X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2FMCview%2FPDBfile.java;h=58f8ed5b7a35f5b7242e24e8e1602bb4d4c3c860;hb=17e77c3f2949a0729322b4a8d907f3f34b6a9914;hp=2c7bd9dbd49205afa07ec946bed02cedea67cd94;hpb=ededfcf0edb588601c4354523b0f399c600a7241;p=jalview.git
diff --git a/src/MCview/PDBfile.java b/src/MCview/PDBfile.java
index 2c7bd9d..58f8ed5 100755
--- a/src/MCview/PDBfile.java
+++ b/src/MCview/PDBfile.java
@@ -1,44 +1,97 @@
/*
- * Jalview - A Sequence Alignment Editor and Viewer
- * Copyright (C) 2007 AM Waterhouse, J Procter, G Barton, M Clamp, S Searle
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
+ * Jalview - A Sequence Alignment Editor and Viewer (Version 2.9)
+ * Copyright (C) 2015 The Jalview Authors
+ *
+ * This file is part of Jalview.
+ *
+ * Jalview is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 3
* of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
+ *
+ * Jalview is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+ * PURPOSE. See the GNU General Public License for more details.
+ *
* You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
+ * along with Jalview. If not, see .
+ * The Jalview Authors are detailed in the 'AUTHORS' file.
*/
package MCview;
-import java.io.*;
-import java.util.*;
+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.*;
+import java.awt.Color;
+import java.io.IOException;
+import java.lang.reflect.Constructor;
+import java.util.ArrayList;
+import java.util.Hashtable;
+import java.util.List;
+import java.util.Vector;
-import jalview.datamodel.*;
-
-public class PDBfile
- extends jalview.io.AlignFile
+public class PDBfile extends jalview.io.AlignFile
{
- public Vector chains;
+ private static String CALC_ID_PREFIX = "JalviewPDB";
+
+ public Vector chains;
+
public String id;
/**
- * set to true to add chain alignment annotation as visible annotation.
+ * set to true to add derived sequence annotations (temp factor read from
+ * file, or computed secondary structure) to the alignment
+ */
+ private boolean visibleChainAnnotation = false;
+
+ /*
+ * Set true to predict secondary structure (using JMol for protein, Annotate3D
+ * for RNA)
*/
- boolean VisibleChainAnnotation=false;
- public PDBfile(String inFile, String inType)
- throws IOException
+ private boolean predictSecondaryStructure = true;
+
+ /*
+ * Set true (with predictSecondaryStructure=true) to predict secondary
+ * structure using an external service (currently Annotate3D for RNA only)
+ */
+ private boolean externalSecondaryStructure = false;
+
+ public PDBfile(boolean addAlignmentAnnotations,
+ boolean predictSecondaryStructure, boolean externalSecStr)
+ {
+ super();
+ this.visibleChainAnnotation = addAlignmentAnnotations;
+ this.predictSecondaryStructure = predictSecondaryStructure;
+ this.externalSecondaryStructure = externalSecStr;
+ }
+
+ public PDBfile(boolean addAlignmentAnnotations,
+ boolean predictSecondaryStructure, boolean externalSecStr,
+ String file, String protocol) throws IOException
+ {
+ super(false, file, protocol);
+ this.visibleChainAnnotation = addAlignmentAnnotations;
+ this.predictSecondaryStructure = predictSecondaryStructure;
+ this.externalSecondaryStructure = externalSecStr;
+ doParse();
+ }
+
+ public PDBfile(boolean addAlignmentAnnotations,
+ boolean predictSecondaryStructure, boolean externalSecStr,
+ FileParse source) throws IOException
{
- super(inFile, inType);
+ super(false, source);
+ this.visibleChainAnnotation = addAlignmentAnnotations;
+ this.predictSecondaryStructure = predictSecondaryStructure;
+ this.externalSecondaryStructure = externalSecStr;
+ doParse();
}
public String print()
@@ -46,27 +99,45 @@ public class PDBfile
return null;
}
- public void parse()
- throws IOException
+ public void parse() throws IOException
{
- // TODO set the filename sensibly
- id = (inFile==null) ? "PDBFILE" : inFile.getName();
- try
- {
- chains = new Vector();
+ // TODO set the filename sensibly - try using data source name.
