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CHEMISTRY (597 journals)                  1 2 3 | Last

Showing 1 - 200 of 735 Journals sorted alphabetically
2D Materials     Hybrid Journal   (Followers: 7)
Accreditation and Quality Assurance: Journal for Quality, Comparability and Reliability in Chemical Measurement     Hybrid Journal   (Followers: 26)
ACS Catalysis     Full-text available via subscription   (Followers: 31)
ACS Chemical Neuroscience     Full-text available via subscription   (Followers: 17)
ACS Combinatorial Science     Full-text available via subscription   (Followers: 23)
ACS Macro Letters     Full-text available via subscription   (Followers: 22)
ACS Medicinal Chemistry Letters     Full-text available via subscription   (Followers: 39)
ACS Nano     Full-text available via subscription   (Followers: 217)
ACS Photonics     Full-text available via subscription   (Followers: 10)
ACS Synthetic Biology     Full-text available via subscription   (Followers: 20)
Acta Chemica Iasi     Open Access   (Followers: 2)
Acta Chimica Sinica     Full-text available via subscription  
Acta Chimica Slovaca     Open Access   (Followers: 1)
Acta Chromatographica     Full-text available via subscription   (Followers: 9)
Acta Facultatis Medicae Naissensis     Open Access  
Acta Metallurgica Sinica (English Letters)     Hybrid Journal   (Followers: 5)
Acta Scientifica Naturalis     Open Access   (Followers: 2)
adhäsion KLEBEN & DICHTEN     Hybrid Journal   (Followers: 5)
Adhesion Adhesives & Sealants     Hybrid Journal   (Followers: 7)
Adsorption Science & Technology     Full-text available via subscription   (Followers: 5)
Advanced Functional Materials     Hybrid Journal   (Followers: 48)
Advanced Science Focus     Free   (Followers: 3)
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Advances in Chemical Science     Open Access   (Followers: 12)
Advances in Chemistry     Open Access   (Followers: 12)
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Advances in Enzyme Research     Open Access   (Followers: 10)
Advances in Fluorine Science     Full-text available via subscription   (Followers: 8)
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Advances in Heterocyclic Chemistry     Full-text available via subscription   (Followers: 8)
Advances in Materials Physics and Chemistry     Open Access   (Followers: 18)
Advances in Nanoparticles     Open Access   (Followers: 12)
Advances in Organometallic Chemistry     Full-text available via subscription   (Followers: 15)
Advances in Polymer Science     Hybrid Journal   (Followers: 40)
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Advances in Quantum Chemistry     Full-text available via subscription   (Followers: 5)
Advances in Science and Technology     Full-text available via subscription   (Followers: 10)
African Journal of Bacteriology Research     Open Access  
African Journal of Chemical Education     Open Access   (Followers: 2)
African Journal of Pure and Applied Chemistry     Open Access   (Followers: 7)
Agrokémia és Talajtan     Full-text available via subscription   (Followers: 2)
Alkaloids: Chemical and Biological Perspectives     Full-text available via subscription   (Followers: 3)
AMB Express     Open Access   (Followers: 1)
Ambix     Hybrid Journal   (Followers: 3)
American Journal of Biochemistry and Biotechnology     Open Access   (Followers: 65)
American Journal of Biochemistry and Molecular Biology     Open Access   (Followers: 14)
American Journal of Chemistry     Open Access   (Followers: 25)
American Journal of Plant Physiology     Open Access   (Followers: 13)
American Mineralogist     Full-text available via subscription   (Followers: 12)
Analyst     Full-text available via subscription   (Followers: 38)
Angewandte Chemie     Hybrid Journal   (Followers: 153)
Angewandte Chemie International Edition     Hybrid Journal   (Followers: 203)
Annales UMCS, Chemia     Open Access   (Followers: 1)
Annals of Clinical Chemistry and Laboratory Medicine     Open Access   (Followers: 1)
Annual Reports in Computational Chemistry     Full-text available via subscription   (Followers: 3)
Annual Reports Section A (Inorganic Chemistry)     Full-text available via subscription   (Followers: 3)
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Annual Review of Chemical and Biomolecular Engineering     Full-text available via subscription   (Followers: 12)
Annual Review of Food Science and Technology     Full-text available via subscription   (Followers: 14)
Anti-Infective Agents     Hybrid Journal   (Followers: 3)
Antiviral Chemistry and Chemotherapy     Hybrid Journal  
Applied Organometallic Chemistry     Hybrid Journal   (Followers: 6)
