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1
المؤلفون: Ninyio, Nathaniel, 1985, Schmitt, Katherina, Sergon, Gladys, 1984, Nilsson, Charlotta, Andersson, Sören, 1957, Scherbak, Nikolai, 1967
المصدر: Microbial Cell Factories. 23(1)
مصطلحات موضوعية: CRISPR/Cas9, HIV-1, Membrane-proximal external region (MPER), Outer membrane protein F (OmpF), Probiotic
وصف الملف: electronic
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2Academic Journal
المؤلفون: Scheepers, Cathrine, Kgagudi, Prudence, Mzindle, Nonkululeko, Gray, Elin S., Moyo-Gwete, Thandeka, Lambson, Bronwen E., Oosthuysen, Brent, Mabvakure, Batsirai, Garrett, Nigel J., Karim, Salim S.Abdool, Morris, Lynn, Moore, Penny L.
المصدر: Research outputs 2022 to 2026
مصطلحات موضوعية: antibodies (bNAbs), membrane-proximal external region (MPER), HIV, virus, Germline-targeting immunogens, Diseases, Medicine and Health Sciences, Virus Diseases
وصف الملف: application/pdf
Relation: https://ro.ecu.edu.au/ecuworks2022-2026/1258; https://ro.ecu.edu.au/cgi/viewcontent.cgi?article=2258&context=ecuworks2022-2026
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3Academic Journal
المؤلفون: Gach, Johannes S, Achenbach, Chad J, Chromikova, Veronika, Berzins, Baiba, Lambert, Nina, Landucci, Gary, Forthal, Donald N, Katlama, Christine, Jung, Barbara H, Murphy, Robert L, Paxton, William A
المصدر: PLoS ONE. 9(1)
مصطلحات موضوعية: immunodeficiency-virus type-1, proximal external region, b-cell responses, potent neutralization, envelope glycoprotein, disease progression, elite suppressors, immune-responses, vaccine target, c infection
وصف الملف: application/pdf
URL الوصول: https://escholarship.org/uc/item/8338q5nn
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4Academic Journal
المؤلفون: Gach, Johannes S, Quendler, Heribert, Tong, Tommy, Narayan, Kristin M, Du, Sean X, Whalen, Robert G, Binley, James M, Forthal, Donald N, Poignard, Pascal, Zwick, Michael B, Pöhlmann, Stefan
المصدر: PLoS ONE. 8(8)
مصطلحات موضوعية: Immunodeficiency-Virus Type-1, Human Monoclonal-Antibodies, Proximal External Region, Immunoglobulin G1 B12, Envelope Glycoprotein, Vaccine Design, Particles Bearing, Structural Basis, Cell Responses, Recognition
وصف الملف: application/pdf
URL الوصول: https://escholarship.org/uc/item/7v53r5np
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5Academic Journal
المؤلفون: A. Andrianov M., A. Yushkevich M., I. Bosko P., A. Karpenko D., Yu. Kornoushenko V., K. Furs V., A. Tuzikov V., А. Андрианов М., А. Юшкевич М., И. Босько П., А. Карпенко Д., Ю. Корноушенко В., К. Фурс В., А. Тузиков В.
