Exemple #1
0
/* @funcstatic domainalign_stamp **********************************************
**
** Call STAMP and process files.
**
** @param [r] prevdomain [AjPDomain] Previous domain.
** @param [r] domain [AjPDomain] This domain.
** @param [r] daf [AjPDirout] Domain alignment files.
** @param [r] super [AjPDirout] Superimposition files.
** @param [r] singlets [AjPDirout]  Singlet files.
** @param [r] align [AjPStr]   Align.
** @param [r] alignc [AjPStr] Alignc.
** @param [r] dom [AjPStr]   Dom.
** @param [r] name [AjPStr] Name.
** @param [r] set [AjPStr] Name of set file.
** @param [r] scan [AjPStr] Name of scan file.
** @param [r] sort [AjPStr] Name of sort file.
** @param [r] log [AjPStr] Lof file name.
** @param [r] out [AjPStr] Out file name.
** @param [r] keepsinglets [AjBool] Keep singlet sequences or not.
** @param [r] moden [ajint] Mode number.
** @param [r] noden [ajint] Node number.
** @param [r] nset [ajint] Number in set.
** @param [r] logf [AjPFile] Lof file.
** 
**
** @return [void] True on success
** @@
****************************************************************************/
static void domainalign_stamp(AjPDomain prevdomain,
			      AjPDomain domain, 
			      AjPDirout daf, 
			      AjPDirout super,
			      AjPDirout singlets, 
			      AjPStr    align, 
			      AjPStr    alignc, 
			      AjPStr    dom, 
			      AjPStr    name, 
			      AjPStr    set, 
			      AjPStr    scan, 
			      AjPStr    sort, 
			      AjPStr    log, 
			      AjPStr    out, 
			      AjBool    keepsinglets, 
			      ajint     moden, 
			      ajint     noden,
			      ajint     nset, 
			      AjPFile   logf)
{
    AjPStr    exec      = NULL;	/* The UNIX command line to be executed.   */
    AjPFile   clusterf  = NULL;	/* File pointer for log file.              */
    ajint     ncluster  = 0;	/* Counter for the number of clusters.     */
    AjPStr    line      = NULL;	/* Holds a line from the log file.         */
    AjPRegexp rexp      = NULL;	/* For parsing no. of clusters in log file */
    AjPStr    temp      = NULL;	/* A temporary string.                     */
    ajint     x         = 0;    /* Loop counter.                           */
    

    exec     = ajStrNew();
    line     = ajStrNew();
    temp     = ajStrNew();



    rexp     = ajRegCompC("^(Cluster:)");

    ajDebug("domainalign_stamp name: '%S'\n", name);
    
    /* Call STAMP. */
    ajFmtPrintS(&exec,	"stamp -l %S -s -n 2 -slide 5 -prefix %S -d %S",
		dom, name, set);
    ajFmtPrint("\n%S\n\n", exec);
    ajSysSystem(exec);  

    ajFmtPrintS(&exec, "sorttrans -f %S -s Sc 2.5",
		scan);
    ajFmtPrint("\n%S > %S\n\n", exec, sort);

    ajSysSystemOut(exec, sort);

    ajFmtPrintS(&exec, "stamp -l %S -prefix %S",
		sort, name);
    ajFmtPrint("\n%S > %S\n\n", exec, log);
    ajSysSystemOut(exec, log);
	
    ajFmtPrintS(&exec, "transform -f %S -g  -o %S",
		sort, alignc);
    ajFmtPrint("\n%S\n\n", exec);
    ajSysSystem(exec);
    
    
    /* Count the number of clusters in the log file. */
    if(!(clusterf=ajFileNewInNameS(log)))
	ajFatal("Could not open log file '%S'\n", log);
    ncluster=0;
    while(ajReadlineTrim(clusterf,&line))
	if(ajRegExec(rexp,line))
	    ncluster++;
    ajFileClose(&clusterf);	

    ajDebug("ncluster: %d\n", ncluster);
    
    /* Call STAMP ... calculate two fields for structural equivalence using 
       threshold Pij value of 0.5, see stamp manual v4.1 pg 27. */
    ajFmtPrintS(&exec,"poststamp -f %S.%d -min 0.5",
		name, ncluster);
    ajFmtPrint("%S\n\n", exec);
    ajSysSystem(exec);
    
