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37 * Implements gmx::analysismodules::Trajectory.
39 * \author Sergey Gorelov <gorelov_sv@pnpi.nrcki.ru>
40 * \author Anatoly Titov <titov_ai@pnpi.nrcki.ru>
41 * \author Alexey Shvetsov <alexxyum@gmail.com>
42 * \ingroup module_trajectoryanalysis
46 There's something wrong with energy of the last residue
50 #include "dssptools.h"
53 #include "gromacs/math/units.h"
55 #include "gromacs/pbcutil/pbc.h"
56 #include <gromacs/trajectoryanalysis.h>
57 #include "gromacs/trajectoryanalysis/topologyinformation.h"
66 namespace analysismodules
69 //void ResInfo::setIndex(backboneAtomTypes atomTypeName, std::size_t atomIndex)
71 // _ResInfo.at(static_cast<std::size_t>(atomTypeName)) = atomIndex;
74 //std::size_t ResInfo::getIndex(backboneAtomTypes atomTypeName) const
76 // return _ResInfo[static_cast<std::size_t>(atomTypeName)];
79 std::size_t ResInfo::getIndex(backboneAtomTypes atomTypeName) const{
80 return _backboneIndices[static_cast<std::size_t>(atomTypeName)];
83 secondaryStructures::secondaryStructures(){
85 void secondaryStructures::initiateSearch(const std::vector<ResInfo> &ResInfoMatrix, const bool PiHelicesPreferencez){
86 SecondaryStructuresStatusMap.resize(0);
87 SecondaryStructuresStringLine.resize(0);
88 std::vector<std::size_t> temp; temp.resize(0),
89 PiHelixPreference = PiHelicesPreferencez;
90 ResInfoMap = &ResInfoMatrix;
91 SecondaryStructuresStatusMap.resize(ResInfoMatrix.size());
92 SecondaryStructuresStringLine.resize(ResInfoMatrix.size(), '~');
95 void secondaryStructures::secondaryStructuresData::setStatus(const secondaryStructureTypes secondaryStructureTypeName){
96 SecondaryStructuresStatusArray[static_cast<std::size_t>(secondaryStructureTypeName)] = true;
99 void secondaryStructures::secondaryStructuresData::setStatus(const HelixPositions helixPosition, const turnsTypes turn){
100 TurnsStatusArray[static_cast<std::size_t>(turn)] = helixPosition;
103 bool secondaryStructures::secondaryStructuresData::getStatus(const secondaryStructureTypes secondaryStructureTypeName) const{
104 return SecondaryStructuresStatusArray[static_cast<std::size_t>(secondaryStructureTypeName)];
107 bool secondaryStructures::secondaryStructuresData::isBreakPartnerWith(const secondaryStructuresData *partner) const{
108 return breakPartners[0] == partner || breakPartners[1] == partner;
111 HelixPositions secondaryStructures::secondaryStructuresData::getStatus(const turnsTypes turn) const{
112 return TurnsStatusArray[static_cast<std::size_t>(turn)];
115 void secondaryStructures::secondaryStructuresData::setBreak(secondaryStructuresData *breakPartner){
116 if (breakPartners[0] == nullptr){
117 breakPartners[0] = breakPartner;
120 breakPartners[1] = breakPartner;
122 setStatus(secondaryStructureTypes::Break);
125 bool secondaryStructures::hasHBondBetween(std::size_t Donor, std::size_t Acceptor) const{ // prob should add resi name comparison ?
126 if( (*ResInfoMap)[Donor].acceptor[0] == nullptr ||
127 (*ResInfoMap)[Donor].acceptor[1] == nullptr ||
128 (*ResInfoMap)[Acceptor].info == nullptr ){
133 // std::cout << "Comparing DONOR " << Donor << " And ACCEPTOR " << Acceptor << " :";
134 // std::cout << "DONOR's acceptor adresses are " << (*ResInfoMap)[Donor].acceptor[0] << ", " << (*ResInfoMap)[Donor].acceptor[1] << " and ACCEPTOR adress is " << (*ResInfoMap)[Acceptor].info << std::endl;
135 // std::cout << "DONOR's acceptors' nr are = " << (*ResInfoMap)[Donor].acceptor[0]->nr << ", " << (*ResInfoMap)[Donor].acceptor[1]->nr << " And ACCEPTOR's nr = " << (*ResInfoMap)[Acceptor].info->nr << std::endl;
136 // std::cout << "DONOR's acceptors' chainID are = " << (*ResInfoMap)[Donor].acceptor[0]->chainid << ", " << (*ResInfoMap)[Donor].acceptor[1]->chainid << " And ACCEPTOR's chainID = " << (*ResInfoMap)[Acceptor].info->chainid << std::endl;
138 // if( ( (*ResInfoMap)[Donor].acceptor[0] == (*ResInfoMap)[Acceptor].info && (*ResInfoMap)[Donor].acceptorEnergy[0] < HBondEnergyCutOff ) ||
139 // ( (*ResInfoMap)[Donor].acceptor[1] == (*ResInfoMap)[Acceptor].info && (*ResInfoMap)[Donor].acceptorEnergy[1] < HBondEnergyCutOff ) ){
140 // std::cout << "HBond Exist" << std::endl;
