struct hash *loadAndWeighTce(char *fileName, struct hash *refToPepHash,
	struct hash *pepToRefHash)
/* Load transcript cds evidence from file into hash of
 * txCdsInfo. */
{
/* Read all tce's in file into list and hash of txCdsInfo. */
struct txCdsInfo *tx, *txList = NULL;
struct lineFile *lf = lineFileOpen(fileName, TRUE);
struct hash *hash = hashNew(18);
char *row[CDSEVIDENCE_NUM_COLS];
while  (lineFileRow(lf, row))
    {
    /* Convert row to cdsEvidence structure. */
    struct cdsEvidence *cds = cdsEvidenceLoad(row);
    char *acc = txAccFromTempName(cds->name);

    tx = hashFindVal(hash, cds->name);
    if (tx == NULL)
        {
	AllocVar(tx);
	hashAddSaveName(hash, cds->name, tx, &tx->name);
	slAddHead(&txList, tx);
	}

    /* Track whether it's refSeq, and the associated protein. */
    char *refSeqAcc = NULL, *refPepAcc = NULL;

    refPepAcc = hashFindVal(refToPepHash, acc);
    refSeqAcc = hashFindVal(pepToRefHash, acc);
    if (refPepAcc != NULL && refSeqAcc == NULL)
	refSeqAcc = acc;
    if (refSeqAcc != NULL && refPepAcc == NULL)
        refPepAcc = acc;

    /* If we are refSeq, bump our score for matches to our own 
     * bits by a huge factor. */
    if (refPepAcc != NULL && startsWith("RefPep", cds->source)
        && sameString(cds->accession, refPepAcc))
	cds->score += refSeqWeight;
    if (refSeqAcc != NULL && startsWith("RefSeq", cds->source)
        && sameString(cds->accession, refSeqAcc))
	cds->score += refSeqWeight + 100;

    /* If we are CCDS then that's great too. */
    if (sameString("ccds", cds->source))
        cds->score += ccdsWeight;

    /* If we are txCdsPredict bump weight too.  Only RefSeq and txCdsPredict
     * can actually possibly make it over real threshold. */
    if (sameString("txCdsPredict", cds->source))
        cds->score += txCdsPredictWeight;
    slAddHead(&tx->cdsList, cds);
    }
lineFileClose(&lf);
slReverse(&txList);

/* Sort all cdsLists by score. */
for (tx = txList; tx != NULL; tx = tx->next)
    slSort(&tx->cdsList, cdsEvidenceCmpScore);

return hash;
}
Beispiel #2
0
void txInfoAssemble(char *txBedFile, char *cdsEvFile, char *txCdsPredictFile, char *altSpliceFile,
	char *exceptionFile, char *sizePolyAFile, char *pslFile, char *flipFile, char *outFile)
/* txInfoAssemble - Assemble information from various sources into txInfo table.. */
{
/* Build up hash of evidence keyed by transcript name. */
struct hash *cdsEvHash = hashNew(18);
struct cdsEvidence *cdsEv, *cdsEvList = cdsEvidenceLoadAll(cdsEvFile);
for (cdsEv = cdsEvList; cdsEv != NULL; cdsEv = cdsEv->next)
    hashAddUnique(cdsEvHash, cdsEv->name, cdsEv);
verbose(2, "Loaded %d elements from %s\n", cdsEvHash->elCount, cdsEvFile);

/* Build up hash of bestorf structures keyed by transcript name */
struct hash *predictHash = hashNew(18);
struct cdsEvidence *predict, *predictList = cdsEvidenceLoadAll(txCdsPredictFile);
for (predict = predictList; predict != NULL; predict = predict->next)
     hashAddUnique(predictHash, predict->name, predict);
verbose(2, "Loaded %d predicts from %s\n", predictHash->elCount, txCdsPredictFile);

/* Build up structure for random access of retained introns */
struct bed *altSpliceList = bedLoadNAll(altSpliceFile, 6);
verbose(2, "Loaded %d alts from %s\n", slCount(altSpliceList), altSpliceFile);
struct hash *altSpliceHash = bedsIntoHashOfKeepers(altSpliceList);

/* Read in exception info. */
struct hash *selenocysteineHash, *altStartHash;
genbankExceptionsHash(exceptionFile, &selenocysteineHash, &altStartHash);

/* Read in polyA sizes */
struct hash *sizePolyAHash = hashNameIntFile(sizePolyAFile);
verbose(2, "Loaded %d from %s\n", sizePolyAHash->elCount, sizePolyAFile);

