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1 with strong reducing reagents such as sodium dithionite).
2 tered behavior of CHO-H466A with sulfite and dithionite.
3 l, and has a slowed heme a(3) reduction with dithionite.
4 tra that are distinct from those produced by dithionite.
5 hat could be reduced to the ferrous state by dithionite.
6 cannot be reduced by anaerobic additions of dithionite.
7 650 nm upon illumination in the presence of dithionite.
8 oderately sensitive to reduction with excess dithionite.
9 of product in the absence of electrons from dithionite.
10 A by pterin-free iNOS(heme) are derived from dithionite.
11 n be efficiently cleaved upon treatment with dithionite.
12 with enzyme-active sites in the presence of dithionite.
13 reduced species during titration with sodium dithionite.
14 f all three subunits, ATP, and the reductant dithionite.
15 influx pathway activated in the presence of dithionite.
16 by oxygen and reactivated by reduction with dithionite.
17 ompared with BCAs that were not treated with dithionite.
18 -nZVI) was sulfidated with either sulfide or dithionite.
19 llular membranes are relatively permeable to dithionite.
20 n of 3-nitrotyrosine to 3-aminotyrosine with dithionite.
21 leaflet of membranes that are impermeant to dithionite.
22 d by NADPH-cytochrome P450 reductase than by dithionite.
23 treating cells with sodium sulfite or sodium dithionite.
24 tions where the membrane is semipermeable to dithionite.
25 xperiments following the reduction of HAO by dithionite.
26 t phase requires more than one equivalent of dithionite.
27 of fluorescence intensity upon readdition of dithionite.
28 r leaflet probe with externally added sodium dithionite.
29 added to the Moco by treatment with Na2S and dithionite.
30 fit to establish the half-order reaction in dithionite.
31 of the visible chromophore upon addition of dithionite.
32 omplemented "FeMoco" in the presence of 2 mM dithionite.
33 es in the presence of Fe protein, MgATP, and dithionite.
34 n of the NifEN-associated precursor in 20 mM dithionite.
35 to paramagnetic forms by enzymatic donors or dithionite.
36 to paramagnetic forms by enzymatic donors or dithionite.
37 exposed to the hemoprotein reductant sodium dithionite (1 mmol/L) under N(2), there is a partial rev
40 CO2 in the presence of dithionite, or CS2 in dithionite accelerate CN- dissociation from this site.
44 incubations of the inactivated P450 2E1 with dithionite and CO resulted in a recovery of both the CO
46 y loaded protein is reduced both directly by dithionite and indirectly by the type 2 Cu (T2Cu) site v
48 ve titrations of CODH/ACS with CO and sodium dithionite and monitored the reaction by electron parama
49 avior of both enzyme forms on reduction with dithionite and NADPH, and the interaction of NADP+ with
54 rnative oxy-hemoglobin assay that eliminates dithionite and suggest that the efficacy of CO-RMs resul
55 scence spectra, titration behavior with both dithionite and sulfite, and preferential binding of the
56 quinol (O-quinol) generated by reduction by dithionite and the physiologically relevant aminoquinol
57 cofactor is cleaved only in the presence of dithionite and the substrate analogue trans-4,5-dehydrol
59 inol form that was generated by reduction by dithionite, and an N-quinol form that was generated by r
60 diferric cluster could be reduced by sodium dithionite, and the diferrous state was found to be stab
61 zyme could be regenerated in the presence of dithionite, and the reduced enzyme is resistant to inact
62 ition, ODQ-oxidized sGC can be re-reduced by dithionite, and this re-reduced sGC has identical NO-sti
64 e next reduced to aminotyrosines with sodium dithionite, and-at pH 5.0-cleavable biotin tags were sel
69 that sZVI made from one-pot synthesis using dithionite as sulfur precursor consists of an Fe(0) core
74 -quinol and O-semiquinone forms of MADH with dithionite, as well as an N-semiquinone form which conta
77 s containing SAM, BChlide c or d, and sodium dithionite, BciD catalyzed the conversion of SAM into 5'