المصدر: Doklady of the National Academy of Sciences of Belarus; Том 65, № 6 (2021); 680-691 ; Доклады Национальной академии наук Беларуси; Том 65, № 6 (2021); 680-691 ; 2524-2431 ; 1561-8323 ; 10.29235/1561-8323-2021-65-6
مصطلحات موضوعية: HIV-1, gp41 protein, Membrane-Proximal External Region, HIV fusion inhibitors, molecular modeling, antiviral drugs, ВИЧ-1, белок gp41, мембрано-проксимальная внешняя область, ингибиторы слияния ВИЧ, клик-химия, молекулярное моделирование, противовирусные препараты
وصف الملف: application/pdf
Relation: https://doklady.belnauka.by/jour/article/view/1020/1017; Wang, H.-B. HIV vaccine research: The challenge and the way forward / H.-B. Wang, Q.-H. Mo, Z. Yang // J. Immunol. Res. - 2015. - Vol. 2015. – Art. 503978. https://doi.org/10.1155/2015/503978; Mann, J. K. HIV-1 vaccine immunogen design strategies / J. K. Mann, T. Ndung’u // Virol. J. - 2015. - Vol. 12, N 1. - Art. 3. https://doi.org/10.1186/s12985-014-0221-0; Corti, D. Broadly neutralizing antiviral antibodies / D. Corti, A. Lanzavecchia // Annu. Rev. Immunol. - 2013. - Vol. 31, N 1. - P. 705–742. https://doi.org/10.1146/annurev-immunol-032712-095916; Arts, E. J. HIV-1 antiretroviral drug therapy / E. J. Arts, D. J. Hazuda // Cold Spring Harb. Perspect. Med. - 2012. - Vol. 2, N 4. - Art. 007161. https://doi.org/10.1101/cshperspect.a007161; Kumari, G. Highly active antiretroviral therapy for treatment of HIV/AIDS patients: current status and future prospects and the Indian scenario / G. Kumari, R. K. Singh // HIV and AIDS Rev. - 2012. - Vol. 11, N 1. - P. 5–14. https://doi.org/10.1016/j.hivar.2012.02.003; MacArthur, R. D. Maraviroc: The first of a new class of antiretroviral agents / R. D. MacArthur, R. M. Novak // Clin. Infect. Dis. - 2008. - Vol. 47, N 2. - P. 236–241. https://doi.org/10.1086/589289; Enfuvirtide: The first therapy to inhibit the entry of HIV-1 into host CD4 lymphocytes / T. Matthews [et al.] // Nat. Rev. Drug Discov. - 2004. - Vol. 3, N 3. - P. 215–225. https://doi.org/10.1038/nrd1331; Kwong, P. D. The changing face of HIV vaccine research / P. D. Kwong, J. R. Mascola, G. I. Nabel // J. Int. AIDS Soc. - 2012. - Vol. 15, N 2. - Art. 17407. https://doi.org/10.7448/ias.15.2.17407; Broad and potent neutralization of HIV-1 by a gp41-specific human antibody / J. Huang [et al.] // Nature. - 2012. - Vol. 491, N 7424. - P. 406–412. https://doi.org/10.1038/nature11544; Kolb, H. C. Click chemistry: Diverse chemical function from a few good reactions / H. C. Kolb, M. G. Finn, K. B. Sharpless // Angewandte Chemie International Edition. - 2001. - Vol. 40, N 11. - P. 2004–2021. https://doi.org/10.1002/1521-3773(20010601)40:11%3C2004::aid-anie2004%3E3.0.co;2-5; Experimental and computational approaches to estimate solubility and permeability in drug discovery and development settings / C. A. Lipinski [et al.] // Adv. Drug Deliv. Rev. - 2001. - Vol. 46, N 1–3. - P. 3–26. https://doi.org/10.1016/s0169-409x(00)00129-0; Genheden, S. The MM/PBSA and MM/GBSA methods to estimate ligand-binding affinities / S. Genheden, U. Ryde // Expert Opin. Drug Discov. - 2015. - Vol. 10, N 5. - P. 449–461. https://doi.org/10.1517/17460441.2015.1032936; Combined docking with classical force field and quantum chemical semiempirical method PM7 / A. V. Sulimov [et al.] // Adv. Bioinformatics. - 2017. - Vol. 2017. - P. 1-6. https://doi.org/10.1155/2017/7167691; Salzwedel, K. A conserved tryptophan-rich motif in the membrane-proximal region of the human immunodeficiency virus type 1 gp41 ectodomain is important for Env-mediated fusion and virus infectivity / K. Salzwedel, J. T. West, E. A. Hunter // J. Virol. - 1999. - Vol. 73, N 3. - P. 2469-2480. https://doi.org/10.1128/jvi.73.3.2469-2480.1999; Can machine learning consistently improve the scoring power of classical scoring functions? Insights into the role of machine learning in scoring functions / C. Shen [et al.] // Brief. Bioinform. - 2021. - Vol. 22, N 1. - P. 497-514. https://doi.org/10.1093/bib/bbz173; https://doklady.belnauka.by/jour/article/view/1020
