannot[ai]);
140 @SuppressWarnings({ "unchecked", "rawtypes" })
141 protected void processPdbFileWithAnnotate3d(List<SequenceI> rna)
144 // System.out.println("this is a PDB format and RNA sequence");
145 // note: we use reflection here so that the applet can compile and run
146 // without the HTTPClient bits and pieces needed for accessing Annotate3D
150 Class cl = Class.forName("jalview.ws.jws1.Annotate3D");
153 // TODO: use the PDB ID of the structure if one is available, to save
154 // bandwidth and avoid uploading the whole structure to the service
155 Object annotate3d = cl.getConstructor(new Class[] {}).newInstance(
157 AlignmentI al = ((AlignmentI) cl.getMethod("getRNAMLFor",
158 new Class[] { FileParse.class }).invoke(annotate3d,
159 new Object[] { new FileParse(getDataName(), type) }));
160 for (SequenceI sq : al.getSequences())
162 if (sq.getDatasetSequence() != null)
164 if (sq.getDatasetSequence().getAllPDBEntries() != null)
166 sq.getDatasetSequence().getAllPDBEntries().clear();
171 if (sq.getAllPDBEntries() != null)
173 sq.getAllPDBEntries().clear();
177 replaceAndUpdateChains(rna, al, AlignSeq.DNA, false);
179 } catch (ClassNotFoundException x)
181 // ignore classnotfounds - occurs in applet
185 @SuppressWarnings("unchecked")
186 protected void replaceAndUpdateChains(List<SequenceI> prot,
187 AlignmentI al, String pep, boolean b)
189 List<List<? extends Object>> replaced = AlignSeq
190 .replaceMatchingSeqsWith(seqs, annotations, prot, al, pep,
192 for (PDBChain ch : getChains())
195 for (SequenceI sq : (List<SequenceI>) replaced.get(0))
198 if (sq == ch.sequence || sq.getDatasetSequence() == ch.sequence)
207 // set shadow entry for chains
208 ch.shadow = (SequenceI) replaced.get(1).get(p);
209 ch.shadowMap = ((AlignSeq) replaced.get(2).get(p))
210 .getMappingFromS1(false);
216 * Predict secondary structure for RNA and/or protein sequences and add as
219 * @param rnaSequences
220 * @param proteinSequences
222 protected void addSecondaryStructure(List<SequenceI> rnaSequences,
223 List<SequenceI> proteinSequences)
226 * Currently using Annotate3D for RNA, but only if the 'use external
227 * prediction' flag is set
229 if (externalSecondaryStructure && rnaSequences.size() > 0)
233 processPdbFileWithAnnotate3d(rnaSequences);
234 } catch (Exception x)
236 System.err.println("Exceptions when dealing with RNA in pdb file");
243 * Currently using JMol PDB parser for peptide
245 if (proteinSequences.size() > 0)
249 processWithJmolParser(proteinSequences);
250 } catch (Exception x)
253 .println("Exceptions from Jmol when processing data in pdb file");
259 @SuppressWarnings({ "unchecked", "rawtypes" })
260 private void processWithJmolParser(List<SequenceI> prot) throws Exception
265 Class cl = Class.forName("jalview.ext.jmol.JmolParser");
268 final Constructor constructor = cl.getConstructor(new Class[] {
269 boolean.class, boolean.class, boolean.class, FileParse.class });
270 final Object[] args = new Object[] { visibleChainAnnotation,
271 predictSecondaryStructure, externalSecondaryStructure,
272 new FileParse(getDataName(), type) };
274 StructureImportSettings.setShowSeqFeatures(false);
275 StructureImportSettings.setVisibleChainAnnotation(false);
276 StructureImportSettings
277 .setProcessSecondaryStructure(predictSecondaryStructure);
278 StructureImportSettings
279 .setExternalSecondaryStructure(externalSecondaryStructure);
280 Object jmf = constructor.newInstance(args);
281 AlignmentI al = new Alignment((SequenceI[]) cl.getMethod(
282 "getSeqsAsArray", new Class[] {}).invoke(jmf));
283 cl.getMethod("addAnnotations", new Class[] { AlignmentI.class })
285 for (SequenceI sq : al.getSequences())
287 if (sq.getDatasetSequence() != null)
289 sq.getDatasetSequence().getAllPDBEntries().clear();
293 sq.getAllPDBEntries().clear();
296 replaceAndUpdateChains(prot, al, AlignSeq.PEP, false);
298 } catch (ClassNotFoundException q)
301 StructureImportSettings.setShowSeqFeatures(true);
304 public PDBChain findChain(String id) throws Exception
306 for (PDBChain chain : getChains())
308 if (chain.id.equals(id))
313 throw new Exception("PDB chain not Found!");
316 public void makeResidueList()
318 for (PDBChain chain : getChains())
320 chain.makeResidueList(visibleChainAnnotation);
324 public void makeCaBondList()
326 for (PDBChain chain : getChains())
328 chain.makeCaBondList();
332 public void setChargeColours()
334 for (PDBChain chain : getChains())
336 chain.setChargeColours();
340 public void setColours(jalview.schemes.ColourSchemeI cs)
342 for (PDBChain chain : getChains())
344 chain.setChainColours(cs);
348 public void setChainColours()
351 for (PDBChain chain : getChains())
353 chain.setChainColours(Color.getHSBColor(1.0f / i++, .4f, 1.0f));
357 public static boolean isRNA(SequenceI seq)
359 for (char c : seq.getSequence())
361 if ((c != 'A') && (c != 'C') && (c != 'G') && (c != 'U'))
370 * make a friendly ID string.
373 * @return truncated dataName to after last '/'
375 protected String safeName(String dataName)
378 while ((p = dataName.indexOf("/")) > -1 && p < dataName.length())
380 dataName = dataName.substring(p + 1);
385 public String getId()
390 public void setId(String id)
395 public Vector<PDBChain> getChains()
400 public void setChains(Vector<PDBChain> chains)
402 this.chains = chains;
405 public Type getDbRefType()
410 public void setDbRefType(String dbRefType)
412 this.dbRefType = Type.getType(dbRefType);
415 public void setDbRefType(Type dbRefType)
417 this.dbRefType = dbRefType;
421 * Returns a descriptor for suitable feature display settings with
423 * <li>ResNums or insertions features visible</li>
424 * <li>insertions features coloured red</li>
425 * <li>ResNum features coloured by label</li>
426 * <li>Insertions displayed above (on top of) ResNums</li>
430 public FeatureSettingsModelI getFeatureColourScheme()
432 return new PDBFeatureSettings();