/**
* Returns an AFPChain corresponding to the alignment between {@code structure1} and {@code
* structure2}, which is given by the gapped protein sequences {@code sequence1} and {@code
* sequence2}. The sequences need not correspond to the entire structures, since local alignment
* is performed to match the sequences to structures. Assumes that a residue is aligned if and
* only if it is given by an uppercase letter.
*
* @param sequence1 <em>Must</em> have {@link ProteinSequence#getUserCollection()} set to document
* upper- and lower-case as aligned and unaligned; see {@link
* #getAlignedUserCollection(String)}
* @throws StructureException
*/
public static AFPChain fastaToAfpChain(
ProteinSequence sequence1,
ProteinSequence sequence2,
Structure structure1,
Structure structure2)
throws StructureException {
if (structure1 == null || structure2 == null) {
throw new IllegalArgumentException("A structure is null");
}
if (sequence1 == null || sequence2 == null) {
throw new IllegalArgumentException("A sequence is null");
}
Atom[] ca1 = StructureTools.getRepresentativeAtomArray(structure1);
Atom[] ca2 = StructureTools.getRepresentativeAtomArray(structure2);
ResidueNumber[] residues1 =
StructureSequenceMatcher.matchSequenceToStructure(sequence1, structure1);
ResidueNumber[] residues2 =
StructureSequenceMatcher.matchSequenceToStructure(sequence2, structure2);
// nullify ResidueNumbers that have a lowercase sequence character
if (sequence1.getUserCollection() != null) {
CasePreservingProteinSequenceCreator.setLowercaseToNull(sequence1, residues1);
}
if (sequence2.getUserCollection() != null) {
CasePreservingProteinSequenceCreator.setLowercaseToNull(sequence2, residues2);
}
return buildAlignment(ca1, ca2, residues1, residues2);
}
public static AFPChain cpFastaToAfpChain(
String first, String second, Structure structure, int cpSite)
throws StructureException, CompoundNotFoundException {
ProteinSequence s1 = new ProteinSequence(first);
s1.setUserCollection(getAlignedUserCollection(first));
ProteinSequence s2 = new ProteinSequence(second);
s2.setUserCollection(getAlignedUserCollection(second));
return cpFastaToAfpChain(s1, s2, structure, cpSite);
}
/**
* TODO Write comment
*
* @param sequence1
* @param sequence2
* @param structure1
* @param structure2
* @return
* @throws StructureException
* @throws CompoundNotFoundException
*/
public static AFPChain fastaToAfpChain(
String sequence1, String sequence2, Structure structure1, Structure structure2)
throws StructureException, CompoundNotFoundException {
ProteinSequence s1 = new ProteinSequence(sequence1);
s1.setUserCollection(getAlignedUserCollection(sequence1));
ProteinSequence s2 = new ProteinSequence(sequence2);
s2.setUserCollection(getAlignedUserCollection(sequence2));
return fastaToAfpChain(s1, s2, structure1, structure2);
}
public LinkedHashMap<String, ProteinSequence> getProteinSequences() throws Exception {
LinkedHashMap<String, ProteinSequence> proteinSequenceList =
new LinkedHashMap<String, ProteinSequence>();
ArrayList<Element> elementList =
XMLHelper.selectElements(geneidDoc.getDocumentElement(), "prediction/gene/protein");
logger.info("{} hits", elementList.size());
for (Element proteinElement : elementList) {
Element geneElement = (Element) proteinElement.getParentNode();
String sequence = proteinElement.getTextContent().replaceAll("\\W", "");
ProteinSequence proteinSequence = new ProteinSequence(sequence);
String idGene = geneElement.getAttribute("idGene");
proteinSequence.setAccession(new AccessionID(idGene));
proteinSequenceList.put(idGene, proteinSequence);
}
return proteinSequenceList;
}
/** Test of process method, of class FastaReader. */
@Test
public void testProcess() throws Exception {
logger.info("process");
InputStream inStream = this.getClass().getResourceAsStream("/PF00104_small.fasta");
assertNotNull(inStream);
FastaReader<ProteinSequence, AminoAcidCompound> fastaReader =
new FastaReader<ProteinSequence, AminoAcidCompound>(
inStream,
new GenericFastaHeaderParser<ProteinSequence, AminoAcidCompound>(),
new ProteinSequenceCreator(AminoAcidCompoundSet.getAminoAcidCompoundSet()));