142 return ( (*ResInfoMap)[Donor].acceptor[0] == (*ResInfoMap)[Acceptor].info && (*ResInfoMap)[Donor].acceptorEnergy[0] < HBondEnergyCutOff ) ||
143 ( (*ResInfoMap)[Donor].acceptor[1] == (*ResInfoMap)[Acceptor].info && (*ResInfoMap)[Donor].acceptorEnergy[1] < HBondEnergyCutOff );
147 bool secondaryStructures::NoChainBreaksBetween(std::size_t Resi1, std::size_t Resi2) const{
149 std::size_t i{Resi1}, j{Resi2}; // From i to j → i <= j
155 flag = !(SecondaryStructuresStatusMap[i].isBreakPartnerWith(&SecondaryStructuresStatusMap[i + 1]) && SecondaryStructuresStatusMap[i + 1].isBreakPartnerWith(&SecondaryStructuresStatusMap[i]));
159 std::cout << "Patternsearch has detected a CHAINBREAK between " << Resi1 << " and " << Resi2 << std::endl;
165 bridgeTypes secondaryStructures::calculateBridge(std::size_t i, std::size_t j) const{
166 if( i < 1 || j < 1 || i + 1 >= ResInfoMap->size() || j + 1 >= ResInfoMap->size() ){
167 return bridgeTypes::None;
169 if(NoChainBreaksBetween(i - 1, i + 1) && NoChainBreaksBetween(j - 1, j + 1)){
170 if((hasHBondBetween(i + 1, j) && hasHBondBetween(j, i - 1)) || (hasHBondBetween(j + 1, i) && hasHBondBetween(i, j - 1)) ){ //possibly swap
171 return bridgeTypes::ParallelBridge;
173 else if((hasHBondBetween(i + 1, j - 1) && hasHBondBetween(j + 1, i - 1)) || (hasHBondBetween(j, i) && hasHBondBetween(i, j)) ){ //possibly swap
174 return bridgeTypes::AntiParallelBridge;
177 return bridgeTypes::None;
180 void secondaryStructures::analyzeBridgesAndLaddersPatterns(){
181 for(std::size_t i {1}; i + 4 < SecondaryStructuresStatusMap.size(); ++i){
182 for(std::size_t j {i + 3}; j + 1 < SecondaryStructuresStatusMap.size(); ++j ){
183 bridgeTypes type {calculateBridge(i, j)};
184 if (type == bridgeTypes::None){
202 // for (std::size_t i{ 1 }; i < HBondsMap.front().size() - 1; ++i){
203 // for (std::size_t j{ 1 }; j < HBondsMap.front().size() - 1; ++j){
204 // if (std::abs(static_cast<int>(i) - static_cast<int>(j)) > 2){
205 // if ((HBondsMap[i - 1][j] && HBondsMap[j][i + 1]) ||
206 // (HBondsMap[j - 1][i] && HBondsMap[i][j + 1])){
207 // Bridge[i].push_back(j);
209 // if ((HBondsMap[i][j] && HBondsMap[j][i]) ||
210 // (HBondsMap[i - 1][j + 1] && HBondsMap[j - 1][i + 1])){
211 // AntiBridge[i].push_back(j);
216 // for (std::size_t i{ 0 }; i < HBondsMap.front().size(); ++i){
217 // if ((!Bridge[i].empty() || !AntiBridge[i].empty())){
218 // setStatus(i, secondaryStructureTypes::Bulge);
221 // for (std::size_t i{ 2 }; i + 2 < HBondsMap.front().size(); ++i){
222 // for (std::size_t j { i - 2 }; j <= (i + 2); ++j){
227 // for (std::vector<bridgeTypes>::const_iterator bridge {Bridges.begin()}; bridge != Bridges.end(); ++bridge ){
228 // if (!getBridge(*bridge)[i].empty() || !getBridge(*bridge)[j].empty()){
229 // for (std::size_t i_resi{ 0 }; i_resi < getBridge(*bridge)[i].size(); ++i_resi){
230 // for (std::size_t j_resi{ 0 }; j_resi < getBridge(*bridge)[j].size(); ++j_resi){
231 // if (abs(static_cast<int>(getBridge(*bridge)[i][i_resi])
232 // - static_cast<int>(getBridge(*bridge)[j][j_resi]))
233 // && (abs(static_cast<int>(getBridge(*bridge)[i][i_resi])
234 // - static_cast<int>(getBridge(*bridge)[j][j_resi]))
237 // for (std::size_t k{ 0 }; k <= i - j; ++k){
238 // setStatus(i + k, secondaryStructureTypes::Ladder);
242 // for (std::size_t k{ 0 }; k <= j - i; ++k){
243 // setStatus(i + k, secondaryStructureTypes::Ladder);
256 void secondaryStructures::analyzeTurnsAndHelicesPatterns(){
257 for(const turnsTypes &i : { turnsTypes::Turn_4, turnsTypes::Turn_3, turnsTypes::Turn_5 }){
258 std::cout << "Testing Helix_" << static_cast<std::size_t>(i) + 3 << std::endl;
259 std::size_t stride {static_cast<std::size_t>(i) + 3};
260 for(std::size_t j {0}; j + static_cast<std::size_t>(i) < SecondaryStructuresStatusMap.size(); ++j){
261 std::cout << "Testing " << j << " and " << j + stride << std::endl;
262 if ( hasHBondBetween(j, j + (static_cast<std::size_t>(i))) && NoChainBreaksBetween(j, j + stride) ){
263 std::cout << j << " and " << j + stride << " has hbond!" << std::endl;
264 SecondaryStructuresStatusMap[j + static_cast<std::size_t>(i)].setStatus(HelixPositions::End, i);
