ライフサイエンスコーパス: guanidinium

1 eleased Na(+) is large enough to accommodate guanidinium(+).

2 ate distances and restricted dynamics of the guanidinium.

3 the two groups, indicating a mixed guanidine/guanidinium.

4 absent in R160K EAL, which indicates that a guanidinium 14N of R160 interacts directly with the subs

5 Evidently, urea and guanidinium, although structurally similar, denature pro

6 ce (3D-PMFs) for a Na+ cation and for methyl guanidinium, an arginine analog.

7 ion was reduced by partial substitution with guanidinium, an ion which permeates the cyclic nucleotid

8 hich are generally superior to their uronium/guanidinium analogues and HOBt- or HODhbt-derived phosph

9 iting bacterial RNase P, we synthesized hexa-guanidinium and -lysyl conjugates of neomycin B and comp

10 eries of diaromatic symmetric and asymmetric guanidinium and 2-aminoimidazolinium derivatives, we rep

11 The guanidinium and carboxylate groups of substrates are tig

12 The affinity of guanidinium and Cu(II) containing hosts for polycarboxyl

13 tabilized by the alternating ordering of the guanidinium and methylammonium cations in the interlayer

14 to minute changes in the disposition of the guanidinium and the size dependence of the hydrophobic b

15 <or= 1.52 x 10(4) M(-)(1)) and diol, diacid, guanidinium, and pyridinium species in pD 7.4 phosphate-

16 effects, analysis of substrate (14)N-(15)N (guanidinium)-arginine exchange effects, and comparison w

17 The evolutionary conservation of an arginine guanidinium as a metal ligand suggests a novel role for

18 Using the arginine analog methyl-guanidinium as a test case, we find that although hydroc

19 ivity of diribonucleoside to the presence of guanidinium-based catalysts compared to the more activat

20 Guanidinium binding restores the key interactions, resta

21 Herein, we report the synthesis of guanidinium bis-porphyrin tweezers 1 and fullerene carbo

22 catalysts (Co(NH(3))(6)(3+), Co(en)(3)(3+), guanidinium), but K(double dagger)(OH) >> K(NPP) for Mg(

23 Abstraction of a proton from the substrate guanidinium by a catalytic base has long been thought to

24 loss of FVIII activity at 57 degrees C or in guanidinium by factor Xa generation assays.

25 Moreover, a short distance of 4.6 A from the guanidinium C(zeta) of the second Arg to (31)P indicates

26 Guanidinium(+) can also permeate truncated pumps, wherea

27 sults show that tetrapropylammonium, but not guanidinium, can preferentially accumulate around aromat

28 ium adduct formed by attack of Cys406 on the guanidinium carbon of L-arginine followed by the elimina

29 A key step of the synthetic route to guanidinium carboxylate 9 is Pd(0) catalyzed cleavage of

30 The zwitterionic guanidinium carboxylate 9 was shown to readily decarboxy

31 topography, builds up from a combination of guanidinium-carboxylate hydrogen bonding and pi-pi stack

32 are anchored to the fatty acid core through guanidinium-carboxylate interactions.

33 mers with different numbers and locations of guanidinium-carboxylate salt bridges were synthesized.

34 data highlight the operation of a guanidine-guanidinium catalytic dyad that can act both intermolecu

35 eivably promoted by the "built-in" guanidine/guanidinium catalytic dyad.

36 yl or alkyl esters) is able to influence the guanidinium-catalyzed hydrolysis changing the mechanism

37 ng activation of this mutant enzyme by added guanidinium cation (Gua(+)): 1 M Gua(+) stabilizes the t

38 sparagusic or, preferably, lipoic acid and a guanidinium cation polymerize into poly(disulfide)s in l

39 ic container molecule has been shown to bind guanidinium cations (blue) between the sulfonate groups

40 A molecular framework based on guanidinium cations and 1,2,4,5-tetra(4-sulfonatophenyl)

41 Incorporation of hydrogen-bonded guanidinium cations in the secondary coordination sphere

42 Chaotropic perturbation (CP) with guanidinium chloride (Gdm-Cl) reveals HDL instability by

43 Both urea and guanidinium chloride (GdmCl) are frequently used as prot

44 methods by circular dichroism using urea and guanidinium chloride (GdmCl) as the perturbants.