    
    /* Call STAMP ... convert block format alignment into clustal format. */
    ajFmtPrintS(&exec,"ver2hor -f %S.%d.post",
		name, ncluster); 
    ajFmtPrint("%S > %S\n\n", exec, out);
    ajSysSystemOut(exec, out);
    
    
    /* Process STAMP alignment file and generate alignment file for output. */
    domainalign_ProcessStampFile(out, align, prevdomain, noden, logf);
    
    
    /* Remove all temporary files. */
    
    for(x=1;x<ncluster+1;x++)
    {
	ajFmtPrintS(&temp, "%S.%d", name, x);
	ajSysFileUnlink(temp); 
    }
    
    ajFmtPrintS(&temp, "%S.%d.post", name, ncluster);
    ajSysFileUnlink(temp); 

    ajStrDel(&exec);
    ajStrDel(&line);
    ajStrDel(&temp);
    ajRegFree(&rexp);

    return;
}   
Exemple #2
0
int main(ajint argc, char **argv)
{
    AjPList    pdb_path     =NULL;  /* Path of pdb files */
    AjPStr     pdb_name     =NULL;  /* Name of pdb file  */
    AjPDirout  ccf_path    =NULL;   /* Path of ccf files */
    AjPStr     ccf_name    =NULL;   /* Name of ccf file  */
    AjPStr     pdbid        =NULL;  /* PDB code          */
    AjPStr     pdbid_temp   =NULL;  /* PDB code          */
    
    AjBool     ccfnaming   =ajFalse;   
    /* True == use the pdbid code to name the output file, 
       False== use the name of the original pdb file*/
    
    /* Mask non-amino acid groups in protein chains that do not 
       contain a C-alpha atom. The group will not appear in either 
       the CO or SQ records of the clean coordinate file */
    AjBool     camask     =ajFalse;  
    
    
    /* Mask amino acids in protein chains that do not contain a 
       C-alpha atom. The amino acid will appear not appear in the 
       CO record but will still be present in the SQ record of the 
       clean coordinate file */
    AjBool     camask1    =ajFalse;   
    
    /* Mask residues or groups in protein chains with a single atom only */
    AjBool     atommask     =ajFalse;  
    
    AjPStr     temp         =NULL; /* Temp string */   
    AjPStr     msg          =NULL; /* Error message */
   AjPStr     base_name    =NULL; /* Name of pdb file w/o path or 
				      extension */
    
    
    AjPFile    pdb_inf      =NULL; /* pdb input file pointer */
    AjPFile    ccf_outf    =NULL; /* ccf output file pointer */
    AjPFile    logf         =NULL; /* log file pointer*/ 
    
    AjPPdb     pdb          =NULL; /* Pdb structure (for parsed data) */
    
    ajint      min_chain_size=0; /* Minimum length of a SEQRES chain 
				    for it to be parsed */
    ajint      max_mismatch=0; /* Max. no. residues to trim when checking
				  for missing C-terminal SEQRES residues. */
    ajint      max_trim=0;   /* Maximum number of permissible 
				  mismatches between the ATOM and 
				  SEQRES sequences */
    ajint      pos          =0; /* Location of the file extension in 
				   the pdb file name */
    
    
    
    
    /*     THIS_DIAGNOSTIC  
	   tempstr=ajStrNew();    
	   ajStrAssignC(&tempstr,     "diagnostics");
	   tempfile=ajFileNewOutNameS(tempstr);
	   ajStrDel(&tempstr);*/
    
    
    /* Initialise strings */
    ccf_name     = ajStrNew();
    pdb_name      = ajStrNew();
    temp          = ajStrNew();
    msg           = ajStrNew();
    base_name     = ajStrNew();
    pdbid         = ajStrNew();    
    pdbid_temp    = ajStrNew();    
    