Applied Spectroscopy     Full-text available via subscription   (Followers: 22)
Applied Surface Science     Hybrid Journal   (Followers: 26)
Arabian Journal of Chemistry     Open Access   (Followers: 6)
ARKIVOC     Open Access   (Followers: 2)
Asian Journal of Biochemistry     Open Access   (Followers: 1)
Atomization and Sprays     Full-text available via subscription   (Followers: 3)
Australian Journal of Chemistry     Hybrid Journal   (Followers: 7)
Autophagy     Hybrid Journal   (Followers: 2)
Avances en Quimica     Open Access   (Followers: 1)
Biochemical Pharmacology     Hybrid Journal   (Followers: 9)
Biochemistry     Full-text available via subscription   (Followers: 278)
Biochemistry Insights     Open Access   (Followers: 5)
Biochemistry Research International     Open Access   (Followers: 6)
BioChip Journal     Hybrid Journal  
Bioinorganic Chemistry and Applications     Open Access   (Followers: 9)
Bioinspired Materials     Open Access   (Followers: 3)
Biointerface Research in Applied Chemistry     Open Access   (Followers: 2)
Biointerphases     Open Access   (Followers: 1)
Biology, Medicine, & Natural Product Chemistry     Open Access  
Biomacromolecules     Full-text available via subscription   (Followers: 18)
Biomass Conversion and Biorefinery     Partially Free   (Followers: 10)
Biomedical Chromatography     Hybrid Journal   (Followers: 6)
Biomolecular NMR Assignments     Hybrid Journal   (Followers: 3)
BioNanoScience     Partially Free   (Followers: 4)
Bioorganic & Medicinal Chemistry     Hybrid Journal   (Followers: 107)
Bioorganic & Medicinal Chemistry Letters     Hybrid Journal   (Followers: 99)
Bioorganic Chemistry     Hybrid Journal   (Followers: 10)
Biopolymers     Hybrid Journal   (Followers: 18)
Biosensors     Open Access   (Followers: 2)
Biotechnic and Histochemistry     Hybrid Journal   (Followers: 1)
Bitácora Digital     Open Access  
Boletin de la Sociedad Chilena de Quimica     Open Access  
Bulletin of the Chemical Society of Ethiopia     Open Access   (Followers: 2)
Bulletin of the Chemical Society of Japan     Full-text available via subscription   (Followers: 24)
Bulletin of the Korean Chemical Society     Hybrid Journal   (Followers: 1)
C - Journal of Carbon Research     Open Access   (Followers: 2)
Canadian Association of Radiologists Journal     Full-text available via subscription   (Followers: 2)
Canadian Journal of Chemistry     Full-text available via subscription   (Followers: 10)
Canadian Mineralogist     Full-text available via subscription   (Followers: 3)
Carbohydrate Research     Hybrid Journal   (Followers: 26)
Carbon     Hybrid Journal   (Followers: 67)
Catalysis for Sustainable Energy     Open Access   (Followers: 6)
Catalysis Reviews: Science and Engineering     Hybrid Journal   (Followers: 8)
Catalysis Science and Technology     Free   (Followers: 6)
Catalysis Surveys from Asia     Hybrid Journal   (Followers: 3)
Catalysts     Open Access   (Followers: 7)
Cellulose     Hybrid Journal   (Followers: 7)
Cereal Chemistry     Full-text available via subscription   (Followers: 4)
ChemBioEng Reviews     Full-text available via subscription   (Followers: 1)
ChemCatChem     Hybrid Journal   (Followers: 8)
Chemical and Engineering News     Free   (Followers: 12)
Chemical Bulletin of Kazakh National University     Open Access  
Chemical Communications     Full-text available via subscription   (Followers: 69)
Chemical Engineering Research and Design     Hybrid Journal   (Followers: 23)
Chemical Research in Chinese Universities     Hybrid Journal   (Followers: 3)
Chemical Research in Toxicology     Full-text available via subscription   (Followers: 19)
Chemical Reviews     Full-text available via subscription   (Followers: 165)
Chemical Science     Open Access   (Followers: 21)
Chemical Technology     Open Access   (Followers: 15)
Chemical Vapor Deposition     Hybrid Journal   (Followers: 4)
Chemical Week     Full-text available via subscription   (Followers: 7)
Chemie in Unserer Zeit     Hybrid Journal   (Followers: 55)
Chemie-Ingenieur-Technik (Cit)     Hybrid Journal   (Followers: 25)
ChemInform     Hybrid Journal   (Followers: 7)
Chemistry & Biodiversity     Hybrid Journal   (Followers: 6)
Chemistry & Biology     Full-text available via subscription   (Followers: 30)
Chemistry & Industry     Hybrid Journal   (Followers: 5)
Chemistry - A European Journal     Hybrid Journal   (Followers: 136)
Chemistry - An Asian Journal     Hybrid Journal   (Followers: 15)
Chemistry and Materials Research     Open Access   (Followers: 17)
Chemistry Central Journal     Open Access   (Followers: 4)
Chemistry Education Research and Practice     Free   (Followers: 5)