+ id = safeName(getDataName());
- PDBChain tmpchain;
- String line;
- boolean modelFlag = false;
- boolean terFlag = false;
+ chains = new Vector();
+ List rna = new ArrayList();
+ List prot = new ArrayList();
+ PDBChain tmpchain;
+ String line = null;
+ boolean modelFlag = false;
+ boolean terFlag = false;
+ String lastID = "";
- int index = 0;
- while ( (line = nextLine()) != null)
+ int indexx = 0;
+ String atomnam = null;
+ try
+ {
+ while ((line = nextLine()) != null)
{
if (line.indexOf("HEADER") == 0)
{
- id = line.substring(62, 67).trim();
- continue;
+ 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)
@@ -88,13 +159,13 @@ public class PDBfile
break;
}
if (line.indexOf("ATOM") == 0
- || (line.indexOf("HETATM") == 0 && !terFlag)
- )
+ || (line.indexOf("HETATM") == 0 && !terFlag))
{
terFlag = false;
- //Jalview is only interested in CA bonds????
- if (!line.substring(12, 15).trim().equals("CA"))
+ // Jalview is only interested in CA bonds????
+ atomnam = line.substring(12, 15).trim();
+ if (!atomnam.equals("CA") && !atomnam.equals("P"))
{
continue;
}
@@ -103,6 +174,11 @@ public class PDBfile
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
@@ -111,6 +187,7 @@ public class PDBfile
chains.addElement(tmpchain);
tmpchain.atoms.addElement(tmpatom);
}
+ lastID = tmpatom.resNumIns.trim();
}
index++;
}
@@ -122,43 +199,304 @@ public class PDBfile
{
id = inFile.getName();
}
- for (int i = 0; i < chains.size(); i++)
- {
- SequenceI dataset = ( (PDBChain) chains.elementAt(i)).
- sequence;
- dataset.setName(id + "|" + dataset.getName());
- PDBEntry entry = new PDBEntry();
- entry.setId(id);
- if (inFile != null)
+ for (PDBChain chain : chains)
+ {
+ SequenceI chainseq = postProcessChain(chain);
+ if (isRNA(chainseq))
+ {
+ rna.add(chainseq);
+ }
+ else
+ {
+ prot.add(chainseq);
+ }
+ }
+ if (predictSecondaryStructure)
+ {
+ predictSecondaryStructure(rna, prot);
+ }
+ } 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();
+ }
+
+ /**
+ * Predict secondary structure for RNA and/or protein sequences and add as
+ * annotations
+ *
+ * @param rnaSequences
+ * @param proteinSequences
+ */
+ protected void predictSecondaryStructure(List rnaSequences,
+ List proteinSequences)
+ {
+ /*
+ * Currently using Annotate3D for RNA, but only if the 'use external
+ * prediction' flag is set
+ */
+ if (externalSecondaryStructure && rnaSequences.size() > 0)
+ {
+ try
+ {
+ processPdbFileWithAnnotate3d(rnaSequences);
+ } catch (Exception x)
+ {
+ System.err.println("Exceptions when dealing with RNA in pdb file");
+ x.printStackTrace();
+
+ }
+ }
+
+ /*
+ * Currently using JMol PDB parser for peptide
+ */
+ if (proteinSequences.size() > 0)
+ {
+ try
+ {
+ processPdbFileWithJmol(proteinSequences);
+ } catch (Exception x)
+ {
+ System.err
+ .println("Exceptions from Jmol when processing data in pdb file");
+ x.printStackTrace();
+ }
+ }
+ }
+
+ /**
+ * Process a parsed chain to construct and return a Sequence, and add it to
+ * the list of sequences parsed.