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6Academic Journal
المؤلفون: Young D. Kwon, Gwo-Yu Chuang, Baoshan Zhang, Robert T. Bailer, Nicole A. Doria-Rose, Tatyana S. Gindin, Bob Lin, Mark K. Louder, Krisha McKee, Sijy O’Dell, Amarendra Pegu, Stephen D. Schmidt, Mangaiarkarasi Asokan, Xuejun Chen, Misook Choe, Ivelin S. Georgiev, Vivian Jin, Marie Pancera, Reda Rawi, Keyun Wang, Rajoshi Chaudhuri, Lisa A. Kueltzo, Slobodanka D. Manceva, John-Paul Todd, Diana G. Scorpio, Mikyung Kim, Ellis L. Reinherz, Kshitij Wagh, Bette M. Korber, Mark Connors, Lawrence Shapiro, John R. Mascola, Peter D. Kwong
المصدر: Cell Reports, Vol 22, Iss 7, Pp 1798-1809 (2018)
مصطلحات موضوعية: antibody improvement, surface-matrix screening, HIV-1, broadly neutralizing antibody, membrane-proximal external region, MPER, Biology (General), QH301-705.5
وصف الملف: electronic resource
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7Academic Journal
المؤلفون: Stefania Castelletto, Alberto Boretti
مصطلحات موضوعية: Biomedical imaging, Biomedical instrumentation, Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2), broadly neutralizing antibodies (bnABs), fluorescence, fluorescence super-resolution (FSR), green fluorescent protein (GFP), imaging, infection, membrane-proximal external region (MPER), microscopy, photo-activation localization microscopy (PALM), photo-bleaching, photo-toxicity, quantum dots, single-molecule switching microscopy (SMSM), spatial resolution, stimulated emission depletion microscopy (STEC), stochastic optical reconstruction microscopy (STORM), temporal resolution, total internal reflection fluorescence (TIRF), viral dynamics
Relation: 10779/rmit.27420903.v1
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8Academic Journal
المؤلفون: Rana L. Singleton, Carrie A. Sanders, Kevin Jones, Bobby Thorington, Timothy Egbo, Mamie T. Coats, Alain Bopda Waffo
المصدر: Methods and Protocols; Volume 1; Issue 2; Pages: 18
مصطلحات موضوعية: Qβ, read-through protein A 1, foot-and-mouth disease virus (FMDV), membrane proximal external region (MPER), human immunodeficiency virus (HIV), in vitro evolution, proofreading
وصف الملف: application/pdf
Relation: https://dx.doi.org/10.3390/mps1020018
الاتاحة: https://doi.org/10.3390/mps1020018
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9Academic Journal
المؤلفون: Lara Ajamian, Luca Melnychuk, Patrick Jean-Pierre, Gerasimos Zaharatos
المصدر: Viruses; Volume 10; Issue 3; Pages: 100
مصطلحات موضوعية: HIV-1, gp41, membrane proximal external region, MPER, flagellin, adjuvant, DNA vaccine
جغرافية الموضوع: agris
وصف الملف: application/pdf
Relation: Animal Viruses; https://dx.doi.org/10.3390/v10030100
الاتاحة: https://doi.org/10.3390/v10030100
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10Academic Journal
المصدر: Frontiers in Immunology, Vol 8 (2017)
مصطلحات موضوعية: human immunodeficiency virus type-1, broadly neutralizing antibodies, membrane proximal external region, B-cells, polyreactivity, membrane interaction, Immunologic diseases. Allergy, RC581-607
وصف الملف: electronic resource
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11Academic Journal
المؤلفون: Corti, D, Langedijk, JPM, Hinz, A, Seaman, MS, Vanzetta, F, Fernandez-Rodriguez, BM, Silacci, C, Pinna, D, Jarrossay, D, Balla-Jhagjhoorsingh, S, Willems, B, Zekveld, MJ, Dreja, H, O'Sullivan, E, Pade, C, Orkin, C, Jeffs, SA, Montefiori, DC, Davis, D, Weissenhorn, W, McKnight, A, Heeney, JL, Sallusto, F, Sattentau, QJ, Weiss, RA, Lanzavecchia, A
مصطلحات موضوعية: HUMAN-IMMUNODEFICIENCY-VIRUS, PROXIMAL EXTERNAL REGION, TYPE-1 INFECTION, SUBTYPE-B, ENVELOPE GLYCOPROTEIN, HIV-1 NEUTRALIZATION, PASSIVE TRANSFER, BINDING-SITE, ENV CLONES, IN-VITRO
وصف الملف: ? - ?