/* Read in psls */
struct hash *pslHash = hashNew(20);
struct psl *psl, *pslList = pslLoadAll(pslFile);
for (psl = pslList; psl != NULL; psl = psl->next)
    hashAdd(pslHash, psl->qName, psl);
verbose(2, "Loaded %d from %s\n", pslHash->elCount, pslFile);

/* Read in accessions that we flipped for better splice sites. */
struct hash *flipHash = hashWordsInFile(flipFile, 0);

/* Open primary gene input and output. */
struct lineFile *lf = lineFileOpen(txBedFile, TRUE);
FILE *f = mustOpen(outFile, "w");

/* Main loop - process each gene */
char *row[12];
while (lineFileRow(lf, row))
    {
    struct bed *bed = bedLoad12(row);
    verbose(3, "Processing %s\n", bed->name);

    /* Initialize info to zero */
    struct txInfo info;
    ZeroVar(&info);

    /* Figure out name, sourceAcc, and isRefSeq from bed->name */
    info.name = bed->name;
    info.category = "n/a";
    if (isRfam(bed->name) || stringIn("tRNA", bed->name) != NULL)
	{
	info.sourceAcc = cloneString(bed->name);
	}
    else 
	{
	info.sourceAcc = txAccFromTempName(bed->name);
	}
    info.isRefSeq = startsWith("NM_", info.sourceAcc);

    if (startsWith("antibody.", info.sourceAcc) 
	|| startsWith("CCDS", info.sourceAcc) || isRfam(info.sourceAcc)
	|| stringIn("tRNA", info.sourceAcc) != NULL)
        {
	/* Fake up some things for antibody frag and CCDS that don't have alignments. */
	info.sourceSize = bedTotalBlockSize(bed);
	info.aliCoverage = 1.0;
	info.aliIdRatio = 1.0;
	info. genoMapCount = 1;
	}
    else
	{
	/* Loop through all psl's associated with our RNA.  Figure out
	 * our overlap with each, and pick best one. */
	struct hashEl *hel, *firstPslHel = hashLookup(pslHash, info.sourceAcc);
	if (firstPslHel == NULL)
	    errAbort("%s is not in %s", info.sourceAcc, pslFile);
	int mapCount = 0;
	struct psl *psl, *bestPsl = NULL;
	int coverage, bestCoverage = 0;
	boolean isFlipped = (hashLookup(flipHash, info.sourceAcc) != NULL);
	for (hel = firstPslHel; hel != NULL; hel = hashLookupNext(hel))
	    {
	    psl = hel->val;
	    mapCount += 1;
	    coverage = pslBedOverlap(psl, bed);
	    if (coverage > bestCoverage)
		{
		bestCoverage = coverage;
		bestPsl = psl;
		}
	    /* If we flipped it, try it on the opposite strand too. */
	    if (isFlipped)
		{
		psl->strand[0] = (psl->strand[0] == '+' ? '-' : '+');
		coverage = pslBedOverlap(psl, bed);
		if (coverage > bestCoverage)
		    {
		    bestCoverage = coverage;
		    bestPsl = psl;
		    }
		psl->strand[0] = (psl->strand[0] == '+' ? '-' : '+');
		}
	    }
	if (bestPsl == NULL)
	    errAbort("%s has no overlapping alignments with %s in %s", 
		    bed->name, info.sourceAcc, pslFile);

	/* Figure out and save alignment statistics. */
	int polyA = hashIntValDefault(sizePolyAHash, bed->name, 0);
	info.sourceSize = bestPsl->qSize - polyA;
	info.aliCoverage = (double)bestCoverage / info.sourceSize;
	info.aliIdRatio = (double)(bestPsl->match + bestPsl->repMatch)/
			    (bestPsl->match + bestPsl->misMatch + bestPsl->repMatch);
	info. genoMapCount = mapCount;
	}


    /* Get orf size and start/end complete from cdsEv. */
    if (bed->thickStart < bed->thickEnd)
	{
	cdsEv = hashFindVal(cdsEvHash, bed->name);
	if (cdsEv != NULL)
	    {
	    info.orfSize = cdsEv->end - cdsEv->start;
	    info.startComplete = cdsEv->startComplete;
	    info.endComplete = cdsEv->endComplete;
	    }
	}

    /* Get score from prediction. */
    predict = hashFindVal(predictHash, bed->name);
    if (predict != NULL)
        info.cdsScore = predict->score;

    /* Figure out nonsense-mediated-decay from bed itself. */
    info.nonsenseMediatedDecay = isNonsenseMediatedDecayTarget(bed);

