Exemplo n.º 1
0
int main(int argc, char **argv)
{
    AjPSeqout outseq = NULL;
    AjPList list     = NULL;
    AjPSeq seq       = NULL;
    AjPStr insert    = NULL;
    AjPStr seqstr    = NULL;
    AjPStr* seqr     = NULL;
    AjPFile data     = NULL;
    ajint start   = 0;
    ajint length  = 0;
    ajint amount  = 0;
    ajint scmax   = 0;
    ajint extra   = 0;

    embInit("makeprotseq", argc, argv);

    data     = ajAcdGetInfile("pepstatsfile");
    insert   = ajAcdGetString("insert");
    start    = ajAcdGetInt("start");
    length   = ajAcdGetInt("length");
    amount   = ajAcdGetInt("amount");
    outseq   = ajAcdGetSeqoutall("outseq");

    list = ajListstrNew();

    /* this is checked by acd
    if(amount <=0 || length <= 0)
    ajFatal("Amount or length is 0 or less. "
                 "Unable to create any sequences"); */

    /* if insert, make sure sequence is large enough */
    if(ajStrGetLen(insert))
    {
        length -= ajStrGetLen(insert);
        /* start= start <= 1 ? 0 : --start; */ /* checked in acd */
        start--;

        if(length <= 0)
            ajFatal("Sequence smaller than inserted part. "
                    "Unable to create sequences.");
    }

    /* make the list of AjPStr to be used in sequence creation */
    if(data)
    {
        ajDebug("Distribution datafile '%s' given checking type\n",
                ajFileGetPrintnameC(data));
        seqstr = ajStrNew();
        ajReadlineTrim(data,&seqstr);

        if(ajStrFindC(seqstr,"PEPSTATS") == 0)
        {
            makeprotseq_parse_pepstats(&list,data);
        }
        else
        {
            ajWarn("Not pepstats file. Making completely random sequences.");
            makeprotseq_default_chars(&list);
        }

        ajStrDel(&seqstr);
        ajFileClose(&data);
    }
    else
        makeprotseq_default_chars(&list);

    /* if insert, make sure type is correct */
    /* typecheking code is not working, uncomment and test after it is
    if(ajStrGetLen(insert))
    {
    seqstr = ajStrNew();
    if(prot)
        ajStrAssignC(&seqstr,"pureprotein");
    if(!ajSeqTypeCheckS(&insert,seqstr))
        ajFatal("Insert not the same sequence type as sequence itself.");
    ajStrDel(&seqstr);
    } */

    /* array allows fast creation of a sequences */
    scmax = (ajuint) ajListstrToarray(list,&seqr);
    if(!scmax)
        ajFatal("No strings in list. No characters to make the sequence.");

    ajDebug("Distribution array done.\nscmax '%d', extra '%d', first '%S'\n",
            scmax,extra,seqr[0]);

    ajRandomSeed();

    while(amount-- > 0)
    {
        seqstr = makeprotseq_random_sequence(seqr,scmax,length);

        if(ajStrGetLen(insert))
            ajStrInsertS(&seqstr,start,insert);

        ajStrFmtLower(&seqstr);
        seq = ajSeqNew();

        ajSeqAssignSeqS(seq, seqstr);
        ajSeqSetProt(seq);

        ajSeqoutWriteSeq(outseq, seq);
        ajSeqDel(&seq);
        ajStrDel(&seqstr);
    }

    ajSeqoutClose(outseq);
    ajSeqoutDel(&outseq);
    ajListstrFreeData(&list);
    ajStrDel(&insert);
    AJFREE(seqr);

    embExit();

    return 0;
}
Exemplo n.º 2
0
int main(int argc, char **argv)
{
    ajint     famn      = 0;	 /* Counter for the families.                */
    ajint     nset      = 0;	 /* No. entries in family.                   */
    