266 for (std::size_t k {1}; k < (static_cast<std::size_t>(i)); ++k){
267 if( SecondaryStructuresStatusMap[j + k].getStatus(i) == HelixPositions::None ){
268 SecondaryStructuresStatusMap[j + k].setStatus(HelixPositions::Middle, i);
273 if( SecondaryStructuresStatusMap[j].getStatus(i) == HelixPositions::End ){
274 SecondaryStructuresStatusMap[j].setStatus(HelixPositions::Start_AND_End, i);
277 SecondaryStructuresStatusMap[j].setStatus(HelixPositions::Start, i);
283 for(const turnsTypes &i : { turnsTypes::Turn_4, turnsTypes::Turn_3, turnsTypes::Turn_5 }){
284 std::size_t stride {static_cast<std::size_t>(i) + 3};
285 for(std::size_t j {1}; j + stride < SecondaryStructuresStatusMap.size(); ++j){
286 if ( (SecondaryStructuresStatusMap[j - 1].getStatus(i) == HelixPositions::Start || SecondaryStructuresStatusMap[j - 1].getStatus(i) == HelixPositions::Start_AND_End ) &&
287 (SecondaryStructuresStatusMap[j].getStatus(i) == HelixPositions::Start || SecondaryStructuresStatusMap[j].getStatus(i) == HelixPositions::Start_AND_End ) ){
289 secondaryStructureTypes Helix;
291 case turnsTypes::Turn_3:
292 for (std::size_t k {0}; empty && k < stride; ++k){
293 empty = SecondaryStructuresStatusMap[j + k].getStatus(secondaryStructureTypes::Loop ) || SecondaryStructuresStatusMap[j + k].getStatus(secondaryStructureTypes::Helix_3);
295 Helix = secondaryStructureTypes::Helix_3;
297 case turnsTypes::Turn_5:
298 for (std::size_t k {0}; empty && k < stride; ++k){
299 empty = SecondaryStructuresStatusMap[j + k].getStatus(secondaryStructureTypes::Loop ) || SecondaryStructuresStatusMap[j + k].getStatus(secondaryStructureTypes::Helix_5) || (PiHelixPreference && SecondaryStructuresStatusMap[j + k].getStatus(secondaryStructureTypes::Helix_5));
301 Helix = secondaryStructureTypes::Helix_4;
304 Helix = secondaryStructureTypes::Helix_4;
307 std::cout << j << " is HELIX" << std::endl;
309 for(std::size_t k {0}; k < (static_cast<std::size_t>(i)); ++k ){
310 SecondaryStructuresStatusMap[j + k].setStatus(Helix);
317 for(std::size_t i {1}; i + 1 < SecondaryStructuresStatusMap.size(); ++i){
318 if (SecondaryStructuresStatusMap[i].getStatus(secondaryStructureTypes::Loop)){
320 for(const turnsTypes &j : {turnsTypes::Turn_3, turnsTypes::Turn_4, turnsTypes::Turn_5}){
321 std::size_t stride {static_cast<std::size_t>(i) + 3};
322 for(std::size_t k {1}; k < stride; ++k){
323 isTurn = (i >= k) && (SecondaryStructuresStatusMap[i - k].getStatus(j) == HelixPositions::Start || SecondaryStructuresStatusMap[i - k].getStatus(j) == HelixPositions::Start_AND_End) ;
328 SecondaryStructuresStatusMap[i].setStatus(secondaryStructureTypes::Turn);
330 else if (SecondaryStructuresStatusMap[i].getStatus(secondaryStructureTypes::Bend)){
331 SecondaryStructuresStatusMap[i].setStatus(secondaryStructureTypes::Bend);
338 void secondaryStructures::analyzePPHelicesPatterns(){}
340 std::string secondaryStructures::patternSearch(){
343 // analyzeBridgesAndLaddersPatterns();
344 analyzeTurnsAndHelicesPatterns();
345 // analyzePPHelicesPatterns();
346 NoChainBreaksBetween(80, 75);
348 // for(std::size_t i {0}; i < ResInfoMap->size(); ++i){
349 // std::cout << (*ResInfoMap)[i].info->nr << " " << *((*ResInfoMap)[i].info->name) << std::endl;
352 // std::cout.precision(5);
353 // for(std::size_t i{0}; i < ResInfoMap->size(); ++i, std::cout << std::endl << std::endl){
354 // std::cout << (*ResInfoMap)[i].info->nr << " " << *((*ResInfoMap)[i].info->name) ;
355 // if ( (*ResInfoMap)[i].donor[0] != nullptr ){
356 // std::cout << " has donor[0] = " << (*ResInfoMap)[i].donor[0]->nr << " " << *((*ResInfoMap)[i].donor[0]->name) << " with E = " << (*ResInfoMap)[i].donorEnergy[0] << " and" ;
359 // std::cout << " has no donor[0] and" ;
361 // if ( (*ResInfoMap)[i].acceptor[0] != nullptr ){
362 // std::cout << " has acceptor[0] = " << (*ResInfoMap)[i].acceptor[0]->nr << " " << *((*ResInfoMap)[i].acceptor[0]->name) << " with E = " << (*ResInfoMap)[i].acceptorEnergy[0] ;
365 // std::cout << " has no acceptor[0]" ;
367 // std::cout << std::endl << "Also, " << (*ResInfoMap)[i].info->nr << " " << *((*ResInfoMap)[i].info->name);
368 // if ( (*ResInfoMap)[i].donor[1] != nullptr ){