79 nzyme cannot convert to the Cred2 form using dithionite, but pretreatment with CO or CO2/dithionite e
80 radical can add to the [4Fe-4S] cluster and dithionite can be used to trap radicals at the active si
82 PS I, reduction of F(A) and F(B) with sodium dithionite causes a approximately 30% increase in the am
83 ant strategy to characterize Fe plaque using dithionite-citrate-bicarbonate (DCB) extraction and elem
85 ore, the rate of reaction was independent of dithionite concentration, indicating that dithionite doe
88 ption, estimates of quinone content based on dithionite consumption by the HS under anoxic conditions
89 de leaves most of the nZVI as Fe(0), whereas dithionite converts a majority of the nZVI to FeS (thus
91 e wild-type protein and is reduced by sodium dithionite, demonstrating that it is a flavin-binding do
92 ytochrome P450 3A4 (CYP3A4), the kinetics of dithionite-dependent reduction was studied in solution,
96 of dithionite concentration, indicating that dithionite does not reduce nitrite to nitric oxide direc
97 tylene-reduction reactions using Ti(III) and dithionite (DT) as reductants were examined and compared
99 e protein), ATP, and an exogenous reductant (dithionite, DT), as with N2 and known alternative substr
101 ox per Av1 can accumulate in the presence of dithionite during catalysis, suggesting that the convers
102 dithionite, but pretreatment with CO or CO2/dithionite effectively "cures" such batches of this disa
103 f directly reducing the flavin cofactor, but dithionite eliminated the FMN peaks, indicating successf
104 sulfidation for this purpose (using sulfide, dithionite, etc.) is the main topic of this review, but
105 ss trimethylamine, but not by reduction with dithionite, even at high pH or in the presence of the ef
106 (N2-equilibrated solution containing 0.5 mM dithionite) evoked exocytosis from type I cells when ext
108 ins 18.6 mol Fe/mol and, upon reduction with dithionite, exhibits an unusually strong S = 1/2 EPR sig
112 educed to 3-aminotyrosine (3AT) using sodium dithionite followed by derivatization of light and heavy
113 tivated samples that were first reduced with dithionite for 1 h prior to CO exposure recovered their
114 signal as prepared but, after reduction with dithionite, gave an electron paramagnetic resonance sign
115 ents to the 5'-deazaFAD T491V reductase from dithionite generated a stoichiometric amount of the FMN
117 at the two-electron level by NADPH, NADH or dithionite generates the same spectral species, consiste
118 treatment of the reconstituted protein with dithionite gives rise to an axial EPR spectrum, displayi
120 rmal stability upon reduction of copper with dithionite identified transitions resulting from the unf
121 ously been shown that reduction of BioB with dithionite in 60% ethylene glycol produces one [4Fe-4S](
123 n studies show that anaerobic reduction with dithionite in the presence of 60% (v/v) ethylene glycol
124 in is completely bleached instantaneously by dithionite in the presence of atmospheric oxygen, which
126 at when a HbRC core is incubated with sodium dithionite in the presence of light, the 15 ms charge re
136 emodin hydroquinone, for example with sodium dithionite, is obligatory for the enzymatic reduction by
137 duction of the ferric-NO species with sodium dithionite led to the formation of two spectrally distin
138 eaction requires an ATP-regenerating system, dithionite, molybdate, homocitrate, and at least NifB-co
139 azine-1,1-dioxides in the presence of sodium dithionite (Na(2)S(2)O(4)) is reported under mild condit
141 d when [Ca2+]o was doubled.Hypoxia by sodium dithionite (Na2S2O4) induced large [Ca2+]i increases in
142 ion of the Hox sample with 100% H2 or sodium dithionite (NaDT) nearly eliminated the 2.1 signal, whic
144 nding domain resulted in extracts possessing dithionite-nitrite reductase activity but no NADPH-nitri
154 ns show that approximately 1 equiv of sodium dithionite or NADPH is required to fully reduce C135S-C3
