Results 91 to 100 of about 576,288 (258)

1,2-Ethylenediaminium bis(2-benzamidobenzoate)

open access: yesActa Crystallographica Section E, 2013
In the title salt, C2H10N22+·2C14H10NO3−, the ethylenediaminium dication lies on an inversion centre. In the anion, the benzene rings make a dihedral angle of 33.87 (9)° and intramolecular N—H...O and C—H...O hydrogen ...
Mavlonbek Ziyaev   +3 more
doaj   +1 more source

First Order Temperature Dependent Phase Transition in a Monoclinic Polymorph Crystal of 1,6-Hexanedioic Acid: An Interpretation Based on the Landau Theory Approach [PDF]

open access: yes, 2014
Crystals of 1,6-hexanedioic acid (I) undergo a temperature-dependent reversible phase transition from monoclinic P21/c at a temperature higher than the critical temperature (Tc) 130 K to another monoclinic P21/c at temperature lower than Tc.
Chantrapromma, Suchada   +2 more
core   +2 more sources

Molecular dynamics simulations of positively selected codons in FcγRI reveal novel biochemical binding properties

open access: yesFEBS Open Bio, EarlyView.
Evolutionary analysis across 32 placental mammals identified positive selection at residues H148 and W149 in the immune receptor FcγR1. Ancestral reconstruction combined with molecular dynamics simulations reveals how these mutations may influence receptor structure and dynamics, providing insight into the evolution of antibody recognition and immune ...
David A. Young   +7 more
wiley   +1 more source

Crystal structure of methyl (S)-2-{(R)-4-[(tert-butoxycarbonyl)amino]-3-oxo-1,2-thiazolidin-2-yl}-3-methylbutanoate: a chemical model for oxidized protein tyrosine phosphatase 1B (PTP1B)

open access: yesActa Crystallographica Section E: Crystallographic Communications, 2015
The asymmetric unit of the title compound, C14H24N2O5S, contains two independent molecules (A and B). In each molecule, the isothiazolidin-3-one ring adopts an envelope conformation with the methylene C atom as the flap.
Kasi Viswanatharaju Ruddraraju   +3 more
doaj   +1 more source

Site selectivity of halogen oxygen bonding in 5- and 6-haloderivatives of uracil [PDF]

open access: yes, 2019
Seven 5-and 6-halogenated derivatives of uracil or 1-methyluracil (halogen = Cl, Br, I) were studied by single crystal X-ray diffraction. In contrast with pure 5-halouracils, where the presence of N-H…O and C-H…O hydrogen bonds prevents the formation ...
Portalone, Gustavo
core   +1 more source

Sudden anaerobization in Amphibacillus xylanus increases intracellular labile ferrous iron and inhibits cell growth

open access: yesFEBS Open Bio, EarlyView.
Abruptly changing from aerobic to anaerobic conditions (sudden anaerobization) induced growth inhibition and a significant increase in intracellular labile ferrous iron in the aerotolerant anaerobe Amphibacillus xylanus. We found that free flavins mediate efficient electron transfer from NADH to ferric iron under anaerobic conditions, suggesting that ...
Shinya Kimata   +13 more
wiley   +1 more source

Cyclic azapeptide CD36 ligand attenuates cardiac injury and reduces long‐chain fatty acid accumulation after myocardial ischemia–reperfusion in mice

open access: yesFEBS Open Bio, EarlyView.
In a murine model of myocardial ischemia and reperfusion (MI/R), the CD36 azapeptide ligand MPE‐298 reduces cardiac injury and transiently lowers left ventricular long‐chain fatty acids (LCFAs) accumulation 3 h after reperfusion, accompanied by a decrease of oxidative stress and inflammation‐associated genes' expression in the heart and adipose tissue.
Jade Gauvin   +12 more
wiley   +1 more source

Ethyl 4-(4-chloroanilino)-1-(4-chlorophenyl)-2-methyl-5-oxo-2,5-dihydro-1H-pyrrole-2-carboxylate

open access: yesActa Crystallographica Section E, 2013
In the title compound, C20H18Cl2N2O3, the dihedral angles between the central 2,5-dihydro-1H-pyrrole ring and the phenyl rings are 74.87 (9) and 29.09 (9)°. Intramolecular N—H...O and C—H...O hydrogen bonds occur.
Mustafa R. Albayati   +4 more
doaj   +1 more source

Cutaneous Melanoma Drives Metabolic Changes in the Aged Bone Marrow Immune Microenvironment

open access: yesAging and Cancer, EarlyView.
Melanoma, the deadliest form of skin cancer, increasingly affects older adults. Our study reveals that melanoma induces changes in iron and lipid levels in the bone marrow, impacting immune cell populations and increasing susceptibility to ferroptosis.
Alexis E. Carey   +12 more
wiley   +1 more source

Methyl 2-allyl-4-hydroxy-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide

open access: yesActa Crystallographica Section E, 2009
In the title compound, C13H13NO5S, the thiazine ring adopts a distorted half-chair conformation. Intramolecular O—H...O and C—H...O hydrogen bonds give rise to two six-membered hydrogen bonded rings.
Islam Ullah Khan   +2 more
doaj   +1 more source

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