Created
October 11, 2016 17:49
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old apollo setLongestORF
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public void setLongestORF(Transcript transcript, SequenceUtil.TranslationTable translationTable, boolean allowPartialExtension, boolean readThroughStopCodon) { | |
String mrna = getSession().getResiduesWithAlterationsAndFrameshifts(transcript); | |
if (mrna == null || mrna.equals("null")) { | |
return; | |
} | |
String longestPeptide = ""; | |
int bestStartIndex = -1; | |
int bestStopIndex = -1; | |
boolean partialStop = false; | |
if (mrna.length() > 3) { | |
for (String startCodon : translationTable.getStartCodons()) { | |
int startIndex = mrna.indexOf(startCodon); | |
while (startIndex >= 0) { | |
String mrnaSubstring = mrna.substring(startIndex); | |
String aa = SequenceUtil.translateSequence(mrnaSubstring, translationTable, true, readThroughStopCodon); | |
if (aa.length() > longestPeptide.length()) { | |
longestPeptide = aa; | |
bestStartIndex = startIndex; | |
bestStopIndex = startIndex + (aa.length() * 3); | |
if (!longestPeptide.substring(longestPeptide.length() - 1).equals(SequenceUtil.TranslationTable.STOP)) { | |
partialStop = true; | |
bestStopIndex += mrnaSubstring.length() % 3; | |
} | |
} | |
startIndex = mrna.indexOf(startCodon, startIndex + 1); | |
} | |
} | |
} | |
Date date = new Date(); | |
if (transcript.getType().equals("sequence:mRNA")) { | |
boolean needCdsIndex = transcript.getCDS() == null; | |
CDS cds = transcript.getCDS(); | |
if (cds == null) { | |
cds = createCDS(transcript); | |
transcript.setCDS(cds); | |
} | |
if (bestStartIndex >= 0) { | |
int fmin = getSession().convertModifiedLocalCoordinateToSourceCoordinate(transcript, bestStartIndex); | |
int fmax = getSession().convertModifiedLocalCoordinateToSourceCoordinate(transcript, bestStopIndex); | |
if (cds.getStrand().equals(-1)) { | |
int tmp = fmin; | |
fmin = fmax + 1; | |
fmax = tmp + 1; | |
} | |
cds.setFmin(fmin); | |
cds.setFminPartial(false); | |
cds.setFmax(fmax); | |
cds.setFmaxPartial(partialStop); | |
} else { | |
cds.setFmin(transcript.getFmin()); | |
cds.setFminPartial(true); | |
String aa = SequenceUtil.translateSequence(mrna, translationTable, true, readThroughStopCodon); | |
if (aa.substring(aa.length() - 1).equals(SequenceUtil.TranslationTable.STOP)) { | |
cds.setFmax(getSession().convertModifiedLocalCoordinateToSourceCoordinate(transcript, aa.length() * 3)); | |
cds.setFmaxPartial(false); | |
} else { | |
cds.setFmax(transcript.getFmax()); | |
cds.setFmaxPartial(true); | |
} | |
} | |
if (readThroughStopCodon) { | |
String aa = SequenceUtil.translateSequence(getSession().getResiduesWithAlterationsAndFrameshifts(cds), translationTable, true, true); | |
int firstStopIndex = aa.indexOf(SequenceUtil.TranslationTable.STOP); | |
if (firstStopIndex < aa.length() - 1) { | |
StopCodonReadThrough stopCodonReadThrough = createStopCodonReadThrough(cds); | |
cds.setStopCodonReadThrough(stopCodonReadThrough); | |
int offset = transcript.getStrand() == -1 ? -2 : 0; | |
stopCodonReadThrough.setFmin(getSession().convertModifiedLocalCoordinateToSourceCoordinate(cds, firstStopIndex * 3) + offset); | |
stopCodonReadThrough.setFmax(getSession().convertModifiedLocalCoordinateToSourceCoordinate(cds, firstStopIndex * 3) + 3 + offset); | |
} | |
} else { | |
cds.deleteStopCodonReadThrough(); | |
} | |
setManuallySetTranslationStart(cds, false); | |
setManuallySetTranslationEnd(cds, false); |
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