{"title":"Issue Information ‐ Table of Content","authors":"","doi":"10.1002/prot.25732","DOIUrl":"https://doi.org/10.1002/prot.25732","url":null,"abstract":"","PeriodicalId":20789,"journal":{"name":"Proteins: Structure","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-08-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91044068","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Issue Information ‐ Table of Content","authors":"","doi":"10.1002/prot.25729","DOIUrl":"https://doi.org/10.1002/prot.25729","url":null,"abstract":"","PeriodicalId":20789,"journal":{"name":"Proteins: Structure","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-07-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82604145","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Issue Information ‐ Table of Content","authors":"","doi":"10.1002/prot.25726","DOIUrl":"https://doi.org/10.1002/prot.25726","url":null,"abstract":"","PeriodicalId":20789,"journal":{"name":"Proteins: Structure","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-06-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77954668","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Issue Information ‐ Forthcoming","authors":"S. Lanen, Jon S. Thorson, Dick J. Sjöström","doi":"10.1002/prot.25725","DOIUrl":"https://doi.org/10.1002/prot.25725","url":null,"abstract":"","PeriodicalId":20789,"journal":{"name":"Proteins: Structure","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74508517","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Issue Information ‐ Table of Content","authors":"","doi":"10.1002/prot.25723","DOIUrl":"https://doi.org/10.1002/prot.25723","url":null,"abstract":"","PeriodicalId":20789,"journal":{"name":"Proteins: Structure","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86481701","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Issue Information ‐ Table of Content","authors":"","doi":"10.1002/prot.25720","DOIUrl":"https://doi.org/10.1002/prot.25720","url":null,"abstract":"","PeriodicalId":20789,"journal":{"name":"Proteins: Structure","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83939366","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
T. Ohshida, J. Hayashi, K. Yoneda, T. Ohshima, H. Sakuraba
{"title":"Unique active site formation in a novel galactose 1‐phosphate uridylyltransferase from the hyperthermophilic archaeon Pyrobaculum aerophilum","authors":"T. Ohshida, J. Hayashi, K. Yoneda, T. Ohshima, H. Sakuraba","doi":"10.1002/prot.25848","DOIUrl":"https://doi.org/10.1002/prot.25848","url":null,"abstract":"A gene encoding galactose 1‐phosphate uridylyltransferase (GalT) was identified in the hyperthermophilic archaeon Pyrobaculum aerophilum. The gene was overexpressed in Escherichia coli, after which its product was purified and characterized. The expressed enzyme was highly thermostable and retained about 90% of its activity after incubation for 10 minutes at temperatures up to 90°C. Two different crystal structures of P. aerophilum GalT were determined: the substrate‐free enzyme at 2.33 Å and the UDP‐bound H140F mutant enzyme at 1.78 Å. The main‐chain coordinates of the P. aerophilum GalT monomer were similar to those in the structures of the E. coli and human GalTs, as was the dimeric arrangement. However, there was a striking topological difference between P. aerophilum GalT and the other two enzymes. In the E. coli and human enzymes, the N‐terminal chain extends from one subunit into the other and forms part of the substrate‐binding pocket in the neighboring subunit. By contrast, the N‐terminal chain in P. aerophilum GalT extends to the substrate‐binding site in the same subunit. Amino acid sequence alignment showed that a shorter surface loop in the N‐terminal region contributes to the unique topology of P. aerophilum GalT. Structural comparison of the substrate‐free enzyme with UDP‐bound H140F suggests that binding of the glucose moiety of the substrate, but not the UDP moiety, gives rise to a large structural change around the active site. This may in turn provide an appropriate environment for the enzyme reaction.","PeriodicalId":20789,"journal":{"name":"Proteins: Structure","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74704706","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Qingling Tang, Larissa L. Dougherty, Daniel J. Parente, Maike Gräff, Patrick C. F. Buchholz
{"title":"Issue Information ‐ Forthcoming","authors":"Qingling Tang, Larissa L. Dougherty, Daniel J. Parente, Maike Gräff, Patrick C. F. Buchholz","doi":"10.1002/prot.25722","DOIUrl":"https://doi.org/10.1002/prot.25722","url":null,"abstract":"","PeriodicalId":20789,"journal":{"name":"Proteins: Structure","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78669223","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Molecular dynamics simulations to the bidirectional adhesion signaling pathway of integrin αVβ3","authors":"M. Kulke, W. Langel","doi":"10.1002/prot.25849","DOIUrl":"https://doi.org/10.1002/prot.25849","url":null,"abstract":"The bidirectional force transmission process of integrin through the cell membrane is still not well understood. Several possible mechanisms have been discussed in literature on the basis of experimental data, and in this study, we investigate these mechanisms by free and steered molecular dynamics simulations. For the first time, constant velocity pulling on the complete integrin molecule inside a dipalmitoyl‐phosphatidylcholine membrane is conducted. From the results, the most likely mechanism for inside‐out and outside‐in signaling is the switchblade model with further separation of the transmembrane helices.","PeriodicalId":20789,"journal":{"name":"Proteins: Structure","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75353121","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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