ライフサイエンスコーパス: torsion angle

1 approximately 25 degrees in the Re-Re-Re-Re torsion angle.

2 l angles that are separated by more than one torsion angle.

3 egree of internal fluctuation about the mean torsion angle.

4 magnitudes depend mainly on the O5-C5-C6-O6 torsion angle.

5 ent with a gauche- conformation for the chi1 torsion angle.

6 ep learning architectures to predict protein torsion angles.

7 The degrees of freedom are taken as the loop torsion angles.

8 as evidenced by the changes in the Mn-N-O-Mn torsion angles.

9 n and the C1-O1 (phi, phi) and C2-O2 (alpha) torsion angles.

10 VG unit mainly adopt antiparallel beta-sheet torsion angles.

11 , partial unfolding, bending, and side-chain torsion angles.

12 compensatory changes in phi and psi backbone torsion angles.

13 stimate internuclear distances and molecular torsion angles.

14 nation of rotamer populations for the chi(1) torsion angles.

15 etry, peptide plane tilt angle, and backbone torsion angles.

16 oduces monotonic changes in virtual bond and torsion angles.

17 ientation in a model peptide with beta-sheet torsion angles.

18 e largely determined by the backbone phi/psi torsion angles.

19 tion in N-acetylvaline, which has beta-sheet torsion angles.

20 tered on the basis of similarity of selected torsion angles.

21 achieved through relatively small changes in torsion angles.

22 the native protein by changing all the chi1 torsion angles.

23 effects of constraints at the phi3 and psi3 torsion angles.

24 veraging, with essentially uncoupled phi/psi torsion angles.

25 nts including dipolar couplings and backbone torsion angles.

26 ituent effects which tune the intramolecular torsion angles.

27 is a valuable method for predicting protein torsion angles.

28 and steric effects that restrict main-chain torsion angles.

29 experiments that directly measure the chi(1) torsion angles.

30 ions restrained by NMR-derived distances and torsion angles.

31 orsion angles, with a 15 degrees increase in torsion angle (148 degrees to 163 degrees ) observed to

32 to the ring by a modest amount (C5-C6-C7-C8 torsion angle = -28 +/- 7 degrees ).

33 hould permit rational examination of how the torsion angle affects the rate of through-bond electron

34 espectively, whereas for the NarIIQ3 duplex, torsion angle alpha' was predicted to be 159 +/- 7 degre

35 transitions of the sugar-phosphate backbone torsion angles alpha and gamma.

36 ies were dependent upon the conformations of torsion angles alpha' [N9-C8-N(IQ)-C2(IQ)] and beta' [C8

37 he carcinogen-guanine linkage was defined by torsion angles alpha' [N9-C8-N(IQ)-C2(IQ)] of 159 +/- 7

38 The conformational states of IQ torsion angles alpha' and beta' were predicted from the

39 f the [AF]dG4 adduct adopts a syn glycosidic torsion angle and is displaced into the major groove whe

40 ure features, including secondary structure, torsion angle and solvation, are predicted by single-seq

41 prediction of secondary structure, backbone torsion angle and solvent accessible surface area.

42 f the constraining strap determines both the torsion angle and the internal flexibility, with longer

43 ng an anti orientation around the glycosidic torsion angle and Watson-Crick alignments for all base p

44 n the anti orientation around the glycosydic torsion angle and Watson-Crick alignments for all canoni

45 teric clashes by optimizing the CDR backbone torsion angles and by simultaneously perturbing the rela

46 e integrate predicted solvent accessibility, torsion angles and evolutionary residue coupling informa

47 G at the lesion site, adopt anti glycosidic torsion angles and form Watson-Crick base-pairs.

48 tive eta,theta convention for describing RNA torsion angles and is executed using a new program calle

49 stering of experimentally determined peptoid torsion angles and local torsional minima predicted by t

50 Diagnostic NMR criteria for torsion angles and MM3 calculations are reported and con

51 to the interaction, but also the side chain torsion angles and restraints for the tetrameric bundle

52 esolution, and found that the local backbone torsion angles and solvent hydration patterns were alter

53 and 3 was affected by differences in the psi torsion angles and strong hydrogen bonds with adjacent m

54 Seven standard torsion angles and the sugar pucker are necessary to cha

55 Characterization of torsion angles and transient hydrogen bonds indicates th

56 mean value of the same strand 3' and 5'-chi torsion angle, and a change in the mean value of the 3'

57 refinement of the coordinates (against NOE, torsion angle, and dipolar coupling restraints) and opti

58 mmodated by single-sequence based solvation, torsion angle, and secondary structure predictions.