LinkedHashMap<String, ProteinSequence> proteinSequences = fastaReader.process();
inStream.close();
// Should have 282 sequences
// logger.debug("Expecting 283 got " + proteinSequences.size());
assertEquals(proteinSequences.size(), 283);
int seqNum = 0;
for (String id : proteinSequences.keySet()) {
ProteinSequence proteinSequence = proteinSequences.get(id);
switch (seqNum) {
case 0:
assertEquals(proteinSequence.getAccession().getID(), "A2D504_ATEGE/1-46");
assertEquals(
proteinSequence.getSequenceAsString(),
"-----------------FK-N----LP-LED----------------Q----ITL--IQY-----------SWM----------------------CL-SSFA------LSWRSYK---HTNSQFLYFAPDLVF-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------");
break;
case 281:
// logger.debug("Get Accession: {}", proteinSequence.getAccession());
// logger.debug("Get Protein Sequence: {}", proteinSequence.getSequenceAsString());
assertEquals(proteinSequence.getAccession().getID(), "Q9PU76_CRONI/141-323");
assertEquals(
proteinSequence.getSequenceAsString(),
"VETVTELTEFAKSI-PGFS-N----LD-LND----------------Q----VTL--LKY-----------GVY----------------------EA-IFAM------LASVMNK---DGMPVAYGNGFITRE------------------------------------------------------------------------------------------------------------------------------------------------------------FLKSLRKPFCDIMEPKFDFA-MKF-NSL-E-LDDSDI--------------------SLFVA-AIIC-CGDRPG-------------------------------------------LVNV--GHIEKMQESIVHVLKL-H-----LQN---------NH---PD----------------------------DI------F--------LFP-KLLQKMAD-LRQLV-----------------TEH-AQLV--QIIKK---TESDAHLHPLL-------QEI---");
break;
case 282:
assertEquals(proteinSequence.getAccession().getID(), "Q98SJ1_CHICK/15-61");
assertEquals(
proteinSequence.getSequenceAsString(),
"---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------Q-----------------NW------Q--------RFY-QLTKLLDS-MHDVV-----------------ENL-LSFC--FQTFLDKSM--SIEFPEML-------AEI---");
break;
}
seqNum++;
}
assertEquals(seqNum, 283);
}
/** Test of process method, of class GenbankReader. */
@Test
public void testProcess() throws Throwable {
/*
* Method 1: With the GenbankProxySequenceReader
*/
// Try with the GenbankProxySequenceReader
GenbankProxySequenceReader<AminoAcidCompound> genbankProteinReader =
new GenbankProxySequenceReader<AminoAcidCompound>(
System.getProperty("java.io.tmpdir"),
"NP_000257",
AminoAcidCompoundSet.getAminoAcidCompoundSet());
ProteinSequence proteinSequence = new ProteinSequence(genbankProteinReader);
genbankProteinReader
.getHeaderParser()
.parseHeader(genbankProteinReader.getHeader(), proteinSequence);
logger.info(
"Sequence({},{}) = {}...",
proteinSequence.getAccession(),
proteinSequence.getLength(),
proteinSequence.getSequenceAsString().substring(0, 10));
GenbankProxySequenceReader<NucleotideCompound> genbankDNAReader =
new GenbankProxySequenceReader<NucleotideCompound>(
System.getProperty("java.io.tmpdir"), "NM_001126", DNACompoundSet.getDNACompoundSet());
DNASequence dnaSequence = new DNASequence(genbankDNAReader);
genbankDNAReader.getHeaderParser().parseHeader(genbankDNAReader.getHeader(), dnaSequence);
logger.info(
"Sequence({},{}) = {}...",
dnaSequence.getAccession(),
dnaSequence.getLength(),
dnaSequence.getSequenceAsString().substring(0, 10));
/*
* Method 2: With the GenbankReaderHelper
*/
// Try with the GenbankReaderHelper
ClasspathResource dnaResource = new ClasspathResource("NM_000266.gb", true);
// File dnaFile = new File("src/test/resources/NM_000266.gb");
// File protFile = new File("src/test/resources/BondFeature.gb");
ClasspathResource protResource = new ClasspathResource("BondFeature.gb");
LinkedHashMap<String, DNASequence> dnaSequences =
GenbankReaderHelper.readGenbankDNASequence(dnaResource.getInputStream());
for (DNASequence sequence : dnaSequences.values()) {
logger.info("DNA Sequence: {}", sequence.getSequenceAsString());
}
LinkedHashMap<String, ProteinSequence> protSequences =
GenbankReaderHelper.readGenbankProteinSequence(protResource.getInputStream());
for (ProteinSequence sequence : protSequences.values()) {
logger.info("Protein Sequence: {}", sequence.getSequenceAsString());