45 Thermal and Guanidinium chloride (GdmCl) induced unfolding of a vari

46 well established that low concentrations of guanidinium chloride (GdmCl) inhibit the ATPase activity

47 ons of chemical denaturants such as urea and guanidinium chloride (GdmCl) proteins expand to populate

48 r basis for protein denaturation by urea and guanidinium chloride (GdmCl) should accommodate the obse

49 The equilibrium stabilities to guanidinium chloride (GdmCl)-induced denaturation and ki

50 kinetic thiol-labeling experiments, that the guanidinium chloride (GdmCl)-induced unfolding of RNase

51 bed using two chemical denaturants, urea and guanidinium chloride (GdmCl).

52 nd pyridine and the effect on structuring of guanidinium chloride (GdmCl).

53 ed by thermal and chemical denaturation with guanidinium chloride (GdmCl).

54 It was found that the addition of guanidinium chloride (GnHCl) to SDS samples (via direct

55 mine unfolding intermediates associated with guanidinium chloride (GuHCl)-induced protein denaturatio

56 f gyration, 34-35 A, is unchanged from 0-6 M guanidinium chloride and from 20-90 degrees C at pH 2.5,

57 ybrids by denaturing pairs of enzymes in 1 M guanidinium chloride and renaturing them by removing the

58 he mechanism by which the aqueous cosolvents guanidinium chloride and urea denature proteins is a mat

59 een hydrophobic and ionic species in aqueous guanidinium chloride and urea solutions using molecular

60 turant concentrations varying from 1.5-6.0 M guanidinium chloride are in excellent agreement, with an

61 centration was observed over a wide range of guanidinium chloride concentration.

62 s identical for the two unfolded proteins at guanidinium chloride concentrations >3 M, and the FRET-d

63 Treatment with guanidinium chloride demonstrated that the HNE-induced o

64 the actual decrease is approximately 3 A on guanidinium chloride denaturant dilution from 7.5 to 1 M

65 estore their enzymatic activities after heat/guanidinium chloride denaturation.

66 The known folding rate of 20 s-1 at 1.5 M guanidinium chloride in 400 microM Zn2+ provides an uppe

67 are linearly dependent on concentrations of guanidinium chloride in the measurable range from 1.7 to

68 ing in an aqueous solution of the denaturant guanidinium chloride is described.

69 ations to investigate the effect of urea and guanidinium chloride on the structure of the intrinsical

70 Increasing concentrations of guanidinium chloride produced two transitions for the Op

71 uctural stability studies with the chaotrope guanidinium chloride revealed that there is moderate des

72 ion, the 1H-15N HSQC spectrum taken at 1.5 M guanidinium chloride reveals that only the Rd-apocyt b56

73 interaction model we show that, in urea and guanidinium chloride solutions, unfolding of an unusuall

74 tion is not significantly changed in urea or guanidinium chloride solutions.

75 lowing transfer from a buffer containing 5 m guanidinium chloride to a buffer containing 0.5 m guanid

76 Experiments often use urea and guanidinium chloride to study folding whereas the natura

77 dinium chloride to a buffer containing 0.5 m guanidinium chloride were studied by measuring the time-

78 ns, we monitored their unfolding in urea and guanidinium chloride with A(230).

79 due to the favorable association of urea or guanidinium chloride with the backbone of all residues a

80 Here, we use effects of denaturants (urea, guanidinium chloride) and temperature on folding and unf

81 reases linearly as [C] (the concentration of guanidinium chloride) increases with the slope, m, that

82 tion behaviors under thermal and chaotropic (guanidinium chloride) stress.