Chemistry in Education     Open Access   (Followers: 9)
Chemistry International     Hybrid Journal   (Followers: 2)
Chemistry Letters     Full-text available via subscription   (Followers: 43)
Chemistry of Materials     Full-text available via subscription   (Followers: 190)
Chemistry of Natural Compounds     Hybrid Journal   (Followers: 9)
Chemistry-Didactics-Ecology-Metrology     Open Access  
ChemistryOpen     Open Access   (Followers: 2)
Chemkon - Chemie Konkret, Forum Fuer Unterricht Und Didaktik     Hybrid Journal  
Chemoecology     Hybrid Journal   (Followers: 2)
Chemometrics and Intelligent Laboratory Systems     Hybrid Journal   (Followers: 15)
Chemosensors     Open Access  
ChemPhysChem     Hybrid Journal   (Followers: 8)
ChemPlusChem     Hybrid Journal   (Followers: 2)
ChemTexts     Hybrid Journal  
CHIMIA International Journal for Chemistry     Full-text available via subscription   (Followers: 2)
Chinese Journal of Chemistry     Hybrid Journal   (Followers: 6)
Chinese Journal of Polymer Science     Hybrid Journal   (Followers: 10)
Chromatographia     Hybrid Journal   (Followers: 23)
Chromatography Research International     Open Access   (Followers: 7)
Clay Minerals     Full-text available via subscription   (Followers: 9)
Cogent Chemistry     Open Access  
Colloid and Interface Science Communications     Open Access  
Colloid and Polymer Science     Hybrid Journal   (Followers: 10)
Colloids and Surfaces B: Biointerfaces     Hybrid Journal   (Followers: 8)
Combinatorial Chemistry & High Throughput Screening     Hybrid Journal   (Followers: 3)
Combustion Science and Technology     Hybrid Journal   (Followers: 18)
Comments on Inorganic Chemistry: A Journal of Critical Discussion of the Current Literature     Hybrid Journal   (Followers: 2)
Composite Interfaces     Hybrid Journal   (Followers: 6)
Comprehensive Chemical Kinetics     Full-text available via subscription   (Followers: 2)
Comptes Rendus Chimie     Full-text available via subscription  
Comptes Rendus Physique     Full-text available via subscription   (Followers: 1)
Computational and Theoretical Chemistry     Hybrid Journal   (Followers: 9)
Computational Biology and Chemistry     Hybrid Journal   (Followers: 12)
Computational Chemistry     Open Access   (Followers: 2)
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Coordination Chemistry Reviews     Full-text available via subscription   (Followers: 2)
Copernican Letters     Open Access  
Critical Reviews in Biochemistry and Molecular Biology     Hybrid Journal   (Followers: 5)
Crystal Structure Theory and Applications     Open Access   (Followers: 3)
CrystEngComm     Full-text available via subscription   (Followers: 10)
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Dalton Transactions     Full-text available via subscription   (Followers: 18)
Detection     Open Access   (Followers: 2)
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Educación Química     Open Access   (Followers: 1)
Education for Chemical Engineers     Hybrid Journal   (Followers: 5)
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Elements     Full-text available via subscription   (Followers: 2)
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Environmental Chemistry Letters     Hybrid Journal   (Followers: 4)
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Environmental Science : Nano     Partially Free   (Followers: 1)
Environmental Toxicology & Chemistry     Hybrid Journal   (Followers: 19)

        1 2 3 | Last

Journal Cover Biomolecular NMR Assignments
  [SJR: 0.325]   [H-I: 10]   [3 followers]  Follow
   Hybrid Journal Hybrid journal (It can contain Open Access articles)
   ISSN (Print) 1874-270X - ISSN (Online) 1874-2718
   Published by Springer-Verlag Homepage  [2329 journals]
  • Backbone 1 H, 15 N, and 13 C resonance assignments of the Tom1 VHS domain
    • Authors: Jeffrey F. Ellena; Wen Xiong; Xiaolin Zhao; Narasimhamurthy Shanaiah; Daniel G. S. Capelluto
      Pages: 1 - 4
      Abstract: Abstract Efficient trafficking of ubiquitinated receptors (cargo) to endosomes requires the recruitment of adaptor proteins that exhibit ubiquitin-binding domains for recognition and transport. Tom1 is an adaptor protein that not only associates with ubiquitinated cargo but also represents a phosphoinositide effector during specific bacterial infections. This phosphoinositide-binding property is associated with its N-terminal Vps27, Hrs, STAM (VHS) domain. Despite its biological relevance, there are no resonance assignments of Tom1 VHS available that can fully characterize its molecular interactions. Here, we report the nearly complete 1H, 15N, and 13C backbone resonance assignments of the VHS domain of human Tom1.