}
/*
* Method 3: With the GenbankReader Object
*/
// Try reading with the GanbankReader
GenbankReader<DNASequence, NucleotideCompound> dnaReader =
new GenbankReader<DNASequence, NucleotideCompound>(
dnaResource.getInputStream(),
new GenericGenbankHeaderParser<DNASequence, NucleotideCompound>(),
new DNASequenceCreator(DNACompoundSet.getDNACompoundSet()));
dnaSequences = dnaReader.process();
logger.info("DNA Sequence: {}", dnaSequences);
GenbankReader<ProteinSequence, AminoAcidCompound> protReader =
new GenbankReader<ProteinSequence, AminoAcidCompound>(
protResource.getInputStream(),
new GenericGenbankHeaderParser<ProteinSequence, AminoAcidCompound>(),
new ProteinSequenceCreator(AminoAcidCompoundSet.getAminoAcidCompoundSet()));
protSequences = protReader.process();
logger.info("Protein Sequence: {}", protSequences);
}
@Test
public void processIntTest() throws Exception {
logger.info("process(int)");
InputStream inStream = this.getClass().getResourceAsStream("/PF00104_small.fasta");
assertNotNull(inStream);
FastaReader<ProteinSequence, AminoAcidCompound> fastaReader =
new FastaReader<ProteinSequence, AminoAcidCompound>(
inStream,
new GenericFastaHeaderParser<ProteinSequence, AminoAcidCompound>(),
new ProteinSequenceCreator(AminoAcidCompoundSet.getAminoAcidCompoundSet()));
LinkedHashMap<String, ProteinSequence> proteinSequences = fastaReader.process(200);
// Should have 200 sequences
// logger.debug("Expecting 200 got " + proteinSequences.size());
assertEquals(proteinSequences.size(), 200);
int seqNum = 0;
for (String id : proteinSequences.keySet()) {
ProteinSequence proteinSequence = proteinSequences.get(id);
switch (seqNum) {
case 0:
assertEquals(proteinSequence.getAccession().getID(), "A2D504_ATEGE/1-46");
assertEquals(
proteinSequence.getSequenceAsString(),
"-----------------FK-N----LP-LED----------------Q----ITL--IQY-----------SWM----------------------CL-SSFA------LSWRSYK---HTNSQFLYFAPDLVF-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------");
break;
case 199:
assertEquals(proteinSequence.getAccession().getID(), "Q5F0P7_HUMAN/248-428");
assertEquals(
proteinSequence.getSequenceAsString(),
"DRELVVIIGWAKHI-PGFS-S----LS-LGD----------------Q----MSL--LQS-----------AWM----------------------EI-LILG------IVYRSLP---YDDKLVYAEDYIMD-------------------------------------------------------------------------------------------------------------------------------------------------------------EEHSRLAGLLELYRAILQLV-RRY-KKL-K-VEKEEF--------------------VTLKA-LALA-NSDSMY-------------------------------------------IEDL--EAVQKLQDLLHEALQD-Y-----ELS---------QR---HE----------------------------EP------W--------RTG-KLLLTLPL-LRQTA-----------------AKA-VQHF--YSVKLQGKV--PMH--KLF-------LEM---");
break;
}
seqNum++;
}
assertEquals(seqNum, 200);
// Should have 83 sequences
proteinSequences = fastaReader.process(200);
assertEquals(proteinSequences.size(), 83);
seqNum = 0;
for (String id : proteinSequences.keySet()) {
ProteinSequence proteinSequence = proteinSequences.get(id);
switch (seqNum) {
case 0:
assertEquals(proteinSequence.getAccession().getID(), "RARA_CANFA/233-413");
assertEquals(
proteinSequence.getSequenceAsString(),
"TKCIIKTVEFAKQL-PGFT-T----LT-IAD----------------Q----ITL--LKA-----------ACL----------------------DI-LILR------ICTRYTP---EQDTMTFSEGLTLN-------------------------------------------------------------------------------------------------------------------------------------------------------------RTQMHKAGFGPLTDLVFAFA-NQL-LPL-E-MDDAET--------------------GLLSA-ICLI-CGDRQD-------------------------------------------LEQP--DRVDMLQEPLLEALKV-Y-----VRK---------RR---PS----------------------------RP------H--------MFP-KMLMKITD-LRSIS-----------------AKG-AERV--ITLKMEIPG--SMP--PLI-------QEM---");
break;
case 81:
// logger.debug(proteinSequence.getAccession());
// logger.debug(proteinSequence.getSequenceAsString());
assertEquals(proteinSequence.getAccession().getID(), "Q9PU76_CRONI/141-323");
assertEquals(
proteinSequence.getSequenceAsString(),