369 // std::cout << " has donor[1] = " << (*ResInfoMap)[i].donor[1]->nr << " " << *((*ResInfoMap)[i].donor[1]->name) << " with E = " << (*ResInfoMap)[i].donorEnergy[1] << " and" ;
372 // std::cout << " has no donor[1] and" ;
374 // if ( (*ResInfoMap)[i].acceptor[1] != nullptr ){
375 // std::cout << " has acceptor[1] = " << (*ResInfoMap)[i].acceptor[1]->nr << " " << *((*ResInfoMap)[i].acceptor[1]->name) << " with E = " << (*ResInfoMap)[i].acceptorEnergy[1] ;
378 // std::cout << " has no acceptor[1]" ;
384 for(std::size_t i {static_cast<std::size_t>(secondaryStructureTypes::Bend)}; i != static_cast<std::size_t>(secondaryStructureTypes::Count); ++i){
385 for(std::size_t j {0}; j < SecondaryStructuresStatusMap.size(); ++j){
386 if (SecondaryStructuresStatusMap[j].getStatus(static_cast<secondaryStructureTypes>(i))){
387 SecondaryStructuresStringLine[j] = secondaryStructureTypeNames[i] ;
394 if(SecondaryStructuresStatusMap.size() > 1){
395 for(std::size_t i {0}, linefactor{1}; i + 1 < SecondaryStructuresStatusMap.size(); ++i){
396 if( SecondaryStructuresStatusMap[i].getStatus(secondaryStructureTypes::Break) && SecondaryStructuresStatusMap[i + 1].getStatus(secondaryStructureTypes::Break) ){
397 if(SecondaryStructuresStatusMap[i].isBreakPartnerWith(&SecondaryStructuresStatusMap[i + 1]) && SecondaryStructuresStatusMap[i + 1].isBreakPartnerWith(&SecondaryStructuresStatusMap[i]) ){
398 SecondaryStructuresStringLine.insert(SecondaryStructuresStringLine.begin() + i + linefactor, secondaryStructureTypeNames[secondaryStructureTypes::Break]);
404 return SecondaryStructuresStringLine;
407 secondaryStructures::~secondaryStructures(){
408 SecondaryStructuresStatusMap.resize(0);
409 SecondaryStructuresStringLine.resize(0);
412 DsspTool::DsspStorage::DsspStorage(){
413 storaged_data.resize(0);
416 void DsspTool::DsspStorage::clearAll(){
417 storaged_data.resize(0);
420 std::mutex DsspTool::DsspStorage::mx;
422 void DsspTool::DsspStorage::storageData(int frnr, std::string data){
423 std::lock_guard<std::mutex> guardian(mx);
424 std::pair<int, std::string> datapair(frnr, data);
425 storaged_data.push_back(datapair);
428 std::vector<std::pair<int, std::string>> DsspTool::DsspStorage::returnData(){
429 std::sort(storaged_data.begin(), storaged_data.end());
430 return storaged_data;
433 void alternateNeighborhoodSearch::setCutoff(const real &cutoff_init){
434 cutoff = cutoff_init;
437 void alternateNeighborhoodSearch::FixAtomCoordinates(real &coordinate, const real vector_length){
438 while (coordinate < 0) {
439 coordinate += vector_length;
441 while (coordinate >= vector_length) {
442 coordinate -= vector_length;
446 void alternateNeighborhoodSearch::ReCalculatePBC(int &x, const int &x_max) {
455 void alternateNeighborhoodSearch::GetMiniBoxesMap(const t_trxframe &fr, const std::vector<ResInfo> &IndexMap){
456 rvec coordinates, box_vector_length;
457 num_of_miniboxes.resize(0);
458 num_of_miniboxes.resize(3);
459 for (std::size_t i{XX}; i <= ZZ; ++i) {
460 box_vector_length[i] = std::sqrt(
461 std::pow(fr.box[i][XX], 2) + std::pow(fr.box[i][YY], 2) + std::pow(fr.box[i][ZZ], 2));
462 num_of_miniboxes[i] = std::floor((box_vector_length[i] / cutoff)) + 1;
464 MiniBoxesMap.resize(0);
465 MiniBoxesReverseMap.resize(0);
466 MiniBoxesMap.resize(num_of_miniboxes[XX], std::vector<std::vector<std::vector<std::size_t> > >(
467 num_of_miniboxes[YY], std::vector<std::vector<std::size_t> >(
468 num_of_miniboxes[ZZ], std::vector<std::size_t>(
470 MiniBoxesReverseMap.resize(IndexMap.size(), std::vector<std::size_t>(3));
471 for (std::vector<ResInfo>::const_iterator i {IndexMap.begin()}; i != IndexMap.end(); ++i) {
472 for (std::size_t j{XX}; j <= ZZ; ++j) {
473 coordinates[j] = fr.x[i->getIndex(backboneAtomTypes::AtomCA)][j];
474 FixAtomCoordinates(coordinates[j], box_vector_length[j]);
476 MiniBoxesMap[std::floor(coordinates[XX] / cutoff)][std::floor(coordinates[YY] / cutoff)][std::floor(
477 coordinates[ZZ] / cutoff)].push_back(i - IndexMap.begin());
478 for (std::size_t j{XX}; j <= ZZ; ++j){
479 MiniBoxesReverseMap[i - IndexMap.begin()][j] = std::floor(coordinates[j] / cutoff);