Relation: PLOS ONE; e8805; http://qmro.qmul.ac.uk/xmlui/handle/123456789/34429
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12Academic Journal
المؤلفون: Serrano, Soraya, Araujo, Aitziber, Apellaniz, Beatriz, Bryson, Steve, Carravilla, Pablo, de la Arada, Igor, Huarte, Nerea, Rujas, Edurne, Pai, Emil F., Arrondo, Jose L. R., Domene, Carmen, Angeles Jimenez, Maria, Nieva, Jose L.
المصدر: Serrano , S , Araujo , A , Apellaniz , B , Bryson , S , Carravilla , P , de la Arada , I , Huarte , N , Rujas , E , Pai , E F , Arrondo , J L R , Domene , C , Angeles Jimenez , M & Nieva , J L 2014 , ' Structure and Immunogenicity of a Peptide Vaccine, Including the Complete HIV-1 gp41 2F5 Epitope : IMPLICATIONS FOR ANTIBODY RECOGNITION MECHANISM AND IMMUNOGEN DESIGN ' , Journal of Biological Chemistry , vol. 289 , no. 10 , pp. 6565-6580 ....
مصطلحات موضوعية: Fourier Transform IR (FTIR), HIV-1, Liposomes, Nuclear Magnetic Resonance, Peptide Conformation, Vaccine Development, IMMUNODEFICIENCY-VIRUS TYPE-1, PROXIMAL EXTERNAL REGION, HUMAN MONOCLONAL-ANTIBODY, BROADLY NEUTRALIZING ANTIBODIES, ENVELOPE GLYCOPROTEIN, MOLECULAR-DYNAMICS, MEDIATED FUSION, NMR STRUCTURE, FORCE-FIELD, MEMBRANE
وصف الملف: application/pdf
الاتاحة: https://kclpure.kcl.ac.uk/portal/en/publications/structure-and-immunogenicity-of-a-peptide-vaccine-including-the-complete-hiv1-gp41-2f5-epitope(5e798670-ff20-4823-921c-96823313940c).html
https://doi.org/10.1074/jbc.M113.527747
https://kclpure.kcl.ac.uk/ws/files/52931544/J._Biol._Chem._2014_Serrano_6565_80.pdf -
13Dissertation/ Thesis
المؤلفون: Reardon, Patrick Neal
Thesis Advisors: Spicer, Leonard D
مصطلحات موضوعية: Biophysics, Virology, Biochemistry, gp41, HIV-1, In-Cell NMR, Membrane Proximal External Region
الاتاحة: http://hdl.handle.net/10161/4966
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14Academic Journal
المؤلفون: Huarte Arrayago, Nerea, Araujo Pasarín, Aitziber, Arranz, Rocio, Lorizate Nogales, Maier, Quendler, Heribert, Kunert, Renate, Valpuesta, José M., Nieva Escandón, José Luis
مصطلحات موضوعية: immunodeficiency-virus type-1, proximal external region, large unilamellar vesicles, human monoclonal-antibody, complementarity-determining region, vaccine design, envelope glycoprotein, GP41 ectodomain, conformational constraints, anti-HIV-1 antibodies, AGRICULTURAL AND BIOLOGICAL SCIENCES, MEDICINE, BIOCHEMISTRY AND MOLECULAR BIOLOGY
وصف الملف: application/pdf
Relation: info:eu-repo/grantAgreement/MINECO/BIO2011-29792; info:eu-repo/grantAgreement/MICINN/BFU2010-15703-BMC; http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0052740; PLoS ONE 7(12) : (2012) // e52740.; http://hdl.handle.net/10810/9465
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15Academic Journal
المؤلفون: Franquelim, Henri G., Chiantia, Salvatore, Veiga, Ana Salomé, Santos, Nuno C., Schwille, Petra, Castanho, Miguel A. R. B.