    
    /* Read data from acd */
    embInitPV("pdbparse",argc,argv,"STRUCTURE",VERSION);

    pdb_path     = ajAcdGetDirlist("pdbpath");
    ccf_path     = ajAcdGetOutdir("ccfoutdir");
    logf         = ajAcdGetOutfile("logfile");
    min_chain_size=ajAcdGetInt("chnsiz");
    max_mismatch =ajAcdGetInt("maxmis");
    max_trim     =ajAcdGetInt("maxtrim");
    ccfnaming    = ajAcdGetBoolean("ccfnaming");
    camask       = ajAcdGetBoolean("camask");
    camask1      = ajAcdGetBoolean("camaska");
    atommask     = ajAcdGetBoolean("atommask");
    
    
    /* Check directories*/
    
    /*Start of main application loop*/
    while(ajListPop(pdb_path,(void **)&temp))
    {
	ajFmtPrint("Processing %S\n", temp);   
	ajFmtPrintF(logf, "%S\n", temp);    
	
	
		
	
	/* Read pdb file*/
	if((pdb_inf=ajFileNewInNameS(temp))==NULL)
	{
	    ajFmtPrintS(&msg, "Could not open for reading %S ", 
			temp);
	    ajWarn(ajStrGetPtr(msg));
	    ajFmtPrintF(logf, "%-15s%S\n//\n", "FILE_OPEN", temp); 
	    ajStrDel(&temp);	
	    continue;	    
	}
	
	
	
	/* Assign pdb id code from file name */
	ajStrAssignS(&pdbid, temp);
	ajFilenameTrimPathExt(&pdbid);

	if(MAJSTRGETLEN(pdbid)>4)
	{
	    /* The file name is longer than expected (and probably contains a 
	       prefix). Take the last four characters to be the pdbid code */
	    ajStrAssignSubS(&pdbid_temp, pdbid, pos-4, pos-1);
	    ajStrAssignS(&pdbid, pdbid_temp);
	}
	else if(MAJSTRGETLEN(pdbid)<4)
	    ajFatal("Could not determine pdbid code from file name (%S)", pdbid);
	

	/* Parse pdb file and write pdb structure */
	if(!(pdb=ajPdbReadRawNew(pdb_inf, pdbid, min_chain_size, max_mismatch, 
				 max_trim, camask, camask1, atommask, logf)))
	{	
	    ajFmtPrintS(&msg, "Clean coordinate file not generated for %S", temp);
	    ajWarn(ajStrGetPtr(msg));
	    ajFmtPrintF(logf, "%-15s%S\n//\n", "NO_OUTPUT", temp); 
	    
	    ajFileClose(&pdb_inf);
	    ajStrDel(&temp);
	    continue;
	}
	
	
	/* Open clean coordinate file for writing*/
	if(ccfnaming)
	    ajStrAssignS(&ccf_name, pdb->Pdb);
	else
	    ajStrAssignS(&ccf_name, temp);
	ajStrFmtLower(&ccf_name);

	
	if(!(ccf_outf=ajFileNewOutNameDirS(ccf_name, ccf_path)))
	{
	    ajFmtPrintS(&msg, "Could not open %S for writing", 
			ccf_name);
	    ajWarn(ajStrGetPtr(msg));
	    ajFmtPrintF(logf, "%-15s%S\n//\n", "FILE_OPEN", ccf_name); 
	    ajFileClose(&pdb_inf);
	    ajPdbDel(&pdb);
	    ajStrDel(&temp);	
	    continue;
	}  
	
	
	
	
	
	/* Write pdb file */
	if(!ajPdbWriteAll(ccf_outf, pdb))
	{
	    ajFmtPrintS(&msg, "Could not write file %S", ccf_name);
	    ajWarn(ajStrGetPtr(msg));
	    ajFmtPrintF(logf, "%-15s%S\n//\n", "FILE_WRITE", ccf_name); 
	    
	    ajFmtPrintS(&temp, "rm %S", ccf_name);
	    ajFmtPrint("%S", temp);
	    ajSysSystem(temp);

	    ajFileClose(&pdb_inf);
	    ajFileClose(&ccf_outf);
	    ajPdbDel(&pdb);
	    ajStrDel(&temp);	
	    continue;
	}
	
	
	