484 void alternateNeighborhoodSearch::AltPairSearch(const t_trxframe &fr, const std::vector<ResInfo> &IndexMap){
485 GetMiniBoxesMap(fr, IndexMap);
486 MiniBoxSize[XX] = MiniBoxesMap.size();
487 MiniBoxSize[YY] = MiniBoxesMap.front().size();
488 MiniBoxSize[ZZ] = MiniBoxesMap.front().front().size();
490 PairMap.resize(IndexMap.size(), std::vector<bool>(IndexMap.size(), false));
491 ResiI = PairMap.begin();
492 ResiJ = ResiI->begin();
494 for (std::vector<ResInfo>::const_iterator i = IndexMap.begin(); i != IndexMap.end(); ++i){
495 for (offset[XX] = -1; offset[XX] <= 1; ++offset[XX]) {
496 for (offset[YY] = -1; offset[YY] <= 1; ++offset[YY]) {
497 for (offset[ZZ] = -1; offset[ZZ] <= 1; ++offset[ZZ]) {
498 for (std::size_t k{XX}; k <= ZZ; ++k) {
499 fixBox[k] = MiniBoxesReverseMap[i - IndexMap.begin()][k] + offset[k];
500 ReCalculatePBC(fixBox[k], MiniBoxSize[k]);
502 for (std::size_t j{0}; j < MiniBoxesMap[fixBox[XX]][fixBox[YY]][fixBox[ZZ]].size(); ++j) {
503 if ( (i - IndexMap.begin()) != MiniBoxesMap[fixBox[XX]][fixBox[YY]][fixBox[ZZ]][j]){
504 PairMap[i - IndexMap.begin()][MiniBoxesMap[fixBox[XX]][fixBox[YY]][fixBox[ZZ]][j]] = true;
505 PairMap[MiniBoxesMap[fixBox[XX]][fixBox[YY]][fixBox[ZZ]][j]][i - IndexMap.begin()] = true;
514 bool alternateNeighborhoodSearch::findNextPair(){
520 for(; ResiI != PairMap.end(); ++ResiI, ResiJ = ResiI->begin() ){
521 for(; ResiJ != ResiI->end(); ++ResiJ){
523 resiIpos = ResiI - PairMap.begin();
524 resiJpos = ResiJ - ResiI->begin();
525 if ( ResiJ != ResiI->end() ){
528 else if (ResiI != PairMap.end()) {
530 ResiJ = ResiI->begin();
543 std::size_t alternateNeighborhoodSearch::getResiI() const {
547 std::size_t alternateNeighborhoodSearch::getResiJ() const {
552 DsspTool::DsspStorage DsspTool::Storage;
554 DsspTool::DsspTool(){
557 void DsspTool::calculateBends(const t_trxframe &fr, const t_pbc *pbc)
559 const float benddegree{ 70.0 }, maxdist{ 2.5 };
560 float degree{ 0 }, vdist{ 0 }, vprod{ 0 };
561 gmx::RVec a{ 0, 0, 0 }, b{ 0, 0, 0 };
562 for (std::size_t i{ 0 }; i + 1 < IndexMap.size(); ++i)
564 if (CalculateAtomicDistances(static_cast<int>(IndexMap[i].getIndex(backboneAtomTypes::AtomC)),
565 static_cast<int>(IndexMap[i + 1].getIndex(backboneAtomTypes::AtomN)),
570 PatternSearch.SecondaryStructuresStatusMap[i].setBreak(&PatternSearch.SecondaryStructuresStatusMap[i + 1]);
571 PatternSearch.SecondaryStructuresStatusMap[i + 1].setBreak(&PatternSearch.SecondaryStructuresStatusMap[i]);
573 // std::cout << "Break between " << i + 1 << " and " << i + 2 << std::endl;
576 for (std::size_t i{ 2 }; i + 2 < IndexMap.size() ; ++i)
578 if (PatternSearch.SecondaryStructuresStatusMap[i - 2].getStatus(secondaryStructureTypes::Break) ||
579 PatternSearch.SecondaryStructuresStatusMap[i - 1].getStatus(secondaryStructureTypes::Break) ||
580 PatternSearch.SecondaryStructuresStatusMap[i].getStatus(secondaryStructureTypes::Break) ||
581 PatternSearch.SecondaryStructuresStatusMap[i + 1].getStatus(secondaryStructureTypes::Break)
586 for (int j{ 0 }; j < 3; ++j)
588 a[j] = fr.x[IndexMap[i].getIndex(backboneAtomTypes::AtomCA)][j]
589 - fr.x[IndexMap[i - 2].getIndex(backboneAtomTypes::AtomCA)][j];
590 b[j] = fr.x[IndexMap[i + 2].getIndex(backboneAtomTypes::AtomCA)][j]
591 - fr.x[IndexMap[i].getIndex(backboneAtomTypes::AtomCA)][j];
593 vdist = (a[0] * b[0]) + (a[1] * b[1]) + (a[2] * b[2]);
594 vprod = CalculateAtomicDistances(IndexMap[i - 2].getIndex(backboneAtomTypes::AtomCA),
595 IndexMap[i].getIndex(backboneAtomTypes::AtomCA),
598 * gmx::c_angstrom / gmx::c_nano
599 * CalculateAtomicDistances(IndexMap[i].getIndex(backboneAtomTypes::AtomCA),
600 IndexMap[i + 2].getIndex(backboneAtomTypes::AtomCA),
603 * gmx::c_angstrom / gmx::c_nano;
604 degree = std::acos(vdist / vprod) * gmx::c_rad2Deg;
605 if (degree > benddegree)
607 PatternSearch.SecondaryStructuresStatusMap[i].setStatus(secondaryStructureTypes::Bend);
612 void DsspTool::calculateHBondEnergy(ResInfo& Donor,
614 const t_trxframe& fr,
618 * DSSP uses eq from dssp 2.x
619 * kCouplingConstant = 27.888, // = 332 * 0.42 * 0.2
620 * E = k * (1/rON + 1/rCH - 1/rOH - 1/rCN) where CO comes from one AA and NH from another