83 sence of protein denaturants (4.0 M urea and guanidinium chloride).

84 rant are four times larger than those in 6 M guanidinium chloride, indicating a decrease in the avera

85 d in 5% (w/v) perfluoro-octanoic acid or 6 M guanidinium chloride, inserts spontaneously and folds qu

86 spectroscopic techniques to examine whether guanidinium chloride, one of the most commonly used prot

87 temperature, and chemical stability against guanidinium chloride-induced denaturation.

88 unfolding intermediate at approximately 1 M guanidinium chloride.

89 rescence at relatively low concentrations of guanidinium chloride.

90 unfolding of the protein in the presence of guanidinium chloride.

91 ns are featureless, statistical coils in 6 M guanidinium chloride.

92 toward thermal denaturation and unfolding by guanidinium chloride.

93 dary and tertiary structure by the chaotrope guanidinium chloride.

94 ino or guanidino function indicated that the guanidinium compound showed the higher efficacy against

95 enthalpy driving forces for the ammonium and guanidinium containing hosts are postulated to derive pr

96 irst, we formed the LPD nanoparticles with a guanidinium-containing cationic lipid, i.e. N,N-disteary

97 inyl) aminoethyl ammonium chloride (DSAA), a guanidinium-containing cationic lipid, than with a commo

98 The shortest distance of 4.0 A, found for a guanidinium Czeta at the beta-turn, suggests N-H...O-P h

99 id phosphates indicate that both the Arg(10) guanidinium Czeta atom and the Lys(13) Cepsilon atom are

100 The guanidinium-denatured state of the N-domain of phosphogl

101 e fluorescence signature still resembles the guanidinium-denatured state.

102 ace to the availability of STX and an allied guanidinium derivative, tetrodotoxin.

103 g K(+), and (ii) induction of pump-mediated, guanidinium-derivative-carried inward current at negativ

104 Furthermore, actions by guanidinium(+) derivatives suggest that Na(+) binds to s

105 The mechanism by which urea and guanidinium destabilize protein structure is controversi

106 amorphous guest-free host and from selected guanidinium-free mixed monolayers by structural characte

107 are more crystalline than the corresponding guanidinium-free mixed monolayers.

108 pic data do not differentiate the protonated guanidinium from the neutral guanidino group but suggest

109 he stacking interaction between the cationic guanidinium functionality of arginine and the indole rin

110 -dimensional hydrogen-bonded host network of guanidinium (G) ions and organosulfonate (S) amphiphiles

111 d complementary hydrogen bonding between the guanidinium (G) ions and the sulfonate (S) groups of TSP

112 ded protein states, the denaturants urea and guanidinium (Gdm(+)) accumulate at the surface of folded

113 te salts of tetrapropylammonium (TPA(+)) and guanidinium (Gdm(+)) on the conformational stabilities o

114 Guanidinium (Gdm+) chloride is a powerful protein denatu

115 e performed to probe the mechanisms by which guanidinium (Gnd(+)) salts influence the stability of th

116 A cone-calix[4]arene derivative, featuring a guanidinium group and a Cu(II) ion ligated to a 1,4,7-tr

117 Arginine contains the guanidinium group and thus has structural similarity to

118 rokaryotic PI-PLCs use a spatially conserved guanidinium group from Arg69.

119 Asp166 engage in ionic interactions with the guanidinium group in the C406A ADI.

120 from the first-generation GPNAs in that the guanidinium group is installed at the gamma- instead of

121 Furthermore, recognition of the guanidinium group is primarily responsible for substrate

122 in can retain substantial disorder while the guanidinium group maintains its salt bridges; thus, the

123 acking, this pocket has been filled with the guanidinium group of an arginine from a neighboring mole

124 i interaction between the positively charged guanidinium group of Arg 600 and the aromatic ring of Ty

125 and the primary specificity pocket, and the guanidinium group of Arg-187 penetrates the protein core

126 gate base stabilized by interaction with the guanidinium group of Arg-410.

