BswR controls bacterial motility and biofilm formation in Pseudomonas aeruginosa through modulation of the small RNA RsmZ by Wang, Chao, Ye, Fuzhou, Kumar, Veerendra, Gao, Yong-Gui, Zhang, Lian-Hui

“…In addition to the contacts between the parallel helices α5 of two monomers, the two helical extensions (α6 and α7) intertwine together to form a homodimer, which is the biological function unit. …”
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The stalks of the motor A1A0 ATP synthase come into the focus : structural insight into subunits E, F and H by Gayen, Shovanlal

“…The -helix includes a kink that would bring the two helices of the C-terminus into the coiled-coil arrangement. …”
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Stapled BH3 Peptides against MCL-1 : mechanism and design using atomistic simulations by Joseph, Thomas L., Lane, David P., Verma, Chandra Shekhar.

“…Affinity is also modulated by the ability of the staples to pre-organize the peptides as helices. Molecular dynamics simulations of these stapled BH3 peptides were carried out followed by determination of the energies of interactions using MM/GBSA methods. …”
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Fabrication and characterization of protein-based tissue scaffold by Ko, Kok Wei.

“…And the spectra recorded from the structural analysis indicated the presence of secondary structures (α-helices and β-sheets) in amide I, II, III regions of protein. …”
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Secondary structure predictor by Kong, Benjamin Xupeng

“…This means predicting the likelihood of sequences that will form secondary structures such as alpha helices, beta strands and coiled coils. There are two different methods in secondary structure prediction. …”
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Pick one, but be quick : 5' splice sites and the problems of too many choices by Roca, Xavier, Krainer, Adrian R., Eperon, Ian C.

“…We also discuss recent work demonstrating that U1 snRNA:5′ss helices can accommodate noncanonical registers such as bulged duplexes. …”
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De novo-designed β-sheet heme proteins by D'Souza, Areetha, Bhattacharjya, Surajit

“…In nature, heme is found to occur predominantly in α-helical structures over β-sheets, which has resulted in significant designs of heme-proteins utilizing coiled coil helices. …”
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Characteristic vibration patterns of odor compounds from bread-baking volatiles upon protein binding : density functional and ONIOM study and principal component analysis by Treesuwan, Witcha, Hirao, Hajime, Morokuma, Keiji, Hannongbua, Supa

“…To gain insight into odorant molecules from bread baking, binding energies and vibration spectra in the gas phase and in the protein environment [7-transmembrane helices (7TMHs) of rhodopsin] were calculated using density functional theory [B3LYP/6-311++G(d,p)] and ONIOM [B3LYP/6-311++G(d,p):PM3] methods. …”
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Assessing the odd secondary structural properties of nuclear small subunit ribosomal RNA sequences (18S) of the twisted-wing parasites (Insecta: Strepsiptera) by Gillespie, J, McKenna, C, Yoder, M, Gutell, R, Johnston, J, Kathirithamby, J, Cognato, A

“…The majority of the base pairings in this structural model map on to the SSU rRNA secondary and tertiary helices that were previously predicted with comparative analysis. …”

Structure of a fully assembled γδ T-cell antigen receptor by Gully, BS, Ferreira Fernandes, J, Gunasinghe, SD, Vuong, MT, Lui, Y, Rice, MT, Rashleigh, L, Lay, C-S, Littler, DR, Sharma, S, Santos, AM, Venugopal, H, Rossjohn, J, Davis, SJ

“…The arrangement of CD3 subunits in γδ and αβ TCRs is conserved and, although the transmembrane α-helices of the TCR-γδ and -αβ subunits differ markedly in sequence, the packing of the eight transmembrane-helix bundles is similar⁶. …”

Development of an ultra-stretchable double-network hydrogel for flexible strain sensors by Li, Huijun, Zheng, Han, Tan, Yu Jun, Tor, Shu Beng, Zhou, Kun

“…The hydrogen-bond crosslinked double helices of agar and ionic-coordination interactions of AAC–Fe3+ serve as sacrificial bonds during large deformation to dissipate the energy while the reversible AAC–Fe3+ interactions can be regenerated after stress relief, which greatly increases the toughness of the DN hydrogel. …”
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Structure of the C-terminal domain of the multifunctional ICP27 protein from herpes simplex virus 1 by Nordlund, Par, Patel, Vidhi, Dahlroth, Sue-Li, Rajakannan, Venkatachalam, Ho, Hai Ting, Cornvik, Tobias

“…The structure reveals the C-terminal half of ICP27 to have a novel fold consisting of -helices and long loops, along with a unique CHCC-type of zinc-binding motif. …”
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Design, synthesis and activity studies of antifreeze peptide derived from type I shorthorn sculpin by Asmawi, Azren Aida

“…All designed peptides show moderate helical content (24-37%) concordant with FTIR results due to the presence of amide I at 1650 – 1658 cm-1 and amide II at 1545 cm-1, which are referred to be the characteristic of α- helices. …”
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Understanding Dengue Virus Capsid Protein Interaction with Key Biological Targets by Faustino, André F., Martins, Ivo C., Carvalho, Filomena A., Castanho, Miguel A. R. B., Maurer-Stroh, Sebastian, Santos, Nuno C.

“…Interestingly, APOE α-helical N-terminal sequence and structure superimposes with DENV C α-helices α1 and α2. …”
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Phosphatidylinositol 4,5-Bisphosphate Is an HCV NS5A Ligand and Mediates Replication of the Viral Genome by Cho, Nam-Joon, Lee, Choongho, Pang, Phillip S., Pham, Edward A., Fram, Benjamin, Nguyen, Khanh, Xiong, Anming, Sklan, Ella H., Elazar, Menashe, Koytak, Elif S., Kersten, Caroline, Kanazawa, Kay K., Frank, Curtis W., Glenn, Jeffrey S.

“…A similar motif was found to be conserved across all HCV isolates, as well as amphipathic helices of many pathogens and apolipoproteins. Conclusions: PI(4,5)P2 binds to HCV NS5A to promote replication of the viral RNA genome in hepatocytes. …”
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Structural and mechanistic studies of herpes virus proteins by Patel, Vidhi Kanaiyalal

“…The structure reveals the C-terminal half of ICP27 to be a bundle of α-helices along with a unique zinc-fingerlike motif. …”
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SARS-CoV-2 accessory protein 7b forms homotetramers in detergent by Surya, Wahyu, Queralt-Martin, Maria, Mu, Yuguang, Aguilella, Vicente M., Torres, Jaume

“…Addition of p7b to model membranes produced occasional membrane permeabilization, but this was not consistent with bona fide ion channels made of a tetrameric assembly of α-helices.…”
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Skyrmion qubits: challenges for future quantum computing applications by Psaroudaki, Christina, Peraticos, Elias, Panagopoulos, Christos

“…Magnetic nano-skyrmions develop quantized helicity excitations, and the quantum tunneling between nano-skyrmions possessing distinct helicities is indicative of the quantum nature of these particles. …”
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PC-based software for thermal design of helixchanger heat exchangers by Fong, Lin Qiang

“…However, due to its proprietary nature, Shell-and-Tube Heat Exchangers with Helical Baffles also called Helixchanger Heat Exchangers is rarely reported in the open literature. …”
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Expanding heme-protein folding space using designed multi-heme β-sheet mini-proteins by D’Souza, Areetha, Torres, Jaume, Bhattacharjya, Surajit

“…Nature has primarily exploited helical proteins, over β-sheets, for heme/multi-heme coordination. …”
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