code: public void pdb_REMARK_350_Handler(String line) {
  
  		if (line.startsWith("REMARK 350 BIOMOLECULE:")) {
  		    initialize();
  			currentBioMolecule = Integer.parseInt(line.substring(24).trim());
  
  		}
  		// not parsing anymore the size (from biojava 5.0), thus this is not needed anymore
  		// eventually if needed this could be used to
  		// infer if bioassembly is author or software determined
  		//else if ( line.matches("REMARK 350 \\w+ DETERMINED BIOLOGICAL UNIT:.*" ) ||
  		//			line.matches("REMARK 350 \\w+ DETERMINED QUATERNARY STRUCTURE:.*" )) {
  			// text can be :
  			// author determined biological unit
  			// software determined quaternary structure
  		//}
  		else if ( line.startsWith("REMARK 350 APPLY THE FOLLOWING TO CHAINS:")) {
  			currentChainIDs.clear();
  			addToCurrentChainList(line);
  
  		} else if ( line.startsWith("REMARK 350 IN ADDITION APPLY THE FOLLOWING TO CHAINS:")) {
  			currentChainIDs.clear();
  			addToCurrentChainList(line);
  
  		} else if ( line.startsWith("REMARK 350") && line.contains("AND CHAINS:")) {
  			addToCurrentChainList(line);
  
  		} else if ( line.startsWith("REMARK 350   BIOMT")) {
  			if (readMatrix(line)) {
  				saveMatrix();
  				modelNumber++;
  			}
  		}
  	}
docs: Parses REMARK 350 line. See format description:
  http://www.wwpdb.org/documentation/format33/remarks2.html
  
  @param line