127 C-1 hydroxyl group of galactose, whereas the guanidinium group of Arg36 is situated between both the

128 hydroxyl group of alpha-D-galactose and the guanidinium group of Arg37.

129 hosphorus of the nucleotide and 3.4 A of the guanidinium group of Arg37.

130 group of the bound lysine side chain and the guanidinium group of arginine both make multiple hydroge

131 ucleophilic attack on the carbon atom of the guanidinium group of arginine, and His-278, which serves

132 The aminopyridine ring mimics the guanidinium group of L-arginine and functions as an anch

133 kely by binding in the pocket vacated by the guanidinium group of R181.

134 sphate (AMPCPP, an ATP analogue) and HP, the guanidinium group of R82 has no direct interaction with

135 for the enhancing ability of DAFP-1 and the guanidinium group of the arginine residue is important f

136 Furthermore, the position of the guanidinium group of the bound substrate relative to the

137 ectrostatic interaction observed between the guanidinium group of the essential arginine and the carb

138 pothesized that the bound positively charged guanidinium group of the L-arginine substrate further st

139 RF1) bound to histone H3 peptides, where the guanidinium group of unmodified R2 forms an extensive in

140 tramolecular hydrogen atom transfer from the guanidinium group onto the amide group is not observed.

141 3 is not due to the interactions of the R84 guanidinium group or the W89 indole ring with the substr

142 e generation is exquisitely sensitive to the guanidinium group spacing when the phosphate groups are

143 stabilized in the His432Arg structure by the guanidinium group that also restricts the access of nucl

144 nique hydration properties of the side chain guanidinium group which facilitates its movement through

145 led creatine (with the isotopic label in the guanidinium group) was employed as model compound.

146 monoester forms a salt bridge with the Arg95 guanidinium group, thereby weakening RNase III engagemen

147 In addition to a critical guanidinium group, TTX possesses six hydroxyl groups, wh

148 rong cationic resonance stabilization of the guanidinium group, with the nonprotonated group also sta

149 g site with appended ammonium groups (1) and guanidinium groups (2), along with thermodynamics analys

150 Guanidinium groups and increasing positive charge on the

151 This mechanism unveils the essential role of guanidinium groups and two universal cell components: fa

152 n binding residues, whose terminal amino and guanidinium groups are thereby organized to form extensi

153 two phosphates down to less than 5 A, where guanidinium groups can stack "face to face".

154 presence of the stacking element next to the guanidinium groups causes a decrease in the number of ho

155 he strength of hydrophobic interactions, and guanidinium groups eliminate measurable hydrophobic inte

156 ditional structural features imparted by the guanidinium groups facilitate fast and reversible H2 add

157 of a competition between the phosphoryl and guanidinium groups for the same lone pair on the bridgin

158 dology to introduce chiral alpha-substituted guanidinium groups into molecules.

159 A polymer functionalized with guanidinium groups is effectively internalized by cells

160 interactions between the positively charged guanidinium groups of Arg534 and Arg536 and a P1 moiety

161 s indicates that binding of the carboxyl and guanidinium groups of the substrate, l-arginine, provide

162 the number and spatial relationships of the guanidinium groups on delivery and organelle/organ local

163 sphate interactions exist in penetratin, and guanidinium groups play a stronger structural role than

164 e were found with MCF-7 cells when up to six guanidinium groups were positioned on the polyproline he

165 the ammonium groups have been converted into guanidinium groups, can carry large (>300 kDa) bioactive

166 contact with the cell exterior interact with guanidinium groups, leading to a transient membrane chan

167 Phosphate ions are known to complex guanidinium groups, which are the side chains of arginin

168 ure of a hydrogen bonding network around the guanidinium groups.

169 , and the periphery consists of ammonium and guanidinium groups.