+ *
+ * @param chain
+ * @return
+ */
+ protected SequenceI postProcessChain(PDBChain chain)
+ {
+ SequenceI dataset = chain.sequence;
+ dataset.setName(id + "|" + dataset.getName());
+ PDBEntry entry = new PDBEntry();
+ entry.setId(id);
+ entry.setType(PDBEntry.Type.PDB);
+ entry.setProperty(new Hashtable());
+ if (chain.id != null)
+ {
+ // entry.getProperty().put("CHAIN", chains.elementAt(i).id);
+ entry.setChainCode(String.valueOf(chain.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);
+ // PDBChain objects maintain reference to dataset
+ SequenceI chainseq = dataset.deriveSequence();
+ seqs.addElement(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]);
+ }
+ }
+ return chainseq;
+ }
+
+ public static boolean isCalcIdHandled(String calcId)
+ {
+ return calcId != null && (CALC_ID_PREFIX.equals(calcId));
+ }
+
+ public static boolean isCalcIdForFile(AlignmentAnnotation alan,
+ String pdbFile)
+ {
+ return alan.getCalcId() != null
+ && CALC_ID_PREFIX.equals(alan.getCalcId())
+ && pdbFile.equals(alan.getProperty("PDBID"));
+ }
+
+ public static String relocateCalcId(String calcId,
+ Hashtable alreadyLoadedPDB) throws Exception
+ {
+ int s = CALC_ID_PREFIX.length(), end = calcId
+ .indexOf(CALC_ID_PREFIX, s);
+ String between = calcId.substring(s, end - 1);
+ return CALC_ID_PREFIX + 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(CALC_ID_PREFIX);
+ aa.setProperty("PDBID", id);
+ aa.setProperty("oldCalcId", oldId);
+ }
+ }
+ }
+ }
+
+ private void processPdbFileWithJmol(List prot)
+ throws Exception
+ {
+ try
+ {
+ Class cl = Class.forName("jalview.ext.jmol.PDBFileWithJmol");
+ if (cl != null)
+ {
+ final Constructor constructor = cl
+ .getConstructor(new Class[] { FileParse.class });
+ final Object[] args = new Object[] { new FileParse(getDataName(),
+ type) };
+ Object jmf = constructor.newInstance(args);
+ AlignmentI al = new Alignment((SequenceI[]) cl.getMethod(
+ "getSeqsAsArray", new Class[] {}).invoke(jmf));
+ cl.getMethod("addAnnotations", new Class[] { AlignmentI.class })
+ .invoke(jmf, al);
+ for (SequenceI sq : al.getSequences())
+ {
+ if (sq.getDatasetSequence() != null)
+ {
+ sq.getDatasetSequence().getAllPDBEntries().clear();
+ }
+ else
+ {
+ sq.getAllPDBEntries().clear();
+ }
+ }
+ replaceAndUpdateChains(prot, al, AlignSeq.PEP, false);
+ }
+ } catch (ClassNotFoundException q)
+ {
+ }
+ }
+
+ private void replaceAndUpdateChains(List 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)
{
- entry.setFile(inFile.getAbsolutePath());
+ p = -p;
+ break;
}
- dataset.addPDBId(entry);
- SequenceI chainseq = dataset.deriveSequence(); // PDBChain objects maintain reference to dataset
- seqs.addElement(chainseq);
- AlignmentAnnotation[] chainannot = chainseq.getAnnotation();
- if (chainannot!=null)
+ }
+ 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(List 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())
{
- for (int ai=0; ai -1 && p < dataName.length())
{
- System.out.println("OUT OF MEMORY LOADING PDB FILE");
- throw new IOException("Out of memory loading PDB File");
+ dataName = dataName.substring(p + 1);
}
+ return dataName;
}
public void makeResidueList()
{
for (int i = 0; i < chains.size(); i++)
{
- ( (PDBChain) chains.elementAt(i)).makeResidueList();
+ chains.elementAt(i).makeResidueList(visibleChainAnnotation);
}
}
@@ -166,7 +504,7 @@ public class PDBfile
{
for (int i = 0; i < chains.size(); i++)
{
- ( (PDBChain) chains.elementAt(i)).makeCaBondList();
+ chains.elementAt(i).makeCaBondList();
}
}
@@ -174,9 +512,9 @@ public class PDBfile
{
for (int i = 0; i < chains.size(); i++)
{
- if ( ( (PDBChain) chains.elementAt(i)).id.equals(id))
+ if (chains.elementAt(i).id.equals(id))
{
- return (PDBChain) chains.elementAt(i);
+ return chains.elementAt(i);
}
}
@@ -187,7 +525,7 @@ public class PDBfile
{
for (int i = 0; i < chains.size(); i++)
{
- ( (PDBChain) chains.elementAt(i)).setChargeColours();
+ chains.elementAt(i).setChargeColours();
}
}
@@ -195,7 +533,7 @@ public class PDBfile
{
for (int i = 0; i < chains.size(); i++)
{
- ( (PDBChain) chains.elementAt(i)).setChainColours(cs);
+ chains.elementAt(i).setChainColours(cs);
}
}
@@ -203,9 +541,23 @@ public class PDBfile
{
for (int i = 0; i < chains.size(); i++)
{
- ( (PDBChain) chains.elementAt(i)).setChainColours(
- Color.getHSBColor(1.0f / (float) i, .4f, 1.0f)
- );
+ // divide by zero --> infinity --> 255 ;-)
+ chains.elementAt(i).setChainColours(
+ Color.getHSBColor(1.0f / i, .4f, 1.0f));
}
}
+
+ public static boolean isRNA(SequenceI seq)
+ {
+ for (char c : seq.getSequence())
+ {
+ if ((c != 'A') && (c != 'C') && (c != 'G') && (c != 'U'))
+ {
+ return false;
+ }
+ }
+
+ return true;
+
+ }
}