"VETVTELTEFAKSI-PGFS-N----LD-LND----------------Q----VTL--LKY-----------GVY----------------------EA-IFAM------LASVMNK---DGMPVAYGNGFITRE------------------------------------------------------------------------------------------------------------------------------------------------------------FLKSLRKPFCDIMEPKFDFA-MKF-NSL-E-LDDSDI--------------------SLFVA-AIIC-CGDRPG-------------------------------------------LVNV--GHIEKMQESIVHVLKL-H-----LQN---------NH---PD----------------------------DI------F--------LFP-KLLQKMAD-LRQLV-----------------TEH-AQLV--QIIKK---TESDAHLHPLL-------QEI---");
break;
case 82:
assertEquals(proteinSequence.getAccession().getID(), "Q98SJ1_CHICK/15-61");
assertEquals(
proteinSequence.getSequenceAsString(),
"---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------Q-----------------NW------Q--------RFY-QLTKLLDS-MHDVV-----------------ENL-LSFC--FQTFLDKSM--SIEFPEML-------AEI---");
break;
}
seqNum++;
}
assertEquals(seqNum, 83);
fastaReader.close();
inStream.close();
}
/**
* Takes a structure and sequence corresponding to an alignment between a structure or sequence
* and itself (or even a structure with a sequence), where the result has a circular permutation
* site {@link cpSite} residues to the right.
*
* @param first The unpermuted sequence
* @param second The sequence permuted by cpSite
* @param cpSite The number of residues from the beginning of the sequence at which the circular
* permutation site occurs; can be positive or negative; values greater than the length of the
* sequence are acceptable
* @throws StructureException
*/
public static AFPChain cpFastaToAfpChain(
ProteinSequence first, ProteinSequence second, Structure structure, int cpSite)
throws StructureException {
if (structure == null) {
throw new IllegalArgumentException("The structure is null");
}
if (first == null) {
throw new IllegalArgumentException("The sequence is null");
}
// we need to find the ungapped CP site
int gappedCpShift = 0;
int ungappedCpShift = 0;
while (ungappedCpShift < Math.abs(cpSite)) {
char c;
try {
if (cpSite <= 0) {
c = second.getSequenceAsString().charAt(gappedCpShift);
} else {
c = second.getSequenceAsString().charAt(first.getLength() - 1 - gappedCpShift);
}
} catch (StringIndexOutOfBoundsException e) {
throw new IllegalArgumentException("CP site of " + cpSite + " is wrong");
}
if (c != '-') {
ungappedCpShift++;
}
gappedCpShift++;
}
Atom[] ca1 = StructureTools.getRepresentativeAtomArray(structure);
Atom[] ca2 =
StructureTools.getRepresentativeAtomArray(
structure); // can't use cloneCAArray because it doesn't set parent
// group.chain.structure
ProteinSequence antipermuted = null;
try {
antipermuted =
new ProteinSequence(
SequenceTools.permuteCyclic(second.getSequenceAsString(), gappedCpShift));
} catch (CompoundNotFoundException e) {
// this can't happen, the original sequence comes from a ProteinSequence
logger.error(
"Unexpected error while creating protein sequence: {}. This is most likely a bug.",
e.getMessage());
}
ResidueNumber[] residues = StructureSequenceMatcher.matchSequenceToStructure(first, structure);
ResidueNumber[] antipermutedResidues =
StructureSequenceMatcher.matchSequenceToStructure(antipermuted, structure);
ResidueNumber[] nonpermutedResidues = new ResidueNumber[antipermutedResidues.length];
SequenceTools.permuteCyclic(antipermutedResidues, nonpermutedResidues, -gappedCpShift);
// nullify ResidueNumbers that have a lowercase sequence character
if (first.getUserCollection() != null) {
CasePreservingProteinSequenceCreator.setLowercaseToNull(first, residues);
}
if (second.getUserCollection() != null) {
CasePreservingProteinSequenceCreator.setLowercaseToNull(second, nonpermutedResidues);
}
// for (int i = 0; i < residues.length; i++) {
// if (residues[i] == null) {
// System.out.print("=");
// } else {
// System.out.print(sequence.getSequenceAsString().charAt(i));
// }
// }
// System.out.println();
// for (int i = 0; i < residues.length; i++) {
// if (nonpermutedResidues[i] == null) {
// System.out.print("=");
// } else {
// System.out.print(second.getSequenceAsString().charAt(i));
// }
// }
// System.out.println();
return buildAlignment(ca1, ca2, residues, nonpermutedResidues);
}