170 e general formula [Am]Mn(H2POO)3, where Am = guanidinium (GUA), formamidinium (FA), imidazolium, tria

171 The additional guanidinium (guanidine) group in the diprotonated (monop

172 e, we have synthesized three self-exfoliated guanidinium halide based ionic covalent organic nanoshee

173 l of non-mineralized constituents with 4.0 M guanidinium HCl.

174 Results for guanidinium, however, are contrary to the expectation th

175 uration curve, as the transition spans 0-7 M guanidinium hydrochloride (GdmCl).

176 h a Trp59-heme distance close to that of the guanidinium hydrochloride (GdnHCl) denatured state is pr

177 well as solutions containing the denaturants guanidinium hydrochloride and urea.

178 ely indistinguishable from that populated in guanidinium hydrochloride solutions, suggesting that the

179 stability as shown by circular dichroism and guanidinium hydrochloride studies.

180 hat folding of reduced cytochrome c from the guanidinium hydrochloride-induced unfolded ensemble in d

181 r dichroism, and sensitivity to unfolding in guanidinium hydrochloride.

182 binds it as a crystalline carbonate salt by guanidinium hydrogen bonding.

183 Our results support a role for urea and guanidinium in assisting in the solvation of nonpolar su

184 equilibrium transitions upon titration with guanidinium, in addition to the major refolding event.

185 er and H2A-H2B dimer have been determined by guanidinium-induced denaturation, using fluorescence and

186 ease TOF and may engage in an intramolecular guanidinium interaction that assists in H2 activation, w

187 In contrast, the l-Arg guanidinium interacts more weakly and equally with both

188 The arginine guanidinium interacts with non-polar aromatic and alipha

189 droamination cascade constructs the bicyclic guanidinium ion core from a alkynyl bisguanidine.

190 are then documented using a new C2-symmetric guanidinium ion derivative.

191 The compounds were inhibitors of [(14)C]guanidinium ion flux in rat forebrain synaptosomes and d

192 he rich ion-ion ordering observed around the guanidinium ion in the simulations.

193 nge is triggered by the binding of a ligand (guanidinium ion) to a site that in the wild-type protein

194 269A mutant GPDH-catalyzed reaction by 1.0 M guanidinium ion, and the transition state for the reacti

195 tween ion pairs is greatly diminished by the guanidinium ion.

196 -Fc fusion proteins treated with acid, urea, guanidinium, ionic detergents, acrylamide, and thiol- an

197 nd cooperatively bound to 5 molecules of the guanidinium ionophore, suggesting hydrogen-bond-directed

198 D) hydrogen-bonding network of complementary guanidinium ions (G) and sulfonate moieties (S), the so-

199 ear relationship between the amount of bound guanidinium ions and the rate of guest exchange.

200 s such as ureas, thioureas, squaramides, and guanidinium ions enjoy widespread use as effective catal

201 This phosphate-mediated translocation of guanidinium ions may underlie the activity of other Arg-

202 nism by which chiral arylpyrrole-substituted guanidinium ions promote the Claisen rearrangement of O-

203 The marked tendency of the guanidinium ions to stack parallel to their water-defici

204 The current can be carried by guanidinium ions, suggesting that this is the pathway fo

205 ring and indicate a bimodal hydration of the guanidinium ions, with the N-H groups making well-ordere

206 eneral, the strength of the interaction with guanidinium is about twice that of urea, which is about

207 The deprotected guanidinium is configurationally stable under more acidi

208 , Alkaline Method, Urea Method, Salt Method, Guanidinium Isothiocyanate (GuSCN) Method, Wizard Method

209 2O)5(2-)]n sulfate-water clusters with a bis(guanidinium) ligand.

210 displayed a much larger affinity than other guanidinium-like derivatives from the same series with c

211 (a)s ( approximately 11) are so high, due to guanidinium-like resonance, that they cannot readily be

212 jugated C horizontal lineN double bounds and guanidinium-like structures were found to be resistant t

213 here the synthesis of NHA analogues bearing guanidinium methyl or ethyl substitutions and their inve

214 Guanidinium(+), methylguanidinium(+), and aminoguanidini

215 zed through a Mitsunobu reaction between the guanidinium mimetics and the corresponding central templ

216 Guanidinium mimetics with enhaced rigidity (i.e., (2-pyr

217 of the protein, facilitate placement of the guanidinium moieties near polar groups or bulk water.