155 anges occur on CYP51 reduction (using either dithionite or natural redox partners), including a blue-
158 naerobic reduction of the enzyme with sodium dithionite or substrate yields no detectable semiquinone
159 ts that only the 30% fraction not reduced by dithionite or Ti3+ citrate represents functional A-clust
161 n (nitrogen flushing followed by addition of dithionite), or transiently, by rapidly mixing oxyhemogl
162 ding to FCII, and CO, CO2 in the presence of dithionite, or CS2 in dithionite accelerate CN- dissocia
163 e sulfidation reagent (viz., sodium sulfide, dithionite, or thiosulfate) or the sequence of sulfidati
165 he outer leaflet of the plasma membrane with dithionite permitted quantification of the internal cell
166 nnot be reduced by cytochrome c, but only by dithionite, possibly due to a large decrease in its redu
169 hotoaccumulation at 205 K in the presence of dithionite produces EPR signals in anaerobically prepare
170 ion of this RRE reaction product with sodium dithionite produces the one-electron-reduced RRE, having
171 lusters per dimer; subsequent reduction with dithionite produces two [4Fe-4S](1+) clusters per BioB d
172 rves as an oxidant and external ascorbate or dithionite provide a source of electrons to electron car
176 cribes a method in which the initial rate of dithionite quenching, rather than the extent of quenchin
177 in CPR reduced to the two-electron level by dithionite rather than NADPH, demonstrating that coenzym
178 ically isolated (oxidized) and the anaerobic dithionite-reduced (at pH 8.0) forms of the native Azoto
179 ned oxidized (P(OX)/M(OX)) and the native or dithionite-reduced (P(N)/M(N)) forms of the enzyme.
181 ther with a third, b-type heme, exhibiting a dithionite-reduced absorbance maxima at 560 nm and not a
182 ntermediate in value between those seen with dithionite-reduced and NADPH-reduced enzyme, indicating
184 hobic cyanide analogue, butyl isocyanide, to dithionite-reduced b(6) f complex perturbs and significa
185 hat, in the case of low Fe-bearing (STx) and dithionite-reduced clays, the Fe(II) uptake follows the
189 is study clearly shows that each half of the dithionite-reduced DeltanifH MoFe protein contains a [4F
191 features observed during EPR spectroscopy of dithionite-reduced DHODB are consistent with the midpoin
192 OS) by bubbling O2 through a solution of the dithionite-reduced enzyme at -30 degrees C in a cryogeni
193 the air-oxidized enzyme, while the NADH- or dithionite-reduced enzyme exhibits a stable anionic flav
194 erature jump experiments were performed with dithionite-reduced enzyme in the presence of 2',5'-ADP a
195 and in absorption transients collected with dithionite-reduced enzyme indicates this phase does not
196 ite-reduced crystals or crystals formed from dithionite-reduced enzyme revealed the absence of the ab
197 vel with NADPH is 55 +/- 2 s-1, whereas with dithionite-reduced enzyme the observed rate is 11 +/- 0.
198 We attribute the coupled protons in the dithionite-reduced enzyme to coordinated water at the co
203 experiments performed on the succinate- and dithionite-reduced forms of the enzyme demonstrated that
206 also evident in the EPR signal seen with the dithionite-reduced native enzyme, and this coupling is l
208 ronic coupling as do the ET reactions of the dithionite-reduced O-quinol and O-semiquinone forms.
211 ower saturation profile were detected in the dithionite-reduced preparations at a low temperature ran
215 s cytochrome P450-CAM with one equivalent of dithionite-reduced putidaredoxin (Pdx) was monitored for
216 nzyme active site, whereas ET reactions from dithionite-reduced quinol and semiquinone forms of MADH
218 se have been investigated in as-prepared and dithionite-reduced samples using the combination of UV-v
219 xidized state and at 1.5 A resolution in the dithionite-reduced state, providing the first structural
221 ous work, the higher-resolution data for the dithionite-reduced structure suggest that the heme may b
225 protoheme concentration is estimated from a dithionite-reduced-minus-ferricyanide-oxidized spectrum.