	/* Tidy up*/
	ajFileClose(&pdb_inf);
	ajFileClose(&ccf_outf);
	ajPdbDel(&pdb);   
	ajStrDel(&temp);	
	
	
	ajFmtPrintF(logf, "//\n");    
    }

    /*End of main application loop*/        





    /*Tidy up */
    ajListFree(&pdb_path);
    ajStrDel(&pdb_name);
    ajDiroutDel(&ccf_path);
    ajStrDel(&ccf_name);
    ajStrDel(&base_name);
    ajStrDel(&pdbid);
    ajStrDel(&pdbid_temp);
    ajStrDel(&msg);
    
    ajFileClose(&logf);
    
    
    
    /* DIAGNOSTIC
       ajFileClose(&tempfile);
       */
    
    /* Return */
    ajExit();
    return 0;
}	    
Exemple #3
0
int main(ajint argc, char **argv)
{
    AjPList  ccfin        = NULL;  /* List of CCF (input) files.             */

    AjPDir   pdbin        = NULL;  /* Path of pdb input files.               */
    AjPStr   pdbprefix    = NULL;  /* Prefix of pdb input files.             */
    AjPStr   pdb_name     = NULL;  /* Full name (path/name/extension) of 
					 pdb format input file.              */

    AjPDirout ccfout     = NULL;   /* Path of coordinate output file.        */
    AjPStr   randomname  = NULL;   /* Name for temp file tempf.              */
    AjPStr   ccf_this    = NULL; 
    AjPStr   exec        = NULL; 
    AjPStr   naccess_str = NULL; 
    AjPStr   line        = NULL;
    AjPStr   syscmd      = NULL;   /* Command line arguments.                */
    AjPStr  *mode        = NULL;   /* Mode of operation from acd.            */

    AjPFile  errf        = NULL;   /* pdbplus error file pointer.            */
    AjPFile  serrf       = NULL;   /* stride error file pointer.             */
    AjPFile  nerrf       = NULL;   /* stride error file pointer.             */
    AjPFile  tempf       = NULL;   /* Temp file for holding STRIDE output.   */
    AjPFile  ccf_inf     = NULL;   /* Protein coordinate input file.         */
    AjPFile  ccf_outf    = NULL;   /* Protein coordinate output file.        */

    AjIList  iter        = NULL; 

    AjBool   done_naccess= ajFalse;
    AjBool   done_stride = ajFalse;
    AjBool   found       = ajFalse;
    AjPResidue temp_res  = NULL;  /* Pointer to Residue object.                */
    AjPPdb   pdb_old     = NULL;  /* Pointer to PDB object - without new
				     stride elements.                       */
    AjPPdb   pdb         = NULL;  /* Pointer to PDB object.                 */
    ajint    idn         = 0;     /* Chain identifier as a number (1,2,...) */
    ajint    chain_num   = 0;     /* Chain identifier index (0,1,...).      */
    ajint    tS          = 0;     /* User-defined threshold size for SSEs.  */
    ajint    nostride    = 0;     /* No. times stride failed                */
    ajint    nonaccess   = 0;     /* No. times naccess failed               */
    ajint    nofile      = 0;     /* No. times of file error                */

    /* Variables for each item that will be parsed from the ASG line. */
    AjPStr   res      = NULL;  /* Residue id from STRIDE ASG line (ALA etc). */
    AjPStr   res_num  = NULL;  /* PDB residue number from STRIDE ASG line.   */
    char     pcid     = ' ';   /* Protein chain identifier from STRIDE or 
				  NACESS output (A,B, etc).                  */
    char     ss       = ' ';   /* One-letter secondary structure code from 
				  STRIDE ASG line.                           */
    float    ph       = 0.0;   /* Phi angle from STRIDE ASG line.            */
    float    ps       = 0.0;   /* Psi angle from STRIDE ASG line.            */
    float    sa       = 0.0;   /* Residue solvent accessible area from STRIDE 
				  ASG line.                                  */
    float    f1       = 0;
    float    f2       = 0;
    float    f3       = 0;
    float    f4       = 0;
    float    f5       = 0;
    float    f6       = 0;
    float    f7       = 0;
    float    f8       = 0;
    float    f9       = 0;
    float    f10      = 0;