218 ubstrates that contained chemically modified guanidinium moieties provides evidence of a role for ind

219 vitro assay) and the removal of problematic guanidinium moieties.

220 ctions through increased surface area of the guanidinium moiety and greater delocalization of positiv

221 g(70) assumes a multivalent role through its guanidinium moiety interacting with all active site enzy

222 f backbone amides, IroE employs the atypical guanidinium moiety of Arg 130.

223 The guanidinium moiety of netropsin binds in a narrow part o

224 structures of three variants showing how the guanidinium moiety of the Arg side chain is effectively

225 ay structures deviates from the plane of the guanidinium moiety substantially, indicating that the OH

226 e original hapten design, in which a charged guanidinium moiety was strategically used to elicit an a

227 e spirocyclic ether rings of the pentacyclic guanidinium moiety.

228 shifted to form salt bridges with the Arg259 guanidinium moiety.

229 a approximately 3 A (bonding) distance to a guanidinium N of Arg183.

230 itrogen geometry, different from that of the guanidinium N(omega) nitrogen of l-arginine, allows a hy

231 o kinds of hexagonal molecular tiles, a tris(guanidinium)nitrate cluster and a hexa(4-sulfonatophenyl

232 Because guanidinium(o)(+) can also traverse normal Na/K pumps in

233 Except for a 1 angstrom shift in the guanidinium of alphaArg373, the conformations of catalyt

234 te complex bound to two catalytic sites, the guanidinium of betaR(337) is within 2.9 A of the alpha-o

235 The guanidinium of the invariant Arg-170 is positioned to po

236 ed" inclusion cavities like those in related guanidinium organodisulfonate host frameworks.

237 cal hexagonal phases reported previously for guanidinium organomonosulfonate inclusion compounds, but

238 Guest-free guanidinium organomonosulfonates (GMS) and their inclusi

239 cond Arg to (31)P indicates the existence of guanidinium phosphate hydrogen bonding and salt bridges.

240 ular import of penetratin, which may involve guanidinium-phosphate complexation between the peptide a

241 ng force for this toroidal pore formation is guanidinium-phosphate complexation, where the cationic A

242 alt bridge interaction was revealed by short guanidinium-phosphate distances and restricted dynamics

243 These solid-state NMR data indicate that guanidinium-phosphate interactions exist in penetratin,

244 nd aliphatic side chains above and below the guanidinium plane while hydrogen bonding with polar side

245 Furthermore, the guanidinium planes of K65R and Arg(72) were stacked in t

246 The guanidinium planes of the arginines K65R and Arg(72) wer

247 (+)-Saxitoxin, a naturally occurring guanidinium poison, functions as a potent, selective, an

248 lculations were carried out to determine the guanidinium promoted activation energy of pseudorotation

249 cation and even of the large organic cation guanidinium, reminiscent of Shaker's omega pore.

250 Guanidinium rescue with the R226A SsuD variant resulted

251 thesized the first members of a new class of guanidinium-rich amphipathic oligocarbonates that noncov

252 troduces a new and highly effective class of guanidinium-rich cell-penetrating transporters and metho

253 a fluorophore-labeled octaarginine (a model guanidinium-rich CPP) and compared with the correspondin

254 g nanoparticles formed by association with a guanidinium-rich molecular transporter.

255 describe a general molecular method based on guanidinium-rich molecular transporters (GR-MoTrs) for b

256 A new family of guanidinium-rich molecular transporters featuring a nove

257 Guanidinium-rich molecules, such as cell-penetrating pep

258 uperior in cell uptake to previously studied guanidinium-rich oligocarbonates and oligoarginines, sho

259 ter cells, outperforming previously reported guanidinium-rich oligocarbonates and peptide transporter

260 ive cell-penetrating molecular transporters, guanidinium-rich oligophosphoesters, are described.