625 const float kCouplingConstant = 27.888;
626 const float minimalAtomDistance{ 0.5 },
628 float HbondEnergy{ 0 };
629 float distanceNO{ 0 }, distanceHC{ 0 }, distanceHO{ 0 }, distanceNC{ 0 };
631 if( !(Donor.is_proline) ){
632 if (Acceptor.getIndex(backboneAtomTypes::AtomC) && Acceptor.getIndex(backboneAtomTypes::AtomO)
633 && Donor.getIndex(backboneAtomTypes::AtomN) && ( Donor.getIndex(backboneAtomTypes::AtomH) || (initParams.addHydrogens) ) ) // Kinda ew
636 distanceNO = CalculateAtomicDistances(
637 Donor.getIndex(backboneAtomTypes::AtomN), Acceptor.getIndex(backboneAtomTypes::AtomO), fr, pbc);
638 distanceNC = CalculateAtomicDistances(
639 Donor.getIndex(backboneAtomTypes::AtomN), Acceptor.getIndex(backboneAtomTypes::AtomC), fr, pbc);
641 if (initParams.addHydrogens){
642 if (Donor.prevResi != nullptr && Donor.prevResi->getIndex(backboneAtomTypes::AtomC) && Donor.prevResi->getIndex(backboneAtomTypes::AtomO)){
643 // std::cout << "On donor " << Donor.info->nr << *(Donor.info->name) << std::endl;
644 // std::cout << "Prev donor is " << Donor.prevResi->info->nr << *(Donor.prevResi->info->name) << std::endl;
645 // std::cout << "Prev C index is " << Donor.prevResi->getIndex(backboneAtomTypes::AtomC) << std::endl;
646 // std::cout << "Prev O index is " << Donor.prevResi->getIndex(backboneAtomTypes::AtomO) << std::endl;
648 float prevCODist {CalculateAtomicDistances(Donor.prevResi->getIndex(backboneAtomTypes::AtomC), Donor.prevResi->getIndex(backboneAtomTypes::AtomO), fr, pbc)};
649 for (int i{XX}; i <= ZZ; ++i){
650 float prevCO = fr.x[Donor.prevResi->getIndex(backboneAtomTypes::AtomC)][i] - fr.x[Donor.prevResi->getIndex(backboneAtomTypes::AtomO)][i];
651 atomH[i] = prevCO / prevCODist;
653 distanceHO = CalculateAtomicDistances(atomH, Acceptor.getIndex(backboneAtomTypes::AtomO), fr, pbc);
654 distanceHC = CalculateAtomicDistances(atomH, Acceptor.getIndex(backboneAtomTypes::AtomC), fr, pbc);
657 distanceHO = distanceNO;
658 distanceHC = distanceNC;
662 distanceHO = CalculateAtomicDistances(
663 Donor.getIndex(backboneAtomTypes::AtomH), Acceptor.getIndex(backboneAtomTypes::AtomO), fr, pbc);
664 distanceHC = CalculateAtomicDistances(
665 Donor.getIndex(backboneAtomTypes::AtomH), Acceptor.getIndex(backboneAtomTypes::AtomC), fr, pbc);
668 if (CalculateAtomicDistances(
669 Donor.getIndex(backboneAtomTypes::AtomCA), Acceptor.getIndex(backboneAtomTypes::AtomCA), fr, pbc)
672 if ((distanceNO < minimalAtomDistance) || (distanceHC < minimalAtomDistance)
673 || (distanceHO < minimalAtomDistance) || (distanceNC < minimalAtomDistance))
675 HbondEnergy = minEnergy;
677 // std::cout << "HBOND exists cause of distance" << std::endl;
683 * ((1 / distanceNO) + (1 / distanceHC) - (1 / distanceHO) - (1 / distanceNC));
684 HbondEnergy = std::round(HbondEnergy * 1000) / 1000;
686 // std::cout.precision(5);
687 // std::cout << "Calculated ENERGY = " << HbondEnergy << std::endl;
689 // if ( HbondEnergy == 0){
690 // std::cout << "Calculated ENERGY = " << HbondEnergy << " For donor " << Donor.info->nr << " and acceptor " << Acceptor.info->nr << std::endl;
693 if ( HbondEnergy < minEnergy ){
694 HbondEnergy = minEnergy;
701 // std::cerr << "PRO DETECTED! THIS IS RESI № " << Donor.info->nr << std::endl; //IT WORKS JUST FINE
704 if (HbondEnergy < Donor.acceptorEnergy[0]){
705 Donor.acceptor[1] = Donor.acceptor[0];
706 Donor.acceptor[0] = Acceptor.info;
707 Donor.acceptorEnergy[0] = HbondEnergy;
709 else if (HbondEnergy < Donor.acceptorEnergy[1]){
710 Donor.acceptor[1] = Acceptor.info;
711 Donor.acceptorEnergy[1] = HbondEnergy;
714 if (HbondEnergy < Acceptor.donorEnergy[0]){
715 Acceptor.donor[1] = Acceptor.donor[0];
716 Acceptor.donor[0] = Donor.info;
717 Acceptor.donorEnergy[0] = HbondEnergy;
719 else if (HbondEnergy < Acceptor.donorEnergy[1]){
720 Acceptor.donor[1] = Donor.info;
721 Acceptor.donorEnergy[1] = HbondEnergy;
726 /* Calculate Distance From B to A */
727 float DsspTool::CalculateAtomicDistances(const int &A, const int &B, const t_trxframe &fr, const t_pbc *pbc)
729 gmx::RVec r{ 0, 0, 0 };
730 pbc_dx(pbc, fr.x[A], fr.x[B], r.as_vec());
731 // return r.norm(); // TODO * gmx::c_nm2A; if not PDB, i guess????