228 hydrolysis rates were 20 times higher under dithionite reducing conditions (approximately 4,000 nmol
229 While in 60% ethylene glycol the product of dithionite reduction is one [4Fe-4S](2+) cluster per dim
230 report here the first detailed study of the dithionite reduction kinetics of a copper-containing dis
231 es showed that superoxide anion generated by dithionite reduction of molecular oxygen was not a facto
233 he Cu(I) protein could be prepared by either dithionite reduction of the Cu(II) derivative or by reco
234 on, solvent extraction, O-deacetylation, and dithionite reduction to produce an analyte containing N-
237 e native b(561) by pH adjustment followed by dithionite reduction, suggesting the reversibility of th
239 and Geobacter sulfurreducens) and chemical (dithionite) reduction experiments revealed a two-stage p
244 f the iron-substituted Fe3+-Fe2+ enzyme with dithionite resulted in a gradual loss of activity toward
247 and anaerobic reduction of BioB with sodium dithionite results in conversion to enzyme containing [4
249 Fe-4S]1+ cluster; reduction of SP lyase with dithionite results in the appearance of a new EPR signal
250 of carbon monoxide to CpI in the presence of dithionite results in the inhibition of hydrogen evoluti
251 publication-grade graphical presentation of dithionite scramblase assays and demonstrate its utility
252 [3Fe-4S] center, and reduction of SplB with dithionite shifted the spectrum to that of a [4Fe-4S] ce
253 the TMADH x ETF protein complex with sodium dithionite shows that a total of five electrons are take
255 n this process, and the optimal potential of dithionite solution could serve as a guideline for futur
256 e same extent as samples not pretreated with dithionite, suggesting that the major defect was an inab
257 shows that when purified in the presence of dithionite, T14C FdI is an O2-sensitive 8Fe protein.
258 ioredoxin reductase from human placenta with dithionite takes place in two spectral phases: formation
259 confirm that it is the reducing agent sodium dithionite that facilitates release of CO from these CO-
261 ast, in the absence of the strong reductant, dithionite, the carboxylate of 6-CP is esterified to gen
262 ared with the commonly used reductant sodium dithionite, this work shows that Eu(II) can serve as a r
266 uring reductive titrations (91% yield during dithionite titrations), although the relatively slow for
267 nteraction is generated during NADH, but not dithionite, titrations and may be indicative of a specie
271 for an 18-amino acid peptide substrate using dithionite to supply the requisite electron and a value
272 nones by addition of small molar excesses of dithionite to these samples under anoxic conditions prod
273 an alternative treatment coupling nZVI with dithionite to treat 1,2-DCA is proposed in this work.
275 prepared in the as-isolated redox state, the dithionite-treated state, and the O 2-treated state.
279 tly, incubation of the oxidized protein with dithionite under anaerobic conditions leads to restorati
280 When BMR is titrated with NADPH or sodium dithionite under anaerobic conditions, addition of 2 ele
281 t when its [2Fe-2S] clusters were reduced by dithionite under anaerobic conditions, and it was rapidl
283 is very slow to reduce with cytochrome c or dithionite under stopped-flow and steady-state condition
284 pecies and nanoparticles were not reduced by dithionite until the detergent deoxycholate was added to
285 nitrite was characterized in the presence of dithionite using hemoglobin in solution or bound to the
292 A precisely obeyed half-order reaction in dithionite was observed at concentrations up to 21 mM wi
294 iferyl-N-acetyl-alpha-D-neuraminic acid, and dithionite), we find that yeast vacuolar SNAREs (SNAP [S
295 ly increases the rate of reduction by sodium dithionite when compared to pentacoordinate hemoglobins.
297 s oxidation state ([Fe4S4]0), in contrast to dithionite, which only reduces Av2 to the [Fe4S4]1+ stat
298 ith different rate constants of reduction by dithionite, while the second conformer shows no response
299 in protein solutions alone i.e. when sodium dithionite, widely used in previous studies of CO releas