مصطلحات موضوعية: 2F5, 4E10, gp41, HIV-1, Membrane proximal external region, Microscopy
Relation: AIDS 2011, 25:419–428; http://dx.doi.org/10.1097/QAD.0b013e328342ff11; http://hdl.handle.net/10451/6748
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16
المؤلفون: Si Min Zhang, Yanning Lu, Ying Liao, Anders Vahlne, Tuan Ling Neo, Ding Xiang Liu, James P. Tam
المساهمون: School of Biological Sciences
المصدر: The International Journal of Biochemistry & Cell Biology
مصطلحات موضوعية: 0301 basic medicine, Gene Expression, Peptide, medicine.disease_cause, Biochemistry, Protein Structure, Secondary, HIV-1, Human immunodeficiency virus type I, Sf9 Cells, self-binding peptides, Coronavirus, SPINE (molecular biology), 6-HB, Six-helix bundle, Coiled coil, chemistry.chemical_classification, ThT, Thioflavin T, Chemistry, Biological sciences [Science], CD, Circular dichroism, Hemagglutinins, Severe acute respiratory syndrome-related coronavirus, Spike Glycoprotein, Coronavirus, Class I viral fusion glycoprotein, MPER, Membrane proximal external region, Protein Binding, viral detection, Zipper, Recombinant Fusion Proteins, PAGE, Polyacrylamide gel electrophoresis, RBD, Receptor binding domain, Amyloidogenic Proteins, HR, Heptad repeat, Spodoptera, IFP, Internal fusion peptide, Article, 03 medical and health sciences, Peptide Library, S, Spike protein, SARS-CoV Spike Protein, Consensus sequence, medicine, Animals, Humans, Avidity, Amino Acid Sequence, Steric β-zipper, Solid-Phase Synthesis Techniques, SARS-CoV, Severe acute respiratory syndrome associated coronavirus, 030102 biochemistry & molecular biology, Cell Biology, SARS-CoV spike protein, Heptad repeat, HEK293 Cells, FP, Fusion peptide, 030104 developmental biology, Peptides, HA, Hemagglutinin
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17Academic Journal
المؤلفون: Apellaniz Unzalu, Beatriz, García Sáez, Ana J., Huarte Arrayago, Nerea, Kunert, Renate, Vorauer-Uhl, Karola, Katinger, Hermann, Schwille, Petra, Nieva Escandón, José Luis
مصطلحات موضوعية: cholesterol, 19-dioctadecyl-3,3,39,39-tetramethylindodicarbocyanine perchlorate, 1'-dioctadecyl-3,3'-oxacarbocyanine perchlorate, dioleoyl-phosphatidylcholine, giant unilamellar vesicle, multilamellar vesicle, membrane-proximal external region, 1-palmitoyl-2-oleoylphosphatidylcholine, supported-lipid bilayers, sphingomyelin
وصف الملف: application/pdf
Relation: info:eu-repo/grantAgreement/MICINN/BIO2008-00772; https://doi.org/10.1016/j.febslet.2010.03.021; Febs Letters 584(8) : 1591-1596 (2010); http://hdl.handle.net/10810/68862
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18Academic Journal
المؤلفون: Corti, D, Langedijk, JPM, Hinz, A, Seaman, MS, Vanzetta, F, Fernandez-Rodriguez, BM, Silacci, C, Pinna, D, Jarrossay, D, Balla-Jhagjhoorsingh, S, Willems, B, Zekveld, MJ, Dreja, H, O'Sullivan, E, Pade, C, Orkin, C, Jeffs, SA, Montefiori, DC, Davis, D, Weissenhorn, W, McKnight, A, Heeney, JL, Sallusto, F, Sattentau, QJ, Weiss, RA, Lanzavecchia, A
المصدر: PLOS ONE , 5 (1) , Article e8805. (2010)
مصطلحات موضوعية: HUMAN-IMMUNODEFICIENCY-VIRUS, PROXIMAL EXTERNAL REGION, TYPE-1 INFECTION, SUBTYPE-B, ENVELOPE GLYCOPROTEIN, HIV-1 NEUTRALIZATION, PASSIVE TRANSFER, BINDING-SITE, ENV CLONES, IN-VITRO
وصف الملف: application/pdf
Relation: https://discovery.ucl.ac.uk/id/eprint/141355/1/141355.pdf; https://discovery.ucl.ac.uk/id/eprint/141355/
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19Academic Journal
المؤلفون: Hinz, A, Hulsik, DL, Forsman, A, Koh, WWL, Belrhali, H, Gorlani, A, de Haard, H, Weiss, RA, Verrips, T, Weissenhorn, W
المصدر: PLOS ONE , 5 (5) , Article e10482. (2010)