732 return r.norm() * gmx::c_nm2A; // TODO * gmx::c_nm2A; if not PDB, i guess????
735 /* Calculate Distance From B to A, where A is only fake coordinates */
736 float DsspTool::CalculateAtomicDistances(const rvec &A, const int &B, const t_trxframe &fr, const t_pbc *pbc)
738 gmx::RVec r{ 0, 0, 0 };
739 pbc_dx(pbc, A, fr.x[B], r.as_vec());
740 // return r.norm(); // TODO * gmx::c_nm2A; if not PDB, i guess????
741 return r.norm() * gmx::c_nm2A; // TODO * gmx::c_nm2A; if not PDB, i guess????
744 void DsspTool::initAnalysis(/*const TrajectoryAnalysisSettings &settings,*/const TopologyInformation& top, const initParameters &initParamz)
747 std::cout << "Init started" << std::endl;
748 initParams = initParamz;
749 ResInfo _backboneAtoms;
752 int resicompare{ top.atoms()->atom[static_cast<std::size_t>(*(initParams.sel_.atomIndices().begin()))].resind };
754 IndexMap.push_back(_backboneAtoms);
755 IndexMap[i].info = &(top.atoms()->resinfo[resicompare]);
756 proLINE = *(IndexMap[i].info->name);
757 if( proLINE.compare("PRO") == 0 ){
758 IndexMap[i].is_proline = true;
761 for (gmx::ArrayRef<const int>::iterator ai{ initParams.sel_.atomIndices().begin() }; (ai != initParams.sel_.atomIndices().end()); ++ai){
762 if (resicompare != top.atoms()->atom[static_cast<std::size_t>(*ai)].resind)
765 resicompare = top.atoms()->atom[static_cast<std::size_t>(*ai)].resind;
766 IndexMap.emplace_back(_backboneAtoms);
767 IndexMap[i].info = &(top.atoms()->resinfo[resicompare]);
768 proLINE = *(IndexMap[i].info->name);
769 if( proLINE.compare("PRO") == 0 ){
770 IndexMap[i].is_proline = true;
774 std::string atomname(*(top.atoms()->atomname[static_cast<std::size_t>(*ai)]));
775 if (atomname == backboneAtomTypeNames[backboneAtomTypes::AtomCA])
777 IndexMap[i]._backboneIndices[static_cast<std::size_t>(backboneAtomTypes::AtomCA)] = *ai;
779 else if (atomname == backboneAtomTypeNames[backboneAtomTypes::AtomC])
781 IndexMap[i]._backboneIndices[static_cast<std::size_t>(backboneAtomTypes::AtomC)] = *ai;
783 else if (atomname == backboneAtomTypeNames[backboneAtomTypes::AtomO])
785 IndexMap[i]._backboneIndices[static_cast<std::size_t>(backboneAtomTypes::AtomO)] = *ai;
787 else if (atomname == backboneAtomTypeNames[backboneAtomTypes::AtomN])
789 IndexMap[i]._backboneIndices[static_cast<std::size_t>(backboneAtomTypes::AtomN)] = *ai;
791 else if (atomname == backboneAtomTypeNames[backboneAtomTypes::AtomH] && initParamz.addHydrogens == false) // Юзать водород в структуре
793 IndexMap[i]._backboneIndices[static_cast<std::size_t>(backboneAtomTypes::AtomH)] = *ai;
796 // if( atomname == backboneAtomTypeNames[backboneAtomTypes::AtomCA] || atomname == backboneAtomTypeNames[backboneAtomTypes::AtomC] || atomname == backboneAtomTypeNames[backboneAtomTypes::AtomO]
797 // || atomname == backboneAtomTypeNames[backboneAtomTypes::AtomN] || atomname == backboneAtomTypeNames[backboneAtomTypes::AtomH]){
798 // std::cout << "Atom " << atomname << " №" << *ai << " From Resi " << *(top.atoms()->resinfo[i].name) << " №" << resicompare << std::endl;
802 for (std::size_t j {1}; j < IndexMap.size(); ++j){
803 IndexMap[j].prevResi = &(IndexMap[j - 1]);
805 IndexMap[j - 1].nextResi = &(IndexMap[j]);
807 // std::cout << "Resi " << IndexMap[i].info->nr << *(IndexMap[i].info->name) << std::endl;
808 // std::cout << "Prev resi is " << IndexMap[i].prevResi->info->nr << *(IndexMap[i].prevResi->info->name) << std::endl;