59 the ligand structures, the preferred phenyl torsion angles, and anion effects.

60 nd geometrical features, analyze bending and torsion angles, and determine distinct knowledge-based p

61 contacts, the concerted motions of backbone torsion angles, and stacking preferences, are responsibl

62 e both pseudosugar conformation and glycosyl torsion angle are opposite with respect to the native st

63 mpounds are almost planar (the corresponding torsion angles are below 7 degrees ).

64 For aromatic compounds these torsion angles are close to 0 degrees , but in five- and

65 rils such that both the main- and side-chain torsion angles are close to their optimal values.

66 rturbations of the epsilon and zeta backbone torsion angles are observed, and the base stacking regis

67 the range and flexibility of the glycosidic torsion angles are significantly more restricted in both

68 found in the 2PG molecule bound to TIM, the torsion angle around the C1-C2 bond of 2PG bound to MGS

69 assignments reveal a difference in the helix torsion angles, as predicted by TALOS+, for the key resi

70 te disordered conformers by varying backbone torsion angles at random for approximately 8% of the res

71 nformative features to guide its alignments: torsion angles, backbone Calpha atom positions, secondar

72 ed measures of local helical structure, e.g. torsion angles, base-pair step parameters.

73 ed by a shift in the phosphodiester backbone torsion angle beta P5'-O5'-C5'-C4' at nucleotide X(6).

74 espectively, whereas for the NarIIQ3 duplex, torsion angle beta' was predicted to be -23 +/- 8 degree

75 Limited conformational flexibility in the torsion angle beta', the one closest to the bulky BP moi

76 ructure with an accuracy of 74.3 %, backbone torsion angles better than any previously reported metho

77 fringence (TEB), and by changing the helical torsion angle between a core mtRNA bend and a second ben

78 tructure of the clathrate shows an increased torsion angle between the apical CO ligands indicating t

79 The torsion angle between the carbonyl and naphthalene is 26

80 bonds of the adjacent thymine bases and the torsion angle between them.

81 l compounds have twisted configurations with torsion angles between the pyrene unit and the 2,3-diaza

82 This behavior is related to the torsion angles between the two ligands.

83 d that in the complex the glycosidic linkage torsion angles between the two reducing-end mannoses are

84 een determined by monitoring interglycosidic torsion angles, by comparing structural superimpositions

85 In the 1,2-Me,Ph substitution motif the torsion angle C(Me)-C-C-C(i) determines the length of th

86 For example, a small change in one torsion angle can radically change the behavior of the w

87 ther with a complete library of conventional torsion angles, can be calculated for any RNA structure

88 ts tilt angle by 3 degrees , and the G34-I35 torsion angles cause a kink of 5 degrees in the amantadi

89 Almost all involve at least one large torsion angle change of >140 degrees.

90 , we show that internal friction arises when torsion angle changes are an important part of the foldi

91 tein in the micellar environment, side-chain torsion angle changes are such as to lead to formation o

92 ctures, indicate the trajectory and backbone torsion angle changes of the hinges that accompany domai

93 e of the observed 5J(H1',F) couplings on the torsion angle chi can be described by a generalized Karp

94 In each instance, the glycosyl torsion angle chi for the IQ-modified dG was in the syn

95 tability by orienting and partially freezing torsion angle chi of the 6'F-bcT nucleoside.

96 2'-deoxyribose ring is the value of the C-N torsion angle chi, which positions the nucleobase into t

97 (alpha' and beta') as well as the glycosidic torsion angle chi.