    /* Allocate strings; this section is used for variables that are 
       allocated once only. */
    pdb_name       = ajStrNew();
    res            = ajStrNew();
    res_num        = ajStrNew();
    randomname     = ajStrNew();
    syscmd         = ajStrNew();
    line           = ajStrNew();  
    naccess_str    = ajStrNew();
    exec           = ajStrNew();





    /* Read data from acd. */
    embInitPV("pdbplus",argc,argv,"STRUCTURE",VERSION);

    ccfin        = ajAcdGetDirlist("ccfinpath");  
    pdbin        = ajAcdGetDirectory("pdbindir"); 
    pdbprefix    = ajAcdGetString("pdbprefix");
    ccfout       = ajAcdGetOutdir("ccfoutdir");
    mode         = ajAcdGetList("mode");
    errf         = ajAcdGetOutfile("logfile");
    if(ajStrGetCharFirst(*mode) != '2')
	serrf    = ajAcdGetOutfile("slogfile");
    if(ajStrGetCharFirst(*mode) != '1')
	nerrf    = ajAcdGetOutfile("nlogfile");
    tS           = ajAcdGetInt("thresholdsize");
 

    


    
    ajRandomSeed();
    ajFilenameSetTempname(&randomname); 




    
    /* 
     **  Start of main application loop. 
     **  Process each PDB/ protein coordinate file (EMBL format) in turn. 
     */ 
    
    while(ajListPop(ccfin,(void **)&ccf_this))
    {
        /* Open protein coordinate file.  If it cannot be opened, write a 
           message to the error file, delete ccf_this and continue. */

        if((ccf_inf = ajFileNewInNameS(ccf_this)) == NULL)   
	{
	    ajWarn("%s%S\n//\n", 
		   "clean coordinate file not found: ", ccf_this);
	    
	    ajFmtPrintF(errf, "%s%S\n//\n", 
                        "clean coordinate file not found: ", ccf_this); 
            ajStrDel(&ccf_this); 
	    nofile++;
	    continue; 
        }       

        ajFmtPrint("Processing %S\n", ccf_this);
	fflush(stdout);

        /* Parse protein coordinate data (from clean format file) into 
	   AjPPdb object.  ajPdbReadAllModelsNew will create the AjPPdb object. */
      if(!(pdb_old=ajPdbReadAllModelsNew(ccf_inf)))
        {
	    ajWarn("ERROR Clean coordinate file read" 
		   "error: %S\n//\n", ccf_this);
            ajFmtPrintF(errf, "ERROR Clean coordinate file read" 
			"error: %S\n//\n", ccf_this);
            ajFileClose(&ccf_inf);
            ajStrDel(&ccf_this); 
	    nofile++;
            continue;
        }

        ajFileClose(&ccf_inf);
        ajPdbCopy(&pdb, pdb_old); 
        ajPdbDel(&pdb_old); 

        /* Construct name of corresponding PDB file.
	    NACCESS does *not* generate an output file if the path is './' e.g. 
	    naccess ./1rbp.ent , therefore replace './' with null. */
	ajStrAssignS(&pdb_name, ajDirGetPath(pdbin));
	if(ajStrMatchC(pdb_name, "./") || ajStrMatchC(pdb_name, "."))
	    ajStrAssignC(&pdb_name, "");
	
        ajStrAppendS(&pdb_name, pdbprefix);
	ajStrFmtLower(&pdb->Pdb);
        ajStrAppendS(&pdb_name, pdb->Pdb);
        ajStrAppendC(&pdb_name, ".");
	ajStrAppendS(&pdb_name, ajDirGetExt(pdbin));
	

        /* Check corresponding PDB file exists for reading using ajFileStat. */
	if(!(ajFilenameExistsRead(pdb_name)))
        {
            ajFmtPrintF(errf, "%s%S\n//\n", "PDB file not found: ", pdb_name);
            ajWarn("%s%S\n//\n", "PDB file not found: ", pdb_name);
            ajStrDel(&ccf_this); 
            ajPdbDel(&pdb);
	    nofile++;
            continue;
        }
        
	if(ajStrGetCharFirst(*mode) != '2')
        {        
	    /* 
	     **  Create a string containing the STRIDE command line (it needs
	     **  PDB file name & name of temp output file).
	     **  Call STRIDE by using ajSystem.
	     */
	    
	    ajFmtPrintS(&syscmd, "%S %S -f%S >> %s 2>&1",  
			ajAcdGetpathC("stride"),
                        pdb_name, randomname, ajFileGetNameC(serrf));
	    ajFmtPrint("%S %S -f%S >> %s 2>&1\n",  
		       ajAcdGetpathC("stride"),
                       pdb_name, randomname,ajFileGetNameC(serrf));
	    system(ajStrGetPtr(syscmd));  