      PubDate: 2017-04-01
      DOI: 10.1007/s12104-016-9709-4
      Issue No: Vol. 11, No. 1 (2017)
  • 1 H, 15 N and 13 C resonance assignments for free and IEEVD peptide-bound
           forms of the tetratricopeptide repeat domain from the human E3 ubiquitin
           ligase CHIP
    • Authors: Huaqun Zhang; Cameron McGlone; Matthew M. Mannion; Richard C. Page
      Pages: 5 - 9
      Abstract: Abstract The ubiquitin ligase CHIP catalyzes covalent attachment of ubiquitin to unfolded proteins chaperoned by the heat shock proteins Hsp70/Hsc70 and Hsp90. CHIP interacts with Hsp70/Hsc70 and Hsp90 by binding of a C-terminal IEEVD motif found in Hsp70/Hsc70 and Hsp90 to the tetratricopeptide repeat (TPR) domain of CHIP. Although recruitment of heat shock proteins to CHIP via interaction with the CHIP-TPR domain is well established, alterations in structure and dynamics of CHIP upon binding are not well understood. In particular, the absence of a structure for CHIP-TPR in the free form presents a significant limitation upon studies seeking to rationally design inhibitors that may disrupt interactions between CHIP and heat shock proteins. Here we report the 1H, 13C, and 15N backbone and side chain chemical shift assignments for CHIP-TPR in the free form, and backbone chemical shift assignments for CHIP-TPR in the IEEVD-bound form. The NMR resonance assignments will enable further studies examining the roles of dynamics and structure in regulating interactions between CHIP and the heat shock proteins Hsp70/Hsc70 and Hsp90.
      PubDate: 2017-04-01
      DOI: 10.1007/s12104-016-9710-y
      Issue No: Vol. 11, No. 1 (2017)
  • Backbone and methyl resonance assignments of the 42 kDa human Hsc70
           nucleotide binding domain in the ADP state
    • Authors: Erik R. P. Zuiderweg; Jason E. Gestwicki
      Pages: 11 - 15
      Abstract: Abstract Hsc70 is the constitutively expressed mammalian heat shock 70 kDa (Hsp70) cytosolic chaperone. It plays a central role in cellular proteostasis and protein trafficking. Here, we present the backbone and methyl group assignments for the 386-residue nucleotide binding domain of the human protein. This domain controls the chaperone’s allostery, binds multiple co-chaperones and is the target of several classes of known chemical Hsp70 inhibitors. The NMR assignments are based on common triple resonance experiments with triple labeled protein, and on several 15N and 13C-resolved 3D NOE experiments with methyl-reprotonated samples. A combination of computer and manual data interpretation was used.
      PubDate: 2017-04-01
      DOI: 10.1007/s12104-016-9711-x
      Issue No: Vol. 11, No. 1 (2017)
  • Backbone and side-chain resonance assignments of Plasmodium falciparum
    • Authors: Jai Shankar Singh; Vaibhav Kumar Shukla; Mansi Gujrati; Ram Kumar Mishra; Ashutosh Kumar
      Pages: 17 - 20
      Abstract: Abstract One of the most debilitating diseases Malaria, in its different forms, is caused by protozoan of Plasmodium species. Deadliest among these forms is the “cerebral malaria” which is afflicted upon by Plasmodium falciparum. Plasmodium adopts numerous strategies including various post-translational modifications (PTMs) to infect and survive in the human host. These PTMs have proven their critical requirement in the Plasmodium biology. Recently, sumoylation has been characterized as one of the important PTMs and many of its putative substrates have been identified in Plasmodium. Sumoylation is the covalent attachment of SUMO protein to the substrate protein, which is mediated by an enzyme cascade involving activating (E1), conjugating (E2), and ligating enzymes (E3). Here, we report resonance assignment for 1H, 13C and 15N of Plasmodium falciparum SUMO (Pf-SUMO) protein determined by various 2D and 3D heteronuclear NMR experiments along with predicted secondary structures.
