Articles with "crystal structures" as a keyword



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Crystal structures of a nicotine MATE transporter provide insight into its mechanism of substrate transport

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Published in 2021 at "FEBS Letters"

DOI: 10.1002/1873-3468.14136

Abstract: A transporter of the multidrug and toxic compound extrusion (MATE) family, Nicotiana tabacum MATE2 (NtMATE2), is located in the vacuole membrane of the tobacco plant root and is involved in the transportation of nicotine, a… read more here.

Keywords: transporter provide; mate transporter; crystal structures; nicotine mate ... See more keywords

Crystal Structures and Corrosion Inhibitions of Three Cobalt Complexes of Terephthalate Anion and Bis‐Nitrogen Donor Ligands

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Published in 2025 at "Applied Organometallic Chemistry"

DOI: 10.1002/aoc.70025

Abstract: Three Co(II) complexes of terephthalate anion containing 1,10‐phenanthroline (phen) or 2,2′‐bipyridine (2,2′‐bipy), are prepared. The structures of dimeric [Co2(H2O)4(μ‐H2O)2(phen)2]4+·2(C8H4O42−), 1, and the polymeric [Co2(H2O)2(phen)2(μ‐C8H4O4)2]n, 2, complexes were confirmed by single crystal structure determination. Both complexes… read more here.

Keywords: terephthalate anion; steel; corrosion; complexes terephthalate ... See more keywords

Crystal Structures and Biological Profiles of Novel Tridentate Schiff Bases Nickel (II) Complexes

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Published in 2024 at "Applied Organometallic Chemistry"

DOI: 10.1002/aoc.7860

Abstract: Novel bioactive ternary nickel (II) complexes, [Ni(5BrSal‐Phe)(phen)] (1) and [Ni(5BrSal‐Tyr)(phen)] (2) (5BrSal‐Tyr: Schiff base derived from 5‐bromosalicylaldehyde and L‐tyrosine, 5BrSal‐Phe: Schiff base derived from 5‐bromosalicylaldehyde and L‐phenylalanine, phen: 1,10‐phenanthroline), have been synthesized and characterized by… read more here.

Keywords: nickel complexes; spectroscopy; schiff; structures biological ... See more keywords
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Crystal structures of peptidic catalysts of the H‐dPro‐Pro‐Xaa type

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Published in 2017 at "Peptide Science"

DOI: 10.1002/bip.22912

Abstract: Crystal structures of catalytically active tripeptides of the general type H‐dPro‐Pro‐Xaa and related N‐acetylated analogs were compared. The influence of acylation at the N‐terminus, the nature of the C‐terminal residue, coordinating groups, and intramolecular hydrogen… read more here.

Keywords: pro xaa; dpro pro; crystal structures; structures peptidic ... See more keywords
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Racemic and enantiopure forms of 3-ethyl-3-phenylpyrrolidin-2-one adopt very different crystal structures.

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Published in 2017 at "Chirality"

DOI: 10.1002/chir.22735

Abstract: 3-Ethyl-3-phenylpyrrolidin-2-one (EPP) is an experimental anticonvulsant based on the newly proposed α-substituted amide group pharmacophore. These compounds show robust activity in animal models of drug-resistant epilepsy and are thus promising for clinical development. In order… read more here.

Keywords: crystal structures; ethyl phenylpyrrolidin; enantiopure forms; phenylpyrrolidin one ... See more keywords

Biological Evaluation and X‐ray Co‐crystal Structures of Cyclohexylpyrrolidine Ligands for Trypanothione Reductase, an Enzyme from the Redox Metabolism of Trypanosoma

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Published in 2018 at "ChemMedChem"

DOI: 10.1002/cmdc.201800067

Abstract: The tropical diseases human African trypanosomiasis, Chagas disease, and the various forms of leishmaniasis are caused by parasites of the family of trypanosomatids. These protozoa possess a unique redox metabolism based on trypanothione and trypanothione… read more here.

Keywords: reductase; crystal structures; ray crystal; trypanothione reductase ... See more keywords

Discrete Supertetrahedral Tn Chalcogenido Clusters Synthesized in Ionic Liquids: Crystal Structures and Photocatalytic Activity.

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Published in 2020 at "ChemPlusChem"

DOI: 10.1002/cplu.202000639

Abstract: Discrete supertetrahedral Tn chalcogenido clusters, which can be regarded as the smallest semiconductor quantum dots with precise chemical composition, have attracted considerable attention due to their outstanding photoluminescent, photoelectric, and photo/electrocatalytic properties. Such discrete molecular… read more here.

Keywords: chalcogenido clusters; crystal structures; supertetrahedral chalcogenido; ionic liquids ... See more keywords

Di‐ and trioxides of triazolotetrazine: Computational prediction of crystal structures and estimation of physicochemical characteristics

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Published in 2022 at "Journal of Computational Chemistry"

DOI: 10.1002/jcc.26833

Abstract: Simulation of crystal structures of series 1(2)‐R‐1(2)H‐[1,2,3]triazolo[4,5‐e][1,2,3,4]tetrazine 5,7‐dioxides, 1,5,7‐trioxides, 4,6‐dioxides and 3,4,6‐trioxides was carried out using an original technique based on the method of atom‐atom potentials and quantum chemistry. The effect of the position of… read more here.

Keywords: chemistry; crystal structures; trioxides triazolotetrazine; triazolotetrazine computational ... See more keywords
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A theoretical NMR study of polymorphism in crystal structures of azoles and benzazoles

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Published in 2019 at "Magnetic Resonance in Chemistry"

DOI: 10.1002/mrc.4824

Abstract: The NMR chemical shifts of two azoles and one benzazole whose crystal structures present polymorphism have been computed using the GIPAW approach. 15N and 13C nuclei have been studied. Statistical analysis of the computed 13C… read more here.

Keywords: nmr study; chemical shifts; crystal structures; theoretical nmr ... See more keywords

Unraveling the Crystal Structures of Picolinic Acid Derivatives: Synthesis, Packing, Interactions, and Conformational Flexibility

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Published in 2025 at "ChemistryOpen"

DOI: 10.1002/open.202500197

Abstract: Picolinic acid and its derivatives are widely used as pendant arms in ligands for metal ion complexation, with possible biomedical applications, when exploited in the preparation of magnetic resonance imaging contrast agents and radioisotope labeling… read more here.

Keywords: derivatives synthesis; picolinic acid; structures picolinic; acid derivatives ... See more keywords

Crystal structures reveal that the sterically hindered pivaloyl‐cisProlyl amide bond is energetically frustrated

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Published in 2024 at "Peptide Science"

DOI: 10.1002/pep2.24337

Abstract: CisPro/transPro isomerism at the prolyl amide bond is a fundamental dynamism governing protein folding, structure, and functions. Since cisPro crystal structures are rare, the interactions influencing their structures are less understood, unlike transPro. Crystal data… read more here.

Keywords: pivaloyl cisprolyl; sterically hindered; amide bond; hindered pivaloyl ... See more keywords