	    
	    /* Open the stride output file */
	    if (((tempf = ajFileNewInNameS(randomname)) == NULL))
	    {
		ajWarn("%s%S\n//\n", 
		       "no stride output for: ", pdb_name); 
		ajFmtPrintF(errf, "%s%S\n//\n", 
			    "no stride output for: ", pdb_name); 
		nostride++;
		ajStrDel(&ccf_this);
		ajPdbDel(&pdb); 
		continue; 
	    } 
	    else
	      ajFmtPrintF(errf, "%s%S\n//\n", 
			  "stride output for: ", pdb_name); 

	    
	    done_stride = ajFalse;

	    /* Parse STRIDE output from temp output file a line at a time. */
	    while(ajReadlineTrim(tempf,&line))
	    {       
		if(ajStrPrefixC(line,"ASG"))    
		{
		    ajFmtScanS(line, "%*S %S  %c %S %*d %c %*S %f %f %f %*S", 
			       &res, &pcid, &res_num, &ss, &ph, &ps, &sa);
                
		    /* 
		     **  Populate pdbplus object with the data from this parsed
		     **  line. This means first identifying the chain, then 
		     **  finding the residue. 
		     */
                
		    /* Determine the chain number. ajDmxPdbplusChain does not 
		       recognise '-', so change '-' to '.'  */
		    if (pcid == '-')
			pcid = '.'; 

		    /* Get chain number from the chain identifier. */
		    if(!ajPdbChnidToNum(pcid, pdb, &idn)) 
		    {
			ajWarn("Could not convert chain id %c to chain"
			       " number in pdb file %S\n//\n", 
			       pcid, pdb_name);
			ajFmtPrintF(errf, "Could not convert chain id %c "
				    "to chain number in pdb file %S\n//\n", 
				    pcid, pdb_name);
			continue;
		    }
                    
		    /* 
		     **  The chain number that will get written starts at 1, but
		     **  we want an index into an array which must start at 0, 
		     **  so subtract 1 from the chain number to get the index. 
		     */
		    chain_num = idn-1; 
                  
		    /* 
		     **   Iiterate through the list of residues in the Pdb object,
		     **   found switches to true when first residue corresponding 
		     **   to the line is found. 
		     */

		    /* iter = ajListIterNewread(pdb->Chains[chain_num]->Atoms); */
		    iter = ajListIterNewread(pdb->Chains[chain_num]->Residues);
		    found = ajFalse; 

		    while((temp_res = (AjPResidue)ajListIterGet(iter)))
		    {
		        /* If we have found the residue we want */
			if((ajStrMatchS(res_num, temp_res->Pdb) && 
			    ajStrMatchS(res, temp_res->Id3)))
			{
                       	    done_stride = ajTrue;
			    found = ajTrue;
			    temp_res->eStrideType = ss;
			    temp_res->Phi  = ph;
			    temp_res->Psi  = ps;
			    temp_res->Area = sa;
			}                 
			/* If the matching residue has been processed
			   move on to next ASG line, next residue. */
			else if(found == ajTrue) 
			    break;	
			else 
			/* Matching residue not found yet. */       
			    continue;	
		    }
		    ajListIterDel(&iter);
		} /* End of if ASG loop. */ 
	    } /* End of while line loop. */
	    

	    if(done_stride)
	      ajFmtPrintF(errf, "%s%S\n//\n", 
			  "stride data for: ", pdb_name); 
	    else
	      {
		ajFmtPrintF(errf, "%s%S\n//\n", 
			    "no stride data for: ", pdb_name); 
		ajWarn("%s%S\n//\n", "no stride data for: ", pdb_name);
		nostride++;
	      }