      PubDate: 2017-04-01
      DOI: 10.1007/s12104-016-9712-9
      Issue No: Vol. 11, No. 1 (2017)
  • NMR assignments of the GacS histidine-kinase periplasmic detection domain
           from Pseudomonas aeruginosa PAO1
    • Authors: Ahmad Ali-Ahmad; Olivier Bornet; Firas Fadel; Yves Bourne; Florence Vincent; Christophe Bordi; Françoise Guerlesquin; Corinne Sebban-Kreuzer
      Pages: 25 - 28
      Abstract: Abstract Pseudomonas aeruginosa is a highly adaptable opportunistic pathogen. It can infect vulnerable patients such as those with cystic fibrosis or hospitalized in intensive care units where it is responsible for both acute and chronic infection. The switch between these infections is controlled by a complex regulatory system involving the central GacS/GacA two-component system that activates the production of two small non-coding RNAs. GacS is a histidine kinase harboring one periplasmic detection domain, two inner-membrane helices and three H1/D1/H2 cytoplasmic domains. By detecting a yet unknown signal, the GacS histidine-kinase periplasmic detection domain (GacSp) is predicted to play a key role in activating the GacS/GacA pathway. Here, we present the chemical shift assignment of 96 % of backbone atoms (HN, N, C, Cα, Cβ and Hα), 88 % aliphatic hydrogen atoms and 90 % of aliphatic carbon atoms of this domain. The NMR-chemical shift data, on the basis of Talos server secondary structure predictions, reveal that GacSp consists of 3 β-strands, 3 α-helices and a major loop devoid of secondary structures.
      PubDate: 2017-04-01
      DOI: 10.1007/s12104-016-9714-7
      Issue No: Vol. 11, No. 1 (2017)
  • NMR resonance assignments for the tetramethylrhodamine binding RNA aptamer
           3 in complex with the ligand 5-carboxy-tetramethylrhodamine
    • Authors: Elke Duchardt-Ferner; Michael Juen; Christoph Kreutz; Jens Wöhnert
      Pages: 29 - 34
      Abstract: Abstract RNA aptamers are used in a wide range of biotechnological or biomedical applications. In many cases the high resolution structures of these aptamers in their ligand-complexes have revealed fundamental aspects of RNA folding and RNA small molecule interactions. Fluorescent RNA-ligand complexes in particular find applications as optical sensors or as endogenous fluorescent tags for RNA tracking in vivo. Structures of RNA aptamers and aptamer ligand complexes constitute the starting point for rational function directed optimization approaches. Here, we present the NMR resonance assignment of an RNA aptamer binding to the fluorescent ligand tetramethylrhodamine (TMR) in complex with the ligand 5-carboxy-tetramethylrhodamine (5-TAMRA) as a starting point for a high-resolution structure determination using NMR spectroscopy in solution.
      PubDate: 2017-04-01
      DOI: 10.1007/s12104-016-9715-6
      Issue No: Vol. 11, No. 1 (2017)
  • Backbone 1 H, 13 C, and 15 N NMR resonance assignments of the
           Krüppel-like factor 4 activation domain
    • Authors: Brigid S. Conroy; Emma R. Weiss; Steven P. Smith; David N. Langelaan
      Abstract: Abstract Krüppel-like factor 4 (KLF4) is a transcription factor involved in diverse biological processes, including development, cellular differentiation and proliferation, and maintenance of tissue homeostasis. KLF4 has also been associated with disease states, such as cardiovascular disease and several cancers. KLF4 contains an activation domain, repression domain, and a structurally characterized C-terminal zinc finger domain that mediates its binding to DNA. The structurally uncharacterized KLF4 activation domain is critical for transactivation by KLF4 and mediates its binding to the transcriptional coactivator CBP/p300. Here, we report the 1H, 15N, 13CO, 13Cα and 13Cβ NMR chemical shift assignments of KLF41–130, which contains the KLF4 activation domain. Narrow chemical shift dispersion in the 1H dimension of the 1H-15N HSQC spectrum suggests that the KLF41–130 fragment is intrinsically disordered.
      PubDate: 2017-02-28
      DOI: 10.1007/s12104-017-9727-x
  • 1 H, 13 C, 15 N backbone assignment of the human heat-labile enterotoxin
           B-pentamer and chemical shift mapping of neolactotetraose binding
    • Authors: Daniel Hatlem; Julie E. Heggelund; Daniel Burschowsky; Ute Krengel; Per E. Kristiansen
      Abstract: Abstract The major virulence factor of enterotoxigenic Escherichia coli is the heat-labile enterotoxin (LT), an AB5 toxin closely related to the cholera toxin. LT consists of six subunits, the catalytically active A-subunit and five B-subunits arranged as a pentameric ring (LTB), which enable the toxin to bind to the epithelial cells in the intestinal lumen. LTB has two recognized binding sites; the primary binding site is responsible for anchoring the toxin to its main receptor, the GM1-ganglioside, while the secondary binding site recognizes blood group antigens. Herein, we report the 1H, 13C, 15N main chain assignment of LTB from human isolates (hLTB; 103 a.a. per subunit, with a total molecular mass of 58.5 kDa). The secondary structure was predicted based on 13C′, 13Cα, 13Cβ, 1HN and 15N chemical shifts and compared to a published crystal structure of LTB. Neolactotetraose (NEO) was titrated to hLTB and chemical shift perturbations were measured. The chemical shift perturbations were mapped onto the crystal structure, confirming that NEO binds to the primary binding site of hLTB and competes with GM1-binding. Our new data further lend support to the hypothesis that binding at the primary binding site is transmitted to the secondary binding site of the toxin, where it may influence the binding to blood group antigens.
