author_facet Hu, Guodong
Yu, Xiu
Bian, Yunqiang
Cao, Zanxia
Xu, Shicai
Zhao, Liling
Ji, Baohua
Wang, Wei
Wang, Jihua
Hu, Guodong
Yu, Xiu
Bian, Yunqiang
Cao, Zanxia
Xu, Shicai
Zhao, Liling
Ji, Baohua
Wang, Wei
Wang, Jihua
author Hu, Guodong
Yu, Xiu
Bian, Yunqiang
Cao, Zanxia
Xu, Shicai
Zhao, Liling
Ji, Baohua
Wang, Wei
Wang, Jihua
spellingShingle Hu, Guodong
Yu, Xiu
Bian, Yunqiang
Cao, Zanxia
Xu, Shicai
Zhao, Liling
Ji, Baohua
Wang, Wei
Wang, Jihua
International Journal of Molecular Sciences
Atomistic Analysis of ToxN and ToxI Complex Unbinding Mechanism
Inorganic Chemistry
Organic Chemistry
Physical and Theoretical Chemistry
Computer Science Applications
Spectroscopy
Molecular Biology
General Medicine
Catalysis
author_sort hu, guodong
spelling Hu, Guodong Yu, Xiu Bian, Yunqiang Cao, Zanxia Xu, Shicai Zhao, Liling Ji, Baohua Wang, Wei Wang, Jihua 1422-0067 MDPI AG Inorganic Chemistry Organic Chemistry Physical and Theoretical Chemistry Computer Science Applications Spectroscopy Molecular Biology General Medicine Catalysis http://dx.doi.org/10.3390/ijms19113524 <jats:p>ToxIN is a triangular structure formed by three protein toxins (ToxNs) and three specific noncoding RNA antitoxins (ToxIs). To respond to stimuli, ToxI is preferentially degraded, releasing the ToxN. Thus, the dynamic character is essential in the normal function interactions between ToxN and ToxI. Here, equilibrated molecular dynamics (MD) simulations were performed to study the stability of ToxN and ToxI. The results indicate that ToxI adjusts the conformation of 3′ and 5′ termini to bind to ToxN. Steered molecular dynamics (SMD) simulations combined with the recently developed thermodynamic integration in 3nD (TI3nD) method were carried out to investigate ToxN unbinding from the ToxIN complex. The potentials of mean force (PMFs) and atomistic pictures suggest the unbinding mechanism as follows: (1) dissociation of the 5′ terminus from ToxN, (2) missing the interactions involved in the 3′ terminus of ToxI without three nucleotides (G31, A32, and A33), (3) starting to unfold for ToxI, (4) leaving the binding package of ToxN for three nucleotides of ToxI, (5) unfolding of ToxI. This work provides information on the structure-function relationship at the atomistic level, which is helpful for designing new potent antibacterial drugs in the future.</jats:p> Atomistic Analysis of ToxN and ToxI Complex Unbinding Mechanism International Journal of Molecular Sciences
doi_str_mv 10.3390/ijms19113524
facet_avail Online
Free
finc_class_facet Chemie und Pharmazie
Physik
Informatik
Biologie
format ElectronicArticle
fullrecord blob:ai-49-aHR0cDovL2R4LmRvaS5vcmcvMTAuMzM5MC9pam1zMTkxMTM1MjQ
id ai-49-aHR0cDovL2R4LmRvaS5vcmcvMTAuMzM5MC9pam1zMTkxMTM1MjQ
institution DE-D275
DE-Bn3
DE-Brt1
DE-Zwi2
DE-D161
DE-Gla1
DE-Zi4
DE-15
DE-Pl11
DE-Rs1
DE-105
DE-14
DE-Ch1
DE-L229
imprint MDPI AG, 2018
imprint_str_mv MDPI AG, 2018
issn 1422-0067
issn_str_mv 1422-0067
language English
mega_collection MDPI AG (CrossRef)
match_str hu2018atomisticanalysisoftoxnandtoxicomplexunbindingmechanism
publishDateSort 2018
publisher MDPI AG
recordtype ai
record_format ai
series International Journal of Molecular Sciences
source_id 49
title Atomistic Analysis of ToxN and ToxI Complex Unbinding Mechanism
title_unstemmed Atomistic Analysis of ToxN and ToxI Complex Unbinding Mechanism
title_full Atomistic Analysis of ToxN and ToxI Complex Unbinding Mechanism
title_fullStr Atomistic Analysis of ToxN and ToxI Complex Unbinding Mechanism
title_full_unstemmed Atomistic Analysis of ToxN and ToxI Complex Unbinding Mechanism
title_short Atomistic Analysis of ToxN and ToxI Complex Unbinding Mechanism
title_sort atomistic analysis of toxn and toxi complex unbinding mechanism
topic Inorganic Chemistry
Organic Chemistry
Physical and Theoretical Chemistry
Computer Science Applications
Spectroscopy
Molecular Biology
General Medicine
Catalysis
url http://dx.doi.org/10.3390/ijms19113524
publishDate 2018
physical 3524