98 e shown to be correlated with the side-chain torsion angles chi(1) and chi(2) and appear to arise, at

99 g(II)ADP x [U-13C]GMP, the guanyl glycosidic torsion angle, chi, is 50 +/- 5 degrees with the wild ty

100 Ky.MgADP.[u-(13)C]GMP, the guanyl glycosidic torsion angle, chi, is 51 +/- 5 degrees for R41M and 47

101 R41M with adenyl nucleotides, the glycosidic torsion angle, chi, was 55 +/- 5 degrees with MgATP, and

102 ientation of the indolyl ring and side-chain torsion angles, chi(1) (N-C(alpha)-C(beta)-C(gamma)) and

103 The glycosidic torsion angles, chi, deduced for the adenine nucleotides

104 tides in wild type complexes, all glycosidic torsion angles, chi, were 54 +/- 5 degrees.

105 The NMR spectra indicate that the side chain torsion angles chi1 and chi2 for Trp(9) change when resi

106 ects strongly influence a residue's backbone torsion angle conformation.

107 consisted of 16 (13)C-(15)N distances and 18 torsion angle constraints (on 10 angles), recorded from

108 (13)C and (15)N chemical shifts that yielded torsion angle constraints were obtained, while inter-res

109 a total of 1167 distance constraints and 117 torsion angle constraints.

110 clear Overhauser enhancements and main-chain torsion-angle constraints (72) from scalar coupling esti

111 We conclude, as expected, that four of the torsion angles contain the overwhelming bulk of the stru

112 ntial consisting of various multidimensional torsion angle correlations; and an RNA specific base-bas

113 and demonstrate their fidelity in measuring torsion angles corresponding to a variety of secondary s

114 ht about by changes in backbone and glycosyl torsion angles, could easily give rise to the observed s

115 At this finer, more specific resolution, torsion angle data are often sparse and discontinuous (e

116 appropriately discretized/coarse-grained MD torsion angles data in a polypeptide is given by the cau

117 ase potentials of mean force: a nucleic acid torsion angle database potential consisting of various m

118 dy/torsion angle simulated annealing using a torsion angle database potential of mean force and compa

119 sion at the protein-protein interface, and a torsion angle database potential of mean force to bias i

120 by the change in stripe direction, while the torsion angle defined by each segment of three helices i

121 ained by distances derived from NOE data and torsion angles derived from (1)H (3)J couplings were car

122 ed from 24 (1)H NOEs between IQ and DNA, and torsion angles derived from (3)J couplings, yielded ense

123 ructure.org, is a database of the glycosidic torsion angles derived from the glycan structures in the

124 N and C-terminal domains occurs.Analysis of torsion angle difference plots between sets of structure

125 Analysis of hinge data and torsion-angle difference plots is combined to allow the

126 n addition, clustering analysis based on the torsion angle distribution can be performed to obtain th

127 a glycan search is complete, each glycosidic torsion angle distribution is displayed in terms of the

128 et process mixture density estimation of the torsion angle distributions and (ii) kernel density esti

129 Half-residue torsion angle distributions for alpha-beta-gamma and for

130 and all-atom steric clashes) to the backbone torsion angle distributions from an 8,636-residue RNA da

131 pproximately 5 degrees changes in the chi(1) torsion angle due to drug binding.

132 le of 30 structures was calculated using the torsion angle dynamics approach of DYANA.

133 Input for the torsion angle dynamics calculations used in determining

134 Torsion angle dynamics calculations utilizing a total of

135 Torsion angle dynamics calculations utilizing a total of

136 zation protocol employs conjoined rigid body/torsion angle dynamics in simulated annealing calculatio

137 Torsion angle dynamics was used throughout the structure

138 R, including the use of conjoined rigid body/torsion angle dynamics, and residual dipolar couplings,

139 m dipolar couplings and conjoined rigid body/torsion angle dynamics, reveals that Sox2 and POUS inter

140 or quantitatively using conjoined rigid body/torsion angle dynamics-simulated annealing with an ensem

141 cal shifts are strongly influenced by chi(2) torsion angle effects.

142 contact number and the error distribution of torsion angles extracted from sequence fragments are use

143 contact number and the error distribution of torsion angles extracted from sequence fragments) are us

144 nly a glycine residue can provide the proper torsion angle for assembly, mutants that can productivel

145 MR data are consistent with a syn glycosidic torsion angle for the [AP]dG6 residue in the adduct dupl

146 ts, scanning through backbone and side chain torsion angles for a model peptidomimetic.