    ajint     last_nodeid = 0;   /* SCOP Sunid of last family that was 
				    processed.                               */
    AjPStr    last_node  = NULL; /* Last family that was processed.          */
    AjPStr    exec       = NULL; /* The UNIX command line to be executed.    */
    AjPStr    out        = NULL; /* Name of stamp alignment file.            */
    AjPStr    align      = NULL; /* Name of sequence alignment file.         */
    AjPStr    alignc     = NULL; /* Name of structure alignment file.        */
    AjPStr    log        = NULL; /* Name of STAMP log file.                  */
    AjPStr    dom        = NULL; /* Name of file containing single domain.   */
    AjPStr    set        = NULL; /* Name of file containing set of domains.  */
    AjPStr    scan       = NULL; /* Name of temp. file used by STAMP.        */
    AjPStr    sort       = NULL; /* Name of temp. file used by STAMP.        */
    AjPStr    name       = NULL; /* Base name of STAMP temp files.           */
    AjPStr    pdbnames   = NULL; /* Names of domain pdb files to be passed to
				    TCOFFEEE.                                */
    AjPDir    pdb        = NULL; /* Path of domain coordinate files (pdb 
				    format input).                           */
    AjPDirout daf        = NULL; /* Path of sequence alignment files for output. */
    AjPDirout super      = NULL; /* Path of structure alignment files for output. */
    AjPDirout singlets   = NULL; /* Path of FASTA singlet sequence files for output. */
    AjPStr    temp1      = NULL; /* A temporary string.                      */

    AjPFile   dcfin      = NULL; /* File pointer for original Escop.dat file.*/
    AjPFile   domf       = NULL; /* File pointer for single domain file.     */
    AjPFile   setf       = NULL; /* File pointer for domain set file.        */
    AjPFile   logf       = NULL; /* Log file. */

    AjPDomain domain     = NULL; /* Pointer to domain structure.             */
    AjPDomain prevdomain = NULL; /* Pointer to previous domain structure.    */

    ajint     type       = 0;    /* Type of domain (ajSCOP or ajCATH) in the 
				    DCF file.                                */

    AjPStr   *node       = NULL; /* Node of alignment         .              */
    ajint     noden      = 0;    /*1: Class (SCOP), 2: Fold (SCOP) etc, see 
				   ACD file.                                 */

    AjPStr   *mode       = NULL; /* Mode of operation from acd*/
    ajint     moden      = 0;    /* Program mode, 1: MODE_STAMP, 2: MODE_TCOFFEE (not
				    yet implemented). */
    AjBool    keepsinglets= ajFalse; /*Whether to retain sequences of singlet families
				       and write them to an output file.         */

    AjPStr    temp      = NULL;	/* A temporary string.                       */
    AjPStr    cmd       = NULL; /* The command line to execute t-coffee.     */





    /* Initialise strings etc*/
    last_node = ajStrNew();
    exec     = ajStrNew();
    out      = ajStrNew();
    align    = ajStrNew();
    alignc   = ajStrNew();
    log      = ajStrNew();
    dom      = ajStrNew();
    set      = ajStrNew();
    scan     = ajStrNew();
    sort     = ajStrNew();
    name     = ajStrNew();
    temp     = ajStrNew();
    temp1    = ajStrNew();
    cmd      = ajStrNew();
    pdbnames = ajStrNew();




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

    dcfin       = ajAcdGetInfile("dcfinfile");
    pdb           = ajAcdGetDirectory("pdbdir");
    daf          = ajAcdGetOutdir("dafoutdir");
    super         = ajAcdGetOutdir("superoutdir");
    singlets      = ajAcdGetOutdir("singletsoutdir");
    node          = ajAcdGetList("node");
    mode          = ajAcdGetList("mode");    
    keepsinglets  = ajAcdGetToggle("keepsinglets");
    logf          = ajAcdGetOutfile("logfile");
   

    /* Convert the selected node and mode to an integer. */
    if(!(ajStrToInt(node[0], &noden)))
	ajFatal("Could not parse ACD node option");
    if(!(ajStrToInt(mode[0], &moden)))
	ajFatal("Could not parse ACD node option");


    /* Initialise random number generator for naming of temp. files. */
    ajRandomSeed();
    ajFilenameSetTempname(&name);