809 // std::cout << "Prev resi's next resi is " << IndexMap[i - 1].nextResi->info->nr << *(IndexMap[i - 1].nextResi->info->name) << std::endl;
810 // std::cout << IndexMap[j].prevResi->info->nr;
811 // std::cout << *(IndexMap[j].prevResi->info->name) ;
812 // std::cout << " have CA = " << IndexMap[j].prevResi->getIndex(backboneAtomTypes::AtomCA) ;
813 // std::cout << " C = " << IndexMap[j].prevResi->getIndex(backboneAtomTypes::AtomC);
814 // std::cout << " O = " << IndexMap[j].prevResi->getIndex(backboneAtomTypes::AtomO);
815 // std::cout << " N = " << IndexMap[j].prevResi->getIndex(backboneAtomTypes::AtomN);
816 // std::cout << " H = " << IndexMap[j].prevResi->getIndex(backboneAtomTypes::AtomH) << std::endl;
822 void DsspTool::analyzeFrame(int frnr, const t_trxframe &fr, t_pbc *pbc)
825 switch(initParams.NBS){
826 case (NBSearchMethod::Classique): {
828 // store positions of CA atoms to use them for nbSearch
829 std::vector<gmx::RVec> positionsCA_;
830 for (std::size_t i{ 0 }; i < IndexMap.size(); ++i)
832 positionsCA_.emplace_back(fr.x[IndexMap[i].getIndex(backboneAtomTypes::AtomCA)]);
835 AnalysisNeighborhood nb_;
836 nb_.setCutoff(initParams.cutoff_);
837 AnalysisNeighborhoodPositions nbPos_(positionsCA_);
838 gmx::AnalysisNeighborhoodSearch start = nb_.initSearch(pbc, nbPos_);
839 gmx::AnalysisNeighborhoodPairSearch pairSearch = start.startPairSearch(nbPos_);
840 gmx::AnalysisNeighborhoodPair pair;
841 while (pairSearch.findNextPair(&pair))
843 if(CalculateAtomicDistances(
844 IndexMap[pair.refIndex()].getIndex(backboneAtomTypes::AtomCA), IndexMap[pair.testIndex()].getIndex(backboneAtomTypes::AtomCA), fr, pbc)
845 < minimalCAdistance){
846 calculateHBondEnergy(IndexMap[pair.refIndex()], IndexMap[pair.testIndex()], fr, pbc);
847 if (IndexMap[pair.testIndex()].info != IndexMap[pair.refIndex() + 1].info){
848 calculateHBondEnergy(IndexMap[pair.testIndex()], IndexMap[pair.refIndex()], fr, pbc);
855 case (NBSearchMethod::Experimental): { // TODO FIX
857 alternateNeighborhoodSearch as_;
859 as_.setCutoff(initParams.cutoff_);
861 as_.AltPairSearch(fr, IndexMap);
863 while (as_.findNextPair()){
864 if(CalculateAtomicDistances(
865 IndexMap[as_.getResiI()].getIndex(backboneAtomTypes::AtomCA), IndexMap[as_.getResiJ()].getIndex(backboneAtomTypes::AtomCA), fr, pbc)
866 < minimalCAdistance){
867 calculateHBondEnergy(IndexMap[as_.getResiI()], IndexMap[as_.getResiJ()], fr, pbc);
868 if (IndexMap[as_.getResiJ()].info != IndexMap[as_.getResiI() + 1].info){
869 calculateHBondEnergy(IndexMap[as_.getResiJ()], IndexMap[as_.getResiI()], fr, pbc);
878 for(std::vector<ResInfo>::iterator Donor {IndexMap.begin()}; Donor != IndexMap.end() ; ++Donor){
879 for(std::vector<ResInfo>::iterator Acceptor {Donor + 1} ; Acceptor != IndexMap.end() ; ++Acceptor){
880 if(CalculateAtomicDistances(
881 Donor->getIndex(backboneAtomTypes::AtomCA), Acceptor->getIndex(backboneAtomTypes::AtomCA), fr, pbc)
882 < minimalCAdistance){
883 calculateHBondEnergy(*Donor, *Acceptor, fr, pbc);
884 if (Acceptor != Donor + 1){
885 calculateHBondEnergy(*Acceptor, *Donor, fr, pbc);
895 // for(std::size_t i {0}; i < IndexMap.size(); ++i){
896 // std::cout << IndexMap[i].info->nr << " " << *(IndexMap[i].info->name) << std::endl;
899 PatternSearch.initiateSearch(IndexMap, initParams.PPHelices);
900 calculateBends(fr, pbc);
901 Storage.storageData(frnr, PatternSearch.patternSearch());
905 std::vector<std::pair<int, std::string>> DsspTool::getData(){
906 return Storage.returnData();
909 } // namespace analysismodules