description <jats:p>ToxIN is a triangular structure formed by three protein toxins (ToxNs) and three specific noncoding RNA antitoxins (ToxIs). To respond to stimuli, ToxI is preferentially degraded, releasing the ToxN. Thus, the dynamic character is essential in the normal function interactions between ToxN and ToxI. Here, equilibrated molecular dynamics (MD) simulations were performed to study the stability of ToxN and ToxI. The results indicate that ToxI adjusts the conformation of 3′ and 5′ termini to bind to ToxN. Steered molecular dynamics (SMD) simulations combined with the recently developed thermodynamic integration in 3nD (TI3nD) method were carried out to investigate ToxN unbinding from the ToxIN complex. The potentials of mean force (PMFs) and atomistic pictures suggest the unbinding mechanism as follows: (1) dissociation of the 5′ terminus from ToxN, (2) missing the interactions involved in the 3′ terminus of ToxI without three nucleotides (G31, A32, and A33), (3) starting to unfold for ToxI, (4) leaving the binding package of ToxN for three nucleotides of ToxI, (5) unfolding of ToxI. This work provides information on the structure-function relationship at the atomistic level, which is helpful for designing new potent antibacterial drugs in the future.</jats:p>
container_issue 11
container_start_page 0
container_title International Journal of Molecular Sciences
container_volume 19
format_de105 Article, E-Article
format_de14 Article, E-Article
format_de15 Article, E-Article
format_de520 Article, E-Article
format_de540 Article, E-Article
format_dech1 Article, E-Article
format_ded117 Article, E-Article
format_degla1 E-Article
format_del152 Buch
format_del189 Article, E-Article
format_dezi4 Article
format_dezwi2 Article, E-Article
format_finc Article, E-Article
format_nrw Article, E-Article
_version_ 1792328826105102342
geogr_code not assigned
last_indexed 2024-03-01T12:59:27.79Z
geogr_code_person not assigned
openURL url_ver=Z39.88-2004&ctx_ver=Z39.88-2004&ctx_enc=info%3Aofi%2Fenc%3AUTF-8&rfr_id=info%3Asid%2Fvufind.svn.sourceforge.net%3Agenerator&rft.title=Atomistic+Analysis+of+ToxN+and+ToxI+Complex+Unbinding+Mechanism&rft.date=2018-11-09&genre=article&issn=1422-0067&volume=19&issue=11&pages=3524&jtitle=International+Journal+of+Molecular+Sciences&atitle=Atomistic+Analysis+of+ToxN+and+ToxI+Complex+Unbinding+Mechanism&aulast=Wang&aufirst=Jihua&rft_id=info%3Adoi%2F10.3390%2Fijms19113524&rft.language%5B0%5D=eng
SOLR
_version_ 1792328826105102342
author Hu, Guodong, Yu, Xiu, Bian, Yunqiang, Cao, Zanxia, Xu, Shicai, Zhao, Liling, Ji, Baohua, Wang, Wei, Wang, Jihua
author_facet Hu, Guodong, Yu, Xiu, Bian, Yunqiang, Cao, Zanxia, Xu, Shicai, Zhao, Liling, Ji, Baohua, Wang, Wei, Wang, Jihua, Hu, Guodong, Yu, Xiu, Bian, Yunqiang, Cao, Zanxia, Xu, Shicai, Zhao, Liling, Ji, Baohua, Wang, Wei, Wang, Jihua
author_sort hu, guodong
container_issue 11
container_start_page 0
container_title International Journal of Molecular Sciences
container_volume 19
description <jats:p>ToxIN is a triangular structure formed by three protein toxins (ToxNs) and three specific noncoding RNA antitoxins (ToxIs). To respond to stimuli, ToxI is preferentially degraded, releasing the ToxN. Thus, the dynamic character is essential in the normal function interactions between ToxN and ToxI. Here, equilibrated molecular dynamics (MD) simulations were performed to study the stability of ToxN and ToxI. The results indicate that ToxI adjusts the conformation of 3′ and 5′ termini to bind to ToxN. Steered molecular dynamics (SMD) simulations combined with the recently developed thermodynamic integration in 3nD (TI3nD) method were carried out to investigate ToxN unbinding from the ToxIN complex. The potentials of mean force (PMFs) and atomistic pictures suggest the unbinding mechanism as follows: (1) dissociation of the 5′ terminus from ToxN, (2) missing the interactions involved in the 3′ terminus of ToxI without three nucleotides (G31, A32, and A33), (3) starting to unfold for ToxI, (4) leaving the binding package of ToxN for three nucleotides of ToxI, (5) unfolding of ToxI. This work provides information on the structure-function relationship at the atomistic level, which is helpful for designing new potent antibacterial drugs in the future.</jats:p>