261 Guanidinium-rich scaffolds facilitate cellular transloca

262 ulfide-exchange polymerization, we show that guanidinium-rich siCPDs grow on fluorescent substrates w

263 relaxation primarily reflects persistence of guanidinium salt bridges and correlates well with simula

264 A new ionic liquid matrix (ILM), a guanidinium salt of alpha-cyano-4-hydroxycinnamic acid,

265 hoice of the anion of an achiral TBD-derived guanidinium salt, used as cocatalyst for proline, allows

266 by a two-fold cyclization, which resulted in guanidinium salts 8 and 10.

267 helps explain the circumstances under which guanidinium salts can act as powerful and versatile prot

268 account of the synthesis of chiral bicyclic guanidinium salts is presented.

269 As was previously found for guanidinium salts of carbonate, mesoscopic-scale cluster

270 determine how solutes such as urea, sugars, guanidinium salts, and trimethylamine N-oxide affect the

271 tempted syntheses of two additional bicyclic guanidinium salts.

272 ericidal activity appears not to require the guanidinium side chain of Arg at those two positions.

273 The guanidinium side chain of iminoarginine forms a hydrogen

274 lorine-substituted stereogenic center on the guanidinium side chain of SynOxA.

275 rate that (1) synergy between catecholic and guanidinium side chains similarly promotes adhesion, (2)

276 ng close approach of the lipid headgroups to guanidinium side chains.

277 f the H-protein tube is lined with amide and guanidinium side chains.

278 rby arginine residue (R48) participates in a guanidinium stacking interaction with R28 from the other

279 lly loops 4 and 5), thereby allowing diverse guanidinium substrates to be accommodated for catalysis.

280 als based on hydrogen-bonded two-dimensional guanidinium-sulfonate (GS) networks is demonstrated by u

281 teract with the zwitterionic, trisubstituted guanidinium sweeteners as well as TES, specific differen

282 ism by which the common electrolyte additive guanidinium thiocyanate (GdmSCN) improves efficiency in

283 letely removed by 3min injections of biotin, guanidinium thiocyanate, pepsin, and SDS, which makes it

284 xtraction with an acidic solution containing guanidinium thiocyanate, sodium acetate, phenol and chlo

285 cotinamide, imidazolium, benzimidazolium and guanidinium threading components, and macrocyclic isopht

286 Guanidinium titration studies show that the ferric state

287 activity is resurrected by externally added guanidinium to 2.3% of wild-type EAL.

288 chirality and functional groups adjacent to guanidiniums to modulate specificity and affinity in rec

289 d peptide displacement to "lift" the charged guanidinium toward the bilayer surface.

290 A stereoselective synthesis of the bis-guanidinium toxin (+)-saxitoxin (STX), the agent infamou

291 y relationship (SAR) study involving the bis-guanidinium toxin saxitoxin (STX), modified saxitoxins,

292 critical role in high-affinity block by the guanidinium toxin tetrodotoxin, primarily due to an elec

293 a ligated metal ion (Cu(II), Zn(II)) with a guanidinium unit connected by a 1,2-vicinal calix[4]aren

294 Intrinsic ionic guanidinium unit plays the pivotal role for both self-ex

295 the side arm over the three nitrogens in the guanidinium unit results in electrochemical behavior sim

296 H3)(2+), decorated at the upper rim with two guanidinium units and a phenolic hydroxyl in an ABAH fun

297 ormation and functionalized with two to four guanidinium units at the upper rim were synthesized and

298 The catalytic activity of the guanidinium units toward the cleavage of phosphoric dies

299 ents, finding that the nature of the cation (guanidinium vs 2-aminoimidazolinium) significantly influ

300 hydrogen-bond-directed interactions of each guanidinium with a few of 10 negatively charged sulfo or