    /* Figure out if retained intron from bed and alt-splice keeper hash */
    info.retainedIntron = hasRetainedIntron(bed, altSpliceHash);
    info.strangeSplice = countStrangeSplices(bed, altSpliceHash);
    info.atacIntrons = countAtacIntrons(bed, altSpliceHash);
    info.bleedIntoIntron = addIntronBleed(bed, altSpliceHash);

    /* Look up selenocysteine info. */
    info.selenocysteine = (hashLookup(selenocysteineHash, bed->name) != NULL);

    /* Loop through bed looking for small gaps indicative of frame shift/stop */
    int i, lastBlock = bed->blockCount-1;
    int exonCount = 1;
    for (i=0; i < lastBlock; ++i)
        {
	int gapStart = bed->chromStarts[i] + bed->blockSizes[i];
	int gapEnd = bed->chromStarts[i+1];
	int gapSize = gapEnd - gapStart;
	switch (gapSize)
	    {
	    case 1:
	    case 2:
	        info.genomicFrameShift = TRUE;
		break;
	    case 3:
	        info.genomicStop = TRUE;
		break;
	    default:
	        exonCount += 1;
		break;
	    }
	}
    info.exonCount = exonCount;

    /* Write info, free bed. */
    txInfoTabOut(&info, f);
    bedFree(&bed);
    }

/* Clean up and go home. */
carefulClose(&f);
}
Beispiel #3
0
void txGeneCdsMap(char *inBed, char *inInfo, char *inPicks, char *refPepToTxPsl, 
	char *refToPepTab, char *chromSizes, char *cdsToRna, char *rnaToGenome)
/* txGeneCdsMap - Create mapping between CDS region of gene and genome. */
{
/* Load info into hash. */
struct hash *infoHash = hashNew(18);
struct txInfo *info, *infoList = txInfoLoadAll(inInfo);
for (info = infoList; info != NULL; info = info->next)
    hashAdd(infoHash, info->name, info);

/* Load picks into hash.  We don't use cdsPicksLoadAll because empty fields
 * cause that autoSql-generated routine problems. */
struct hash *pickHash = newHash(18);
struct cdsPick *pick;
struct lineFile *lf = lineFileOpen(inPicks, TRUE);
char *row[CDSPICK_NUM_COLS];
while (lineFileRowTab(lf, row))
    {
    pick = cdsPickLoad(row);
    hashAdd(pickHash, pick->name, pick);
    }
lineFileClose(&lf);

/* Load refPep/tx alignments into hash keyed by tx. */
struct hash *refPslHash = hashNew(18);
struct psl *psl, *pslList  = pslLoadAll(refPepToTxPsl);
for (psl = pslList; psl != NULL; psl = psl->next)
    hashAdd(refPslHash, psl->tName, psl);

struct hash *refToPepHash = hashTwoColumnFile(refToPepTab);
struct hash *chromSizeHash = hashNameIntFile(chromSizes);

/* Load in bed. */
struct bed *bed, *bedList = bedLoadNAll(inBed, 12);

/* Open output, and stream through bedList, writing output. */
FILE *fCdsToRna = mustOpen(cdsToRna, "w");
FILE *fRnaToGenome = mustOpen(rnaToGenome, "w");
int refTotal = 0, refFound = 0;
for (bed = bedList; bed != NULL; bed = bed->next)
    {
    if (bed->thickStart < bed->thickEnd)
	{
	char *chrom = bed->chrom;
	int chromSize = hashIntVal(chromSizeHash, chrom);
	info = hashMustFindVal(infoHash, bed->name);
	pick = hashMustFindVal(pickHash, bed->name);
	if (info->isRefSeq)
	    {
	    char *refAcc = txAccFromTempName(bed->name);
	    if (!startsWith("NM_", refAcc))
		errAbort("Don't think I did find that refSeq acc, got %s", refAcc);
	    char *protAcc = hashMustFindVal(refToPepHash, refAcc);
	    ++refTotal;
	    if (findAndMapPsl(bed, protAcc, refPslHash, chromSize, fCdsToRna))
	        ++refFound;
	    }
	else
	    {
	    fakeCdsToMrna(bed, fCdsToRna);
	    }
	fakeRnaToGenome(bed, chromSize, fRnaToGenome);
	}
    }
verbose(1, "Missed %d of %d refSeq protein mappings.  A small number of RefSeqs just map\n"
           "to genome in the UTR.\n", refTotal - refFound, refTotal);
carefulClose(&fCdsToRna);
carefulClose(&fRnaToGenome);
}