147 Estimates of the side chain torsion angles for the radical at Y193, based on the bet

148 The average torsion angles found for KL 4 bound to POPC:POPG lipid v

149 hielding are extended to the larger range of torsion angles found in proteins.

150 edicted from the (3)J(HH) into an endocyclic torsion angle from which the identity of the conformers

151 e possible rotamers about the three flexible torsion angles governing the orientation of the base (ch

152 long C(Me)-C(i) and C(Me)-C(o) distances for torsion angles >80 degrees do not allow a CH/pi interact

153 Additional constraints on the backbone torsion angles have been derived from chemical shift ana

154 of bond lengths and valence angles with XRD torsion angles held constant.

155 cture in terms of hydrogen bonding topology, torsion angles, helical, and superhelical parameters.

156 ily rationalized on the basis that the 5(10)-torsion angle in 58 is decreased in micellar solutions a

157 teins may be responsible for the increase in torsion angle in chronic MR.

158 issue tagging demonstrated an increase in LV torsion angle in MR+CI versus MR dogs.

159 m ion, as compared to the relaxation of this torsion angle in the gluco series.

160 particularly sensitive to variations of the torsion angle in the regime |psi| > 140 degrees.

161 aced into the major groove with its glycosyl torsion angle in the syn conformation.

162 presence of a wide distribution of backbone torsion angles in AFGP1-5 leads to a rich spectrum of fr

163 13)C on the C5-C6 (omega) and C6-O6 (theta;) torsion angles in aldohexopyranoside model compounds wer

164 e NMR to determine a number of distances and torsion angles in an elastin-mimetic peptide, (VPGVG)3,

165 conformation and the majority of the C4'-C5' torsion angles in g+ except two trans angles, in conform

166 sed to quantitatively determine the backbone torsion angles in KL 4 at several positions.

167 g of A, which is proximal to the unfavorable torsion angles in native cGNRAg tetraloops, and which is

168 pens up a route to accurate determination of torsion angles in proteins based on shielding tensor mag

169 ndent constraints on backbone varphi and psi torsion angles in samples with sequential pairs of carbo

170 lly strained "gauche" conformeric form, with torsion angles in the P-C-C-O moiety of 32.2 degrees for

171 rising from fluctuations in backbone phi/psi torsion angles in the picosecond to nanosecond regime in

172 crystal structures revealed tether-specific torsion angles in the solid state.

173 The side-chain torsion angles in the X-ray structure of cis-W3 were chi

174 , ortho to the diaryl bonds, the diaryl bond torsion angles increased so that the 1-Ad groups were or

175 opic chemical shifts and backbone (phi, psi) torsion angles indicate that both TPF4 and TPA4 adopt be

176 predicted relative solvent accessibility and torsion angle information improves the accuracy of profi

177 such as predicted solvent accessibility and torsion angles into the profile-profile alignment is a u

178 rotein in three dimensions from its backbone torsion angles is an ongoing challenge because minor ina

179 of this experiment to constrain multiple psi-torsion angles is limited by the resolution of the 13C(a

180 -containing protein, is the insensitivity of torsion angle isomerization to solvent friction.

181 on the addition of empirical chemical shift [torsion angle likelihood obtained from shift and sequenc

182 of H alpha chemical shifts reflects backbone torsion angles, longer range effects from distant amino

183 Combining all torsion angles measured for the five residues, the G8 C

184 Backbone torsion angle measurements indicate that the basic struc

185 ence, which is partially validated by direct torsion angle measurements of selected loop residues, su

186 Torsion angle measurements of the two Arg's quantitative

187 6 A) as determined with NMR spectroscopy and torsion-angle molecular dynamics.

