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Showing 1 to 12 of 214 entries
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The mechanism of the effect of U18666a on blocking the activity of 3β-hydroxysterol Δ-24-reductase (DHCR24): molecular dynamics simulation study and free energy analysis.

Journal of molecular modeling

Quan X, Chen X, Sun D, Xu B, Zhao L, Shi X, Liu H, Gao B, Lu X.
PMID: 26815033
J Mol Model. 2016 Feb;22(2):46. doi: 10.1007/s00894-016-2907-2. Epub 2016 Jan 27.

DHCR24 encodes 3β-hydroxysterol-Δ(24)-reductase (DHCR24) catalyzing the cholesterol synthesis from desmosterol using the flavin adenine dinucleotide (FAD) as a co-factor. It is generally accepted that U18666a inhibits the reductase activity of DHCR24, but the detailed mechanism remains elusive. To explore...

Characterisation of the flavin adenine dinucleotide binding region of .

Biochemistry and biophysics reports

Boateng MO, Corrigall AV, Sturrock E, Meissner PN.
PMID: 29124218
Biochem Biophys Rep. 2015 Oct 29;4:306-311. doi: 10.1016/j.bbrep.2015.10.006. eCollection 2015 Dec.

Protoporphyrinogen oxidase (PPOX), the penultimate enzyme in the haem biosynthetic pathway catalysers the six electron oxidation of protoporphyrinogen-IX to protoporphyrin-IX, in the presence of flavin adenine dinucleotide (FAD) and oxygen. In humans, partial defects in PPOX result in variegate...

Application of Negative Curvature Hollow-Core Fiber in an Optical Fiber Sensor Setup for Multiphoton Spectroscopy.

Sensors (Basel, Switzerland)

Popenda MA, Stawska HI, Mazur LM, Jakubowski K, Kosolapov A, Kolyadin A, Bereś-Pawlik E.
PMID: 28984838
Sensors (Basel). 2017 Oct 06;17(10). doi: 10.3390/s17102278.

In this paper, an application of negative curvature hollow core fiber (NCHCF) in an all-fiber, multiphoton fluorescence sensor setup is presented. The dispersion parameter (D) of this fiber does not exceed the value of 5 ps/nm × km across...

Interdomain flip-flop motion visualized in flavocytochrome cellobiose dehydrogenase using high-speed atomic force microscopy during catalysis.

Chemical science

Harada H, Onoda A, Uchihashi T, Watanabe H, Sunagawa N, Samejima M, Igarashi K, Hayashi T.
PMID: 28989682
Chem Sci. 2017 Sep 01;8(9):6561-6565. doi: 10.1039/c7sc01672g. Epub 2017 Aug 03.

Cellobiose dehydrogenase (CDH) is a dual domain flavocytochrome, which consists of a dehydrogenase (DH) domain containing a flavin adenine dinucleotide and a cytochrome (CYT) domain containing

Energy and Potassium Ion Homeostasis during Gamma Oscillations.

Frontiers in molecular neuroscience

Kann O, Hollnagel JO, Elzoheiry S, Schneider J.
PMID: 27378847
Front Mol Neurosci. 2016 Jun 16;9:47. doi: 10.3389/fnmol.2016.00047. eCollection 2016.

Fast neuronal network oscillations in the gamma frequency band (30-100 Hz) occur in various cortex regions, require timed synaptic excitation and inhibition with glutamate and GABA, respectively, and are associated with higher brain functions such as sensory perception, attentional...

Pathological changes in platelet histamine oxidases in atopic eczema.

Mediators of inflammation

Kiehl R, Ionescu G.
PMID: 18475554
Mediators Inflamm. 1993;2(6):403-6. doi: 10.1155/S0962935193000560.

Increased plasma histamine levels were associated with significantly lowered diamine and type B monoamine oxidase activities in platelet-rich plasma of atopic eczema (AE) patients. The diamine oxidase has almost normal cofactor levels (pyridoxal phosphate and Cu(2+)) but the cofactor...

Expression in Escherichia coli of Cytochrome c Reductase Activity from a Maize NADH:Nitrate Reductase Complementary DNA.

Plant physiology

Campbell WH.
PMID: 16668941
Plant Physiol. 1992 Jun;99(2):693-9. doi: 10.1104/pp.99.2.693.

A cDNA clone was isolated from a maize (Zea mays L. cv W64AxW183E) scutellum lambdagt11 library using maize leaf NADH:nitrate reductase Zmnr1 cDNA clone as a hybridization probe; it was designated Zmnr1S. Zmnr1S was shown to be an NADH:nitrate...

The return of the Scarlet Pimpernel: cobalamin in inflammation II - cobalamins can both selectively promote all three nitric oxide synthases (NOS), particularly iNOS and eNOS, and, as needed, selectively inhibit iNOS and nNOS.

Journal of nutritional & environmental medicine

Wheatley C.
PMID: 18836533
J Nutr Environ Med. 2007 Sep;16(3):181-211. doi: 10.1080/10520290701791839.

The up-regulation of transcobalamins [hitherto posited as indicating a central need for cobalamin (Cbl) in inflammation], whose expression, like inducible nitric oxide synthase (iNOS), is Sp1- and interferondependent, together with increased intracellular formation of glutathionylcobalamin (GSCbl), adenosylcobalamin (AdoCbl), methylcobalamin...

Biosynthesis of phenolic compounds in first internodes of sorghum: lignin and related products.

Plant physiology

Stafford HA.
PMID: 16656525
Plant Physiol. 1967 Mar;42(3):450-5. doi: 10.1104/pp.42.3.450.

Lignin biosynthesis in excised tissues of Sorghum vulgare variety Wheatland milo incubated in air with and without prior infiltration with H(2)O was presumably limited by H(2)O(2) production and was dependent upon an endogenous substrate, probably starch. In solution culture...

The Flavin Content of Clovers Relative to Symbiosis with a Riboflavin-requiring Mutant of Rhizobium trifoli.

Plant physiology

Pankhurst CE.
PMID: 16658676
Plant Physiol. 1974 Feb;53(2):198-205. doi: 10.1104/pp.53.2.198.

A riboflavin-requiring auxotroph of Rhizobium trifolii (T1/D-his(r)-15) formed ineffective root nodules on red clover and on two cultivars of subterranean clover, but produced almost fully effective nodules on several other cultivars of subterranean clover. Fluorescence and bioassay measurements of...

A Poly(amphiphilic pyrrole)-Flavin Reductase Electrode for Amperometric Determination of Flavins.

Analytical chemistry

Cosnier S, Fontecave M, Limosin D, Nivière V.
PMID: 21639330
Anal Chem. 1997 Aug 01;69(15):3095-9. doi: 10.1021/ac961041+.

The electropolymerization of a flavin reductase-amphiphilic pyrrole ammonium mixture previously adsorbed on the electrode surface provides the efficient entrapment of the enzyme in a functionalized polypyrrole film. The enzyme film was characterized and applied to the detection of several...

Effects of electrolyte and pH on the behavior of cross-linked films of ferrocene-modified poly(ethylenimine).

Langmuir : the ACS journal of surfaces and colloids

Merchant SA, Glatzhofer DT, Schmidtke DW.
PMID: 17902716
Langmuir. 2007 Oct 23;23(22):11295-302. doi: 10.1021/la701521s. Epub 2007 Sep 29.

Ferrocene redox polymers based on the coupling of ferrocenecarboxaldehyde to both linear and branched poly(ethylenimine) (PEI) have been prepared to investigate the effects of pH, electrolyte, and cross-linking on electron charge transport and film swelling. The redox behavior of...

Showing 1 to 12 of 214 entries