مصطلحات موضوعية: IMMUNODEFICIENCY-VIRUS TYPE-1, HUMAN MONOCLONAL-ANTIBODY, CD4 BINDING-SITE, PROXIMAL EXTERNAL REGION, FUSION INHIBITOR T-20, ENVELOPE GLYCOPROTEIN, SACCHAROMYCES-CEREVISIAE, MEMBRANE-FUSION, HEAVY-CHAIN, GP41
وصف الملف: application/pdf
Relation: https://discovery.ucl.ac.uk/id/eprint/92971/1/92971.pdf; https://discovery.ucl.ac.uk/id/eprint/92971/
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20
المؤلفون: Julian Buchrieser, Marie-Christine Vaney, Marija Backovic, Eduard Baquero, Bruno Baron, Katinka Ruigrok, Patrick England, Jan Hellert, Félix A. Rey, Olivier Schwartz
المساهمون: Virologie Structurale - Structural Virology, Institut Pasteur [Paris]-Centre National de la Recherche Scientifique (CNRS), Université Paris Descartes - Paris 5 (UPD5), Virus et Immunité - Virus and immunity, Vaccine Research Institute (VRI), Université Paris-Est Créteil Val-de-Marne - Paris 12 (UPEC UP12), This work was funded by the European Research council (ERC ‘CelCelFus’ grant #340371) awarded to F.A.R, and recurrent funding from the Institut Pasteur (IP) and CNRS, We thank Ahmed Haouz and staff at the IP core facility for protein crystallization, and staff at the Proxima-2 beamline at the SOLEIL synchrotron for assistance with data collection and processing. We also thank Ignacio Fernandez for helpful discussions and critical reading of the manuscript, Delphine Brun for technical assistance, and Etienne Simon-Loriere for discussions and help with phylogenetic analyses., Centre National de la Recherche Scientifique (CNRS)-Institut Pasteur [Paris], Institut Pasteur [Paris] (IP)-Centre National de la Recherche Scientifique (CNRS), Virus et Immunité - Virus and immunity (CNRS-UMR3569), Vaccine Research Institute [Créteil, France] (VRI), Virologie Structurale, Virus et Immunité
المصدر: Journal of Molecular Biology
Journal of Molecular Biology, Elsevier, 2019, pp.S0022-2836(19)30616-3. ⟨10.1016/j.jmb.2019.10.020⟩
Journal of Molecular Biology, 2019, pp.S0022-2836(19)30616-3. ⟨10.1016/j.jmb.2019.10.020⟩مصطلحات موضوعية: TM, transmembrane subunit, WT, wild type, Models, Molecular, Protein Conformation, HR, heptad repeat, Pregnancy Proteins, Crystallography, X-Ray, 0302 clinical medicine, Viral Envelope Proteins, MPER, membrane-proximal external region, Aa, amino acid, PDB, protein data bank, TMA, transmembrane anchor, GFP, green fluorescent protein, chemistry.chemical_classification, Helix bundle, 0303 health sciences, Syncytin, [SDV.BBM.BS]Life Sciences [q-bio]/Biochemistry, Molecular Biology/Structural Biology [q-bio.BM], Transmembrane protein, 3. Good health, Cell biology, HIV, human immunodeficiency virus, [SDV.BBM.BS]Life Sciences [q-bio]/Biochemistry, Molecular Biology/Biomolecules [q-bio.BM], Env, envelope protein, TME, ectodomain of the transmembrane subunit, Syn1, human syncytin-1, [SDV.MP.VIR]Life Sciences [q-bio]/Microbiology and Parasitology/Virology, HTLV, human T-lymphotropic virus, EBOV, Ebola virus, Structural biology, Fusion protein, SU, surface subunit, BLV, bovine leukemia virus, MPMV, Mason–Pfizer monkey virus, MARV, Marburg virus, Protein subunit, Membrane fusion, SEM, standard error of the mean value, Article, Syn2, human syncytin-2, TEV, tobacco etch virus, ER, endoplasmic reticulum, 03 medical and health sciences, Humans, HERV, human endogenous retrovirus, Protein Interaction Domains and Motifs, Amino Acid Sequence, Molecular Biology, 030304 developmental biology, X-ray crystallography, Lipid bilayer fusion, Gene Products, env, Membrane protein, chemistry, SP, signal peptide, SEC, size exclusion chromatography, Gammaretrovirus, Glycoprotein, 030217 neurology & neurosurgery, 6HB, six-helix bundle