    /* Create names for temp. files. */
    ajStrAssignS(&log, name);	
    ajStrAppendC(&log, ".log");
    ajStrAssignS(&dom, name);	
    ajStrAppendC(&dom, ".dom");
    ajStrAssignS(&set, name);	
    ajStrAppendC(&set, ".set");
    ajStrAssignS(&scan, name);	
    ajStrAppendC(&scan, ".scan");
    ajStrAssignS(&sort, name);
    ajStrAppendC(&sort, ".sort");
    ajStrAssignS(&out, name);	
    ajStrAppendC(&out, ".out");


    /* Initialise last_node with something that is not in SCOP. */
    ajStrAssignC(&last_node,"!!!!!");
    
    

    /* Open STAMP domain set file. */
    if(moden == MODE_STAMP)
    {
	if(!(setf=ajFileNewOutNameS(set)))
	    ajFatal("Could not open domain set file\n");
    }
    

    /* Get domain type. */
    type = ajDomainDCFType(dcfin);


    /* Start of main application loop. */
    while((domain=(ajDomainReadCNew(dcfin, "*", type))))
    {
	/* A new family. */
	if(((domain->Type == ajSCOP) &&
	    (((noden==1) && (last_nodeid != domain->Scop->Sunid_Class))      ||
	     ((noden==2) && (last_nodeid != domain->Scop->Sunid_Fold))       ||
	     ((noden==3) && (last_nodeid != domain->Scop->Sunid_Superfamily))||
	     ((noden==4) && (last_nodeid != domain->Scop->Sunid_Family))))   ||
	   ((domain->Type == ajCATH) &&
	    (((noden==5) && (last_nodeid != domain->Cath->Class_Id))         ||
	     ((noden==6) && (last_nodeid != domain->Cath->Arch_Id))          ||
	     ((noden==7) && (last_nodeid != domain->Cath->Topology_Id))      ||
	     ((noden==8) && (last_nodeid != domain->Cath->Superfamily_Id))   ||
	     ((noden==9) && (last_nodeid != domain->Cath->Family_Id)))))
	{
	    /* If we have done the first family. */
	    if(famn)
	    {

		/* Create the output file for the alignment - the name will
		   be the same as the Sunid for the DOMAIN family. */
		domainalign_writeid(prevdomain, noden, daf, super,
				    &align, &alignc);

		if(moden == MODE_STAMP)
		{
		    /* Close domain set file. */
		    ajFileClose(&setf);	

		    /* Call STAMP. */
		    
		    /* Family with 2 or more entries. */
		    if(nset > 1)
		    {
			domainalign_stamp(prevdomain, 
					  domain, 
					  daf, 
					  super,
					  singlets, 
					  align, 
					  alignc, 
					  dom, 
					  name, 
					  set, 
					  scan, 
					  sort, 
					  log, 
					  out, 
					  keepsinglets, 
					  moden, 
					  noden,
					  nset, 
					  logf);
		    }
		    
		    else if(keepsinglets) /* Singlet family. */	
			domainalign_keepsinglets(prevdomain, noden,
						 singlets, logf);
			

		    /* Open STAMP domain set file. */
		    if(!(setf=ajFileNewOutNameS(set)))
			ajFatal("Could not open domain set file\n");
		}
		else
		{
		    /* Call TCOFEE. */
		    if(nset > 1)
			domainalign_tcoffee(prevdomain, out, align,
					    alignc, pdbnames, noden, logf);
		    else if(keepsinglets) /* Singlet family. */	
			domainalign_keepsinglets(prevdomain, noden,
						 singlets, logf);
		}

		/* Set the number of members of the new family to zero. */
		nset = 0;

		/* Clear TCOFFEE argument. */    
		ajStrSetClear(&pdbnames);
	    }	
	    
	    
	    /* Open, write and close STAMP domain file. */
	    if(moden == MODE_STAMP)
	    {
		if(!(domf=ajFileNewOutNameS(dom)))
		    ajFatal("Could not open domain file\n");
		ajStrAssignS(&temp, ajDomainGetId(domain));
		ajStrFmtLower(&temp);
		ajFmtPrintF(domf, "%S %S { ALL }\n", temp, temp);
		ajFileClose(&domf);	
	    }
	    