      PubDate: 2017-02-27
      DOI: 10.1007/s12104-017-9728-9
  • 1 H, 13 C and 15 N backbone chemical shift assignments of camelid
           single-domain antibodies against active state µ-opioid receptor
    • Authors: Remy Sounier; Yinshan Yang; Joanna Hagelberger; Sébastien Granier; Hélène Déméné
      Abstract: Abstract Nanobodies are single chain antibodies that have become a highly valuable and versatile tool for biomolecular and therapeutic research. One application field is the stabilization of active states of flexible proteins, among which G-protein coupled receptors represent a very important class of membrane proteins. Here we present the backbone and side-chain assignment of the 1H, 13C and 15N resonances of Nb33 and Nb39, two nanobodies that recognize and stabilize the µ-opioid receptor to opioids in its active agonist-bound conformation. In addition, we present a comparison of their secondary structures as derived from NMR chemical shifts.
      PubDate: 2017-02-26
      DOI: 10.1007/s12104-017-9733-z
  • NMR resonance assignments of the FKBP domain of human aryl hydrocarbon
           receptor-interacting protein-like 1 (AIPL1) in complex with a farnesyl
    • Authors: Liping Yu; Ravi P. Yadav; Nikolai O. Artemyev
      Abstract: Abstract Aryl hydrocarbon receptor-interacting protein-like 1 (AIPL1) is a specialized chaperone of phosphodiesterase 6, a key effector enzyme in the phototransduction cascade. The FKBP domain of AIPL1 is known to bind the farnesyl moiety of PDE6. Mutations in AIPL1, including many missense mutations in the FKBP domain, have been associated with Leber congenital amaurosis, a severe blinding disease. Here, we report the backbone and sidechain assignments of the N-terminal FKBPΔloop (with a loop deletion) of AIPL1 in complex with a farnesyl ligand. We also compare the predicted secondary structures of FKBPΔloop with those of a highly homologous AIP FKBP. These results show that the FKBP domains of AIP and AIPL1 have similar folds, but display subtle differences in structure and dynamics. Therefore, these assignments provide a framework for further elucidation of the mechanism of farnesyl binding and the function of AIPL1 FKBP.
      PubDate: 2017-02-24
      DOI: 10.1007/s12104-017-9730-2
  • 1 H, 13 C and 15 N backbone and side-chain resonance assignments of the
           ZnF-UBP domain of USP20/VDU2
    • Authors: Yuanyuan Yang; Yi Wen; Naixia Zhang
      Abstract: Abstract Deubiquitinase USP20/VDU2 has been identified as a regulator of multiple proteins including hypoxia-inducible factor (HIF)-1α, β2-adrenergic receptor, and tumor necrosis factor receptor associated factor 6 etc. It contains four structural domains, including an N-terminal zinc-finger ubiquitin binding domain (ZnF-UBP) that potentially helps USP20 to recruit its ubiquitin substrates. Here we report the 1H, 13C and 15N backbone and side-chain resonance assignments of the ZnF-UBP domain of USP20/VDU2. The BMRB accession number is 26901. The secondary structural elements predicted from the NMR data reveal a global fold consisting of three α-helices and four β-strands. The complete assignments can be used to explore the protein dynamics of the USP20 ZnF-UBP and its interactions with monoubiquitin and ubiquitin chains.
      PubDate: 2017-01-13
      DOI: 10.1007/s12104-017-9726-y
  • NMR assignments and ligand-binding studies on a two-domain family GH19
           chitinase allergen from Japanese cedar ( Cryptomeria japonica ) pollen
    • Authors: Tomoya Takashima; Takayuki Ohnuma; Tamo Fukamizo
      Abstract: Abstract A two-domain family GH19 chitinase from Japanese cedar (Cryptomeria japonica) pollen, CJP-4, which consists of an N-terminal CBM18 domain and a GH19 catalytic domain, is known to be an important allergen, that causes pollinosis. We report here the resonance assignments of the NMR spectrum of CJP-4. The backbone resonances were almost completely assigned, and the secondary structure was estimated based on the chemical shift values. The addition of a chitin dimer to the enzyme solution perturbed the chemical shifts of the resonances of amino acid residues forming a long extended binding site spanning from the CBM18 domain to the GH19 catalytic domain.