doi_str_mv 10.3390/ijms19113524
facet_avail Online, Free
finc_class_facet Chemie und Pharmazie, Physik, Informatik, Biologie
format ElectronicArticle
format_de105 Article, E-Article
format_de14 Article, E-Article
format_de15 Article, E-Article
format_de520 Article, E-Article
format_de540 Article, E-Article
format_dech1 Article, E-Article
format_ded117 Article, E-Article
format_degla1 E-Article
format_del152 Buch
format_del189 Article, E-Article
format_dezi4 Article
format_dezwi2 Article, E-Article
format_finc Article, E-Article
format_nrw Article, E-Article
geogr_code not assigned
geogr_code_person not assigned
id ai-49-aHR0cDovL2R4LmRvaS5vcmcvMTAuMzM5MC9pam1zMTkxMTM1MjQ
imprint MDPI AG, 2018
imprint_str_mv MDPI AG, 2018
institution DE-D275, DE-Bn3, DE-Brt1, DE-Zwi2, DE-D161, DE-Gla1, DE-Zi4, DE-15, DE-Pl11, DE-Rs1, DE-105, DE-14, DE-Ch1, DE-L229
issn 1422-0067
issn_str_mv 1422-0067
language English
last_indexed 2024-03-01T12:59:27.79Z
match_str hu2018atomisticanalysisoftoxnandtoxicomplexunbindingmechanism
mega_collection MDPI AG (CrossRef)
physical 3524
publishDate 2018
publishDateSort 2018
publisher MDPI AG
record_format ai
recordtype ai
series International Journal of Molecular Sciences
source_id 49
spelling Hu, Guodong Yu, Xiu Bian, Yunqiang Cao, Zanxia Xu, Shicai Zhao, Liling Ji, Baohua Wang, Wei Wang, Jihua 1422-0067 MDPI AG Inorganic Chemistry Organic Chemistry Physical and Theoretical Chemistry Computer Science Applications Spectroscopy Molecular Biology General Medicine Catalysis http://dx.doi.org/10.3390/ijms19113524 <jats:p>ToxIN is a triangular structure formed by three protein toxins (ToxNs) and three specific noncoding RNA antitoxins (ToxIs). To respond to stimuli, ToxI is preferentially degraded, releasing the ToxN. Thus, the dynamic character is essential in the normal function interactions between ToxN and ToxI. Here, equilibrated molecular dynamics (MD) simulations were performed to study the stability of ToxN and ToxI. The results indicate that ToxI adjusts the conformation of 3′ and 5′ termini to bind to ToxN. Steered molecular dynamics (SMD) simulations combined with the recently developed thermodynamic integration in 3nD (TI3nD) method were carried out to investigate ToxN unbinding from the ToxIN complex. The potentials of mean force (PMFs) and atomistic pictures suggest the unbinding mechanism as follows: (1) dissociation of the 5′ terminus from ToxN, (2) missing the interactions involved in the 3′ terminus of ToxI without three nucleotides (G31, A32, and A33), (3) starting to unfold for ToxI, (4) leaving the binding package of ToxN for three nucleotides of ToxI, (5) unfolding of ToxI. This work provides information on the structure-function relationship at the atomistic level, which is helpful for designing new potent antibacterial drugs in the future.</jats:p> Atomistic Analysis of ToxN and ToxI Complex Unbinding Mechanism International Journal of Molecular Sciences
spellingShingle Hu, Guodong, Yu, Xiu, Bian, Yunqiang, Cao, Zanxia, Xu, Shicai, Zhao, Liling, Ji, Baohua, Wang, Wei, Wang, Jihua, International Journal of Molecular Sciences, Atomistic Analysis of ToxN and ToxI Complex Unbinding Mechanism, Inorganic Chemistry, Organic Chemistry, Physical and Theoretical Chemistry, Computer Science Applications, Spectroscopy, Molecular Biology, General Medicine, Catalysis
title Atomistic Analysis of ToxN and ToxI Complex Unbinding Mechanism
title_full Atomistic Analysis of ToxN and ToxI Complex Unbinding Mechanism
title_fullStr Atomistic Analysis of ToxN and ToxI Complex Unbinding Mechanism
title_full_unstemmed Atomistic Analysis of ToxN and ToxI Complex Unbinding Mechanism
title_short Atomistic Analysis of ToxN and ToxI Complex Unbinding Mechanism
title_sort atomistic analysis of toxn and toxi complex unbinding mechanism
title_unstemmed Atomistic Analysis of ToxN and ToxI Complex Unbinding Mechanism
topic Inorganic Chemistry, Organic Chemistry, Physical and Theoretical Chemistry, Computer Science Applications, Spectroscopy, Molecular Biology, General Medicine, Catalysis
url http://dx.doi.org/10.3390/ijms19113524