	    /* Close STRIDE temp file. & tidy up. */
	    ajFileClose(&tempf);

	    /* Remove temporary file (stride output file). */
	    ajFmtPrintS(&exec, "rm %S", randomname); 
	    ajSysSystem(exec); 
	    
	    /* 
	     **  Calculate element serial numbers (eStrideNum)& ammend residue
	     **  objects, count no's of elements and ammend chain object 
	     **  (numHelices, num Strands). 
	     */
	    pdbplus_sort(pdb, tS);
	}
	

	if(ajStrGetCharFirst(*mode) != '1')
        {        
	    /* 
	     **   Create a string containing the NACCESS command line (it needs
	     **   PDB file name & name of temp output file) & call NACCESS.
	     **   If e.g. /data/structure/pdbfred.ent was parsed and the program
	     **   was run from /stuff, then /stuff/fred.asa and /stuff/fred.rsa
	     **   would be written.  These must be deleted once parsed (only
	     **   use the .rsa file here). 
	     */
	    
	    ajFmtPrintS(&syscmd, "%S %S  >> %s 2>&1",  
			ajAcdGetpathC("naccess"), pdb_name, 
			ajFileGetNameC(nerrf));
	    ajFmtPrint("%S %S  >> %s 2>&1\n",  
		       ajAcdGetpathC("naccess"), pdb_name, 
		       ajFileGetNameC(nerrf));
	    system(ajStrGetPtr(syscmd));  


	    
	    ajStrAssignS(&naccess_str, pdbprefix);
	    ajStrAppendS(&naccess_str, pdb->Pdb);
	    ajStrAppendC(&naccess_str, ".rsa");
	    
	    /* Open the NACCESS output file. */
	    if (((tempf = ajFileNewInNameS(naccess_str)) == NULL))
	    {
		ajFmtPrintF(errf, "%s%S\n//\n", 
			    "no naccess output for: ", pdb_name); 
		ajWarn("%s%S\n//\n", "no naccess output for: ", pdb_name);
		nonaccess++;
		ajStrDel(&ccf_this);
		ajPdbDel(&pdb); 
		continue; 
	    }	 
	    else
	      ajFmtPrintF(errf, "%s%S\n//\n", 
			  "naccess output for: ", pdb_name); 


	    done_naccess = ajFalse;
	    /* Parse NACCESS output from temp output file a line at a time. */	    
	    while(ajReadlineTrim(tempf,&line))
	    {       
		if(ajStrPrefixC(line,"RES"))    
		{
		    /* Read data from lines. */
		    if((pcid = line->Ptr[8]) == ' ')
		      ajFmtScanS(line, "%*S %S %S %f %f %f "
				 "%f %f %f %f %f %f %f", 
				 &res, &res_num, &f1, &f2, &f3, &f4, &f5, 
				 &f6, &f7, &f8, &f9, &f10);
		    else
		      ajFmtScanS(line, "%*S %S %*c %S %f %f "
				 "%f %f %f %f %f %f %f %f", 
				 &res, &res_num, &f1, &f2, &f3, &f4, &f5, 
				 &f6, &f7, &f8, &f9, &f10);

		    /* Identify the chain, then finding all the residues 
		       corresponding to the residue. */
                
		    /* Get the chain number from the chain identifier. */
		    if(!ajPdbChnidToNum(pcid, pdb, &idn))
		    {
                        ajWarn("Could not convert chain id %c to chain"
				    " number in pdb file %S\n//\n", 
			       pcid, pdb_name);	
			ajFmtPrintF(errf, "Could not convert chain id"
				    " %c to chain number in pdb file %S\n//\n",
				    pcid, pdb_name);
			continue;
		    }
                    

                  
		    /* 
		     **  Chain number will start at 1, but we want an index 
		     **  into an array which must start at 0, so subtract 1 
		     **  from the chain number to get the index.
		     */
		    chain_num = idn-1; 