      PubDate: 2016-12-28
      DOI: 10.1007/s12104-016-9725-4
  • Backbone resonance assignments of monomeric SOD1 in dilute and crowded
    • Authors: Naoto Iwakawa; Daichi Morimoto; Erik Walinda; Kenji Sugase; Masahiro Shirakawa
      Abstract: Abstract Amyotrophic lateral sclerosis (ALS) is a fatal neurodegenerative disease that leads to movement disorders. In motor neurons of ALS patients, intracellular aggregates of superoxide dismutase 1 (SOD1) have often been observed. To elucidate the aggregation mechanism, it is important to analyze the folding equilibrium of SOD1 between folded and aggregation-prone unfolded states. However, in most cases, this folding equilibrium has been studied in dilute solution even though the aggregate formation occurs in a highly crowded intracellular environment. Indeed, a recent study reported that the folding stability of SOD1 decreased in an environment containing protein crowder molecules. To understand such a destabilization effect due to protein crowders, it is necessary to obtain more precise structural information on SOD1 in the presence of protein crowders. Here, we report the 1H, 13C, and 15N backbone resonance assignments of monomeric SOD1 in the absence and presence of the protein crowder lysozyme. The chemical shift differences caused by addition of lysozyme suggest that SOD1 associated with lysozyme via negatively charged surfaces. Based on the assigned chemical shifts, the presence of lysozyme has a limited influence on the secondary structure of SOD1. We anticipate that our assignments will provide an important basis for elucidation of the crowding-induced folding destabilization of SOD1.
      PubDate: 2016-12-26
      DOI: 10.1007/s12104-016-9724-5
  • 13 C and 15 N chemical shift assignments of mammalian Y145Stop prion
           protein amyloid fibrils
    • Authors: Theint Theint; Philippe S. Nadaud; Krystyna Surewicz; Witold K. Surewicz; Christopher P. Jaroniec
      Abstract: Abstract The Y145Stop prion protein (PrP23-144), which has been linked to the development of a heritable prionopathy in humans, is a valuable in vitro model for elucidating the structural and molecular basis of amyloid seeding specificities. Here we report the sequential backbone and side-chain 13C and 15N assignments of mouse and Syrian hamster PrP23-144 amyloid fibrils determined by using 2D and 3D magic-angle spinning solid-state NMR. The assigned chemical shifts were used to predict the secondary structures for the core regions of the mouse and Syrian hamster PrP23-144 amyloids, and the results compared to those for human PrP23-144 amyloid, which has previously been analyzed by solid-state NMR techniques.
      PubDate: 2016-12-21
      DOI: 10.1007/s12104-016-9723-6
  • 1 H, 13 C and 15 N NMR assignments of an unusual Ca 2+ -binding protein
           from Entamoeba histolytica in its apo form
    • Authors: Deepshikha Verma; Mutyala Sakuntala; Aruna Murmu; Alok Bhattacharya; Kandala V. R. Chary
      Abstract: Abstract We report almost complete sequence specific 1H, 13C and 15N NMR assignments of an unusual Ca2+-binding protein from Entamoeba histolytica (EhCaBP6) in its apo form as a prelude to its structural and functional characterization.
      PubDate: 2016-12-19
      DOI: 10.1007/s12104-016-9721-8
  • 1 H, 15 N, 13 C backbone resonance assignments of human soluble catechol O
           -methyltransferase in complex with S -adenosyl- l -methionine and
    • Authors: Sylwia Czarnota; Nicola J. Baxter; Matthew J. Cliff; Jonathan P. Waltho; Nigel S. Scrutton; Sam Hay
      Abstract: Abstract Catechol O-methyltransferase (COMT) is an enzyme that plays a major role in catechol neurotransmitter deactivation. Inhibition of COMT can increase neurotransmitter levels, which provides a means of treatment for Parkinson’s disease, schizophrenia and depression. COMT exists as two isozymes: a soluble cytoplasmic form (S-COMT), expressed in the liver and kidneys and a membrane-bound form (MB-COMT), found mostly in the brain. Here we report the backbone 1H, 15N and 13C chemical shift assignments of S-COMT in complex with S-adenosyl-l-methionine, 3,5-dinitrocatechol and Mg2+. Assignments were obtained by heteronuclear multidimensional NMR spectroscopy. In total, 97 % of all backbone resonances were assigned in the complex, with 205 out of a possible 215 residues assigned in the 1H-15N TROSY spectrum. Prediction of solution secondary structure from a chemical shift analysis using the TALOS+ webserver is in good agreement with published X-ray crystal structures.
