+ // done during structure retrieval
+ // retrieve_AlphaFold_pAE(id, pdbAlignment, retrievalUrl);
+
+ } catch (Exception ex) // Problem parsing PDB file
+ {
+ stopQuery();
+ throw (ex);
+ }
+ return pdbAlignment;
+ }
+
+ /**
+ * get an alphafold pAE for the given id and return the File object of the
+ * downloaded (temp) file
+ *
+ * @param id
+ * @param pdbAlignment
+ * @param retrievalUrl
+ * - URL of .mmcif from EBI-AlphaFold - will be used to generate the
+ * pAE URL automatically
+ * @throws IOException
+ * @throws Exception
+ */
+ public static File fetchAlphaFoldPAE(String id, String retrievalUrl)
+ throws IOException
+ {
+ // import PAE as contact matrix - assume this will work if there was a
+ // model
+ String paeURL = getAlphaFoldPaeDownloadUrl(id, AF_VERSION);
+
+ if (retrievalUrl != null)
+ {
+ // manufacture the PAE url from a url like ...-model-vN.cif
+ paeURL = retrievalUrl.replace("model", "predicted_aligned_error")
+ .replace(".cif", ".json");
+ }
+
+ // check the cache
+ File pae = paeDownloadCache.get(paeURL);
+ if (pae != null && pae.exists() && (new Date().getTime()
+ - pae.lastModified()) < PAE_CACHE_STALE_TIME)
+ {
+ Console.debug(
+ "Using existing file in PAE cache for '" + paeURL + "'");
+ return pae;
+ }
+
+ try
+ {
+ pae = File.createTempFile(id == null ? "af_pae" : id, "pae_json");
+ } catch (IOException e)
+ {
+ e.printStackTrace();
+ }
+ Console.debug("Downloading pae from " + paeURL + " to " + pae.toString()
+ + "");
+ try
+ {
+ UrlDownloadClient.download(paeURL, pae);
+ } catch (IOException e)
+ {
+ throw e;
+ }
+ // cache and it if successful
+ paeDownloadCache.put(paeURL, pae);
+ return pae;
+ }
+
+ /**
+ * get an alphafold pAE for the given id, and add it to sequence 0 in
+ * pdbAlignment (assuming it came from structurefile parser).
+ *
+ * @param id
+ * @param pdbAlignment
+ * @param retrievalUrl
+ * - URL of .mmcif from EBI-AlphaFold - will be used to generate the
+ * pAE URL automatically
+ * @throws IOException
+ * @throws Exception
+ */
+ public static void retrieve_AlphaFold_pAE(String id,
+ AlignmentI pdbAlignment, String retrievalUrl) throws IOException
+ {
+ File pae = fetchAlphaFoldPAE(id, retrievalUrl);
+ addAlphaFoldPAE(pdbAlignment, pae, 0, null, false, false);
+ }
+
+ public static void addAlphaFoldPAE(AlignmentI pdbAlignment, File pae,
+ int index, String id, boolean isStruct, boolean isStructId)
+ {
+ FileInputStream paeInput = null;
+ try
+ {
+ paeInput = new FileInputStream(pae);
+ } catch (FileNotFoundException e)
+ {
+ Console.error(
+ "Could not find pAE file '" + pae.getAbsolutePath() + "'", e);
+ return;
+ }
+
+ if (isStruct)
+ {
+ StructureSelectionManager ssm = StructureSelectionManager
+ .getStructureSelectionManager(Desktop.instance);
+ if (ssm != null)
+ {
+ String structFilename = isStructId ? ssm.findFileForPDBId(id) : id;
+ addPAEToStructure(ssm, structFilename, pae);
+ }
+
+ }
+ else
+ {
+ // attach to sequence?!
+ try
+ {
+ if (!importPaeJSONAsContactMatrixToSequence(pdbAlignment, paeInput,
+ index, id))
+ {
+ Console.warn("Could not import contact matrix from '"
+ + pae.getAbsolutePath() + "' to sequence.");
+ }
+ } catch (IOException e1)
+ {
+ Console.error("Error when importing pAE file '"
+ + pae.getAbsolutePath() + "'", e1);
+ } catch (ParseException e2)
+ {
+ Console.error("Error when parsing pAE file '"
+ + pae.getAbsolutePath() + "'", e2);
+ }
+ }
+
+ }