	    
	    /* Copy current family name to last_node. */
	    domainalign_writelast(domain, noden, &last_node, &last_nodeid);
	    
	    /* Copy current domain pointer to prevdomain. */
	    ajDomainDel(&prevdomain);
	    prevdomain=NULL;
	    ajDomainCopy(&prevdomain, domain);

	    /* Increment family counter. */
	    famn++;
	}
	
						
	ajStrAssignS(&temp, ajDomainGetId(domain));
	ajStrFmtLower(&temp);

	/* Write STAMP domain set file. */
	if(moden == MODE_STAMP)
	    ajFmtPrintF(setf, "%S %S { ALL }\n", temp, temp);
	/* Write TCOFFEE argument. */    
	else
	{
	    ajStrAppendS(&pdbnames, ajDirGetPath(pdb));
	    ajStrAppendS(&pdbnames, temp);
	    ajStrAppendC(&pdbnames, ".");
	    ajStrAppendS(&pdbnames, ajDirGetExt(pdb));
	    ajStrAppendC(&pdbnames, " ");
	}
	
	ajDomainDel(&domain);

	/* Increment number of members in family. */
	nset++;
    }
    
    /* End of main application loop. */
    domain=prevdomain;
    

    ajFmtPrint("\nProcessing node %d\n", last_nodeid);
    


    /* Create the output file for the alignment - the name will
       be the same as the Sunid for the DOMAIN family. */
    domainalign_writeid(prevdomain, noden, daf, super, &align, &alignc);



    /* Code to process last family. */
    if(moden == MODE_STAMP)
    {
	/*Close domain set file. */
	ajFileClose(&setf);	

		
	/*    ajFmtPrint("\n***** SECOND CALL\n");. */
	if(nset > 1)
	{
	    domainalign_stamp(prevdomain, 
			      domain, 
			      daf, 
			      super,
			      singlets, 
			      align, 
			      alignc, 
			      dom, 
			      name, 
			      set, 
			      scan, 
			      sort, 
			      log, 
			      out, 
			      keepsinglets, 
			      moden, 
			      noden,
			      nset, 
			      logf);
	}
	
	else if(keepsinglets) /* Singlet family. */	
	    domainalign_keepsinglets(prevdomain, noden, singlets, logf);
			
    }
    else
    {
	/* Call TCOFEE. */
	if(nset > 1)
	    domainalign_tcoffee(prevdomain, out, align, alignc, 
				pdbnames, noden, logf);
	else if(keepsinglets) /* Singlet family. */	
	    domainalign_keepsinglets(prevdomain, noden, singlets, logf);
    }


    /* Remove all temporary files. */

    ajSysFileUnlinkS(log);
    ajSysFileUnlinkS(dom);
    ajSysFileUnlinkS(set);
    ajSysFileUnlinkS(scan);
    ajSysFileUnlinkS(sort);
    ajSysFileUnlinkS(out);
    ajStrAssignS(&temp, name);	
    ajStrAppendC(&temp, ".mat");
    ajSysFileUnlinkS(temp);



    /* Tidy up*/
    ajDomainDel(&domain);
    ajFileClose(&dcfin);	
    ajStrDel(&last_node);
    ajStrDel(&exec);
    ajStrDel(&log);
    ajStrDel(&dom);
    ajStrDel(&set);
    ajStrDel(&scan);
    ajStrDel(&sort);
    ajStrDel(&name);
    ajStrDel(&out);
    ajStrDel(&align);
    ajStrDel(&alignc);
    ajStrDel(&pdbnames);
    ajDirDel(&pdb); 
    ajDiroutDel(&daf); 
    ajDiroutDel(&super); 
    ajDiroutDel(&singlets); 
    ajStrDel(&temp); 
    ajStrDel(&temp1); 
    ajStrDel(&node[0]);
    AJFREE(node);
    ajStrDel(&mode[0]);
    AJFREE(mode);
    ajFileClose(&logf);
    
    ajExit();
    return 0;
}
Exemplo n.º 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;
}