      PubDate: 2016-12-15
      DOI: 10.1007/s12104-016-9720-9
  • Backbone chemical shift assignments and secondary structure analysis of
           the U1 protein from the Bas-Congo virus
    • Authors: Garry W. Buchko; Matthew C. Clifton; Ellen G. Wallace; Kateri A. Atkins; Peter J. Myler
      Abstract: Abstract The Bas-Congo virus (BASV) is the first rhabdovirus associated with a human outbreak of acute hemorrhagic fever. The single-stranded, negative-sense RNA genome of BASV contains the five core genes present in all rhabdoviral genomes plus an additional three genes, annotated U1, U2, and U3, with weak (<21%) sequence similarity only to a handful of genes observed in a few other rhabdoviral genomes. The function of the rhabdoviral U proteins is unknown, but, they are hypothesized to play a role in viral infection or replication. To better understand this unique family of proteins, a construct containing residues 27–203 of the 216-residue U1 protein (BASV-U1*) was prepared. By collecting data in 0.5 M urea it was possible to eliminate transient association enough to enable the assignment of most of the observable 1HN, 1Hα, 15N, 13Cα, 13Cβ, and 13C´ chemical shifts for BASV-U1* that will provide a foundation to study its solution properties. The analyses of these chemical shifts along with 15N-edited NOESY data enabled the identification of the elements of secondary structure present in BASV-U1*.
      PubDate: 2016-12-15
      DOI: 10.1007/s12104-016-9719-2
  • Backbone resonance assignments of the F-actin binding domain of mouse
    • Abstract: Abstract α-Catenin is a filamentous actin (F-actin) binding protein that links the classical cadherin–catenin complex to the actin cytoskeleton at adherens junctions (AJs). Its C-terminal F-actin binding domain is required for regulating the dynamic interaction between AJs and the actin cytoskeleton during tissue development. Thus, obtaining the molecular details of this interaction is a crucial step towards understanding how α-catenin plays critical roles in biological processes, such as morphogenesis, cell polarity, wound healing and tissue maintenance. Here we report the backbone atom (1HN, 15N, 13Cα, 13Cβ and 13C′) resonance assignments of the C-terminal F-actin binding domain of αN-catenin.
      PubDate: 2016-11-01
      DOI: 10.1007/s12104-016-9713-8
  • NMR assignments for the insertion domain of bacteriophage Sf6 coat protein
    • Abstract: Abstract The P22 bacteriophage group is a subgroup of the λ phage supercluster, comprised of the three major sequence types Sf6, P22, and CUS-3, based on their capsid proteins. Our goal is to investigate the extent to which structure–function relationships are conserved for the viral coat proteins and I-domains in this subgroup. Sf6 is a phage that infects the human pathogen Shigella flexneri. The coat protein of Sf6 assembles into a procapsid, which further undergoes maturation during DNA packaging into an infectious virion. The Sf6 coat protein contains a genetically inserted domain, termed the I-domain, similar to the ones present in the P22 and CUS-3 coat proteins. Based on the P22 example, I-domains play important functional roles in capsid assembly, stability, viability, and size-determination. Here we report the 1H, 15N, and 13C chemical shift assignments for the I-domain of the Sf6 phage coat protein. Chemical shift-based secondary structure prediction and hydrogen-bond patterns from a long-range HNCO experiment indicate that the Sf6 I-domain adopts a 6-stranded β-barrel fold like those of P22 and CUS-3 but with important differences, including the absence of the D-loop that is critical for capsid assembly and the addition of a novel disordered loop region.
      PubDate: 2016-10-31
      DOI: 10.1007/s12104-016-9716-5
  • Backbone assignment of the binary complex of the full length Sulfolobus
           solfataricus DNA polymerase IV and DNA
    • Authors: Eunjeong Lee; Jason D. Fowler; Zucai Suo; Zhengrong Wu
      Abstract: Abstract Sulfolobus solfataricus DNA polymerase IV (Dpo4), a model Y-family DNA polymerase, bypasses a wide range of DNA lesions in vitro and in vivo. In this paper, we report the backbone chemical shift assignments of the full length Dpo4 in its binary complex with a 14/14-mer DNA substrate. Upon DNA binding, several β-stranded regions in the isolated catalytic core and little finger/linker fragments of Dpo4 become more structured. This work serves as a foundation for our ongoing investigation of conformational dynamics of Dpo4 and future determination of the first solution structures of a DNA polymerase and its binary and ternary complexes.
      PubDate: 2016-10-13
      DOI: 10.1007/s12104-016-9717-4
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