		    /* 
		     **   Iiterate through the list of residues in the Pdb object,
		     **   temp_res is an AjPResidue used to point to the current
		     **   residue.
		     **   ajBool found switches to true when first residue 
		     **   corresponding to the line is found. 
		     */
		    iter = ajListIterNewread(pdb->Chains[chain_num]->Residues);

		    found = ajFalse; 
		    while((temp_res = (AjPResidue)ajListIterGet(iter)))
		    {
			/* If we have found the residue we want, write the residue 
			   object. */
			if((ajStrMatchS(res_num, temp_res->Pdb) && 
			    ajStrMatchS(res, temp_res->Id3)))
                        {
			    found = ajTrue;
			    done_naccess = ajTrue;
			    temp_res->all_abs  = f1;
			    temp_res->all_rel  = f2;
			    temp_res->side_abs = f3;
			    temp_res->side_rel = f4;
			    temp_res->main_abs = f5;
			    temp_res->main_rel = f6;
			    temp_res->npol_abs = f7;
			    temp_res->npol_rel = f8;
			    temp_res->pol_abs  = f9;
			    temp_res->pol_rel  = f10;

			}      
			/* If the matching residues have all been processed. 
			   move on to next ASG line, next residue. */
			else if(found == ajTrue) 
			    break;	
			else 
			    /* Matching residues not found yet, move on to next 
			       residue. */
			    continue;	 
		    }
		    ajListIterDel(&iter);
		} 
	    } 
	    
	    if(done_naccess)
		ajFmtPrintF(errf, "%s%S\n//\n", 
			    "naccess data for: ", pdb_name); 
	    else
	    {
		ajFmtPrintF(errf, "%s%S\n//\n", 
			    "no naccess data for: ", pdb_name); 
		ajWarn("%s%S\n//\n", "no naccess data for: ", pdb_name);
		nonaccess++;
	    }

	    /* Remove temporary file (naccess output files). */
	    ajFileClose(&tempf);
	    
	    ajFmtPrintS(&exec, "rm %S", naccess_str); 
	    ajSysSystem(exec); 

	    ajStrAssignS(&naccess_str, pdbprefix);
	    ajStrAppendS(&naccess_str, pdb->Pdb);
	    ajStrAppendC(&naccess_str, ".asa");
	    ajFmtPrintS(&exec, "rm %S", naccess_str);
	    ajSysSystem(exec); 

	    ajStrAssignS(&naccess_str, pdbprefix);
	    ajStrAppendS(&naccess_str, pdb->Pdb);
	    ajStrAppendC(&naccess_str, ".log");
	    ajFmtPrintS(&exec, "rm %S", naccess_str);
	    ajSysSystem(exec); 
	}

        /* Open CCF (output) file. */
        ccf_outf = ajFileNewOutNameDirS(pdb->Pdb, ccfout);
	
        
        /* Write AjPPdb object to the output file in clean format. */
        if(!ajPdbWriteAll(ccf_outf, pdb))
        {               
	    ajWarn("%s%S\n//\n","Could not write results file for: ", 
                        pdb->Pdb);  
	    
	    ajFmtPrintF(errf,"%s%S\n//\n","Could not write results file for ", 
                        pdb->Pdb);

        }	
	ajFileClose(&ccf_outf);
        ajPdbDel(&pdb);
        ajStrDel(&ccf_this);
    } /* End of main application loop. */


    ajFmtPrint("STRIDE  failures: %d\n", nostride);
    ajFmtPrint("NACCESS failures: %d\n", nonaccess);
    ajFmtPrintF(errf, "\n\nSTRIDE  failures: %d\nNACCESS failures: %d\n",
		nostride, nonaccess);
    

    

    ajListFree(&ccfin);
    ajDirDel(&pdbin);
    ajStrDel(&pdbprefix);
    ajStrDel(&pdb_name);
    ajDiroutDel(&ccfout);
    ajStrDel(&res);
    ajStrDel(&res_num);
    ajStrDel(&randomname);
    ajStrDel(&line);
    ajStrDel(&naccess_str);
    ajStrDel(&exec);
    ajStrDel(&syscmd);
  
    ajFileClose(&errf);
    if(ajStrGetCharFirst(*mode) != '2')
	ajFileClose(&serrf);
    if(ajStrGetCharFirst(*mode) != '1')
	ajFileClose(&nerrf);

    ajStrDel(&mode[0]);
    AJFREE(mode);




    
    ajExit();
    return 0;
}