188 es were generated for 33 proteins by using a torsion-angle Monte Carlo algorithm with hard-sphere ste

189 Using the correlation in torsion angle movements calculated from microseconds-lon

190 We show that optimized torsion-angle normal modes reproduce protein conformatio

191 rthogonalizing the displacement vectors from torsion-angle normal-mode analysis and projecting them a

192 o our knowledge is a new method of optimized torsion-angle normal-mode analysis, in which the normal

193 ave shown that in glucopyranosides the omega-torsion angle (O(6)-C(6)-C(5)-O(5)) displays a preferenc

194 gument that invokes the different phosphoryl torsion angles observed in the X-ray structures of inhib

195 by distances obtained from (1)H NOE data and torsion angles obtained from (1)H NMR (3)J coupling data

196 pears to be complete, but a relatively large torsion angle of 26 degrees is still seen for the C14-C1

197 electron exchange occurs across a particular torsion angle of 37 degrees .

198 monolayer indicated that the global average torsion angle of a monolayer was gradually shifted.

199 Gradual and reversible tuning of the torsion angle of an amphiphilic chiral binaphthyl, from

200 adduct 1(*) in the crystalline state shows a torsion angle of approximately 90 degrees between the ph

201 P revealed about 160 degrees rotation in the torsion angle of N-glycosyl bond from the +anti conforma

202 The glycosidic torsion angle of the [PhIP]dG residue is syn, and the di

203 ant disruption of either the anti glycosidic torsion angle of the modified residue or the base pairin

204 estigated to obtain tolanophanes, fixing the torsion angle of the two phenyl rings.

205 htly puckered (quasi-boat conformation, with torsion angles of 5.9 degrees for C4N and 4.8 degrees fo

206 The 1'-3H KIE is also influenced by the torsion angles of adjacent atoms and by polarization of

207 , as well as smaller changes in the backbone torsion angles of Ala-12 and Met-14.

208 he 12-helical conformation; average backbone torsion angles of beta-residues and helical parameters a

209 tivariate analysis of the backbone and sugar torsion angles of dinucleotide fragments was used to con

210 The torsion angles of each DMP were clustered in a reduced t

211 to as a glycan, can be characterized by the torsion angles of glycosidic linkages between relatively

212 trated by the effect of modifications to the torsion angles of I, L, D, N.

213 ical "linchpin" features, often the backbone torsion angles of individual residues, which are sampled

214 nfirm the highly mobile nature of the chi(4) torsion angles of lysine side chains seen in the MD simu

215 channel include: 1), a variation in backbone torsion angles of residues near the Pro-Val-Pro motif in

216 emains unchanged; for HPr, the backbone /Psi torsion angles of the active site residues are unperturb

217 nce constraints, we measured the (phi, psi ) torsion angles of the central pentameric unit using dipo

218 we observe distinct changes in the backbone torsion angles of the oligosaccharide chain induced upon

219 onal dissimilarities between them, involving torsion angles of the phosphodiester backbone and the ar

220 (13)C chemical shifts and torsion angles of the protein in 1,2-dilauroyl-sn-glycer

221 s were observed for the beta, gamma, and chi torsion angles of the S-cdG nucleoside.

222 The backbone (phi and psi) torsion angles of Val(6) are found to be -133 degrees an

223 on between the deviation of the peptide bond torsion angle omega from 180 degrees and the angle betwe

224 ation, and three others based on the peptide torsion angle omega, were used to determine the relative

225 impact of factors other than the intervening torsion angle on (3)J will be minimal, making these coup

226 ived from the compression of the O2-C2-C3-O3 torsion angle on going from the intermediate covalent gl

227 r, many of these techniques measure only one torsion angle or are accurate for only certain classes o

228 on of a single geometric variable, such as a torsion angle or interresidue distance, can select for o

229 chain shapes is more important than that of torsion angles or of overall structural similarities in

230 or prone due to the large number of variable torsion angles per nucleotide.

231 There are too many variable torsion angles per residue, and their raw empirical dist

232 limiting the accuracy at which the backbone torsion angle phi can be extracted from 3J couplings.

233 HN,C' couplings, all related to the backbone torsion angle phi, were measured for the third immunoglo

234 is information to determine the Ramachandran torsion angles phi and psi.

235 tive predictions to be made for the backbone torsion angles phi and psi.

236 ested by the anticorrelation of the backbone torsion angles phi(i) and psi(i-1).

237 r spectra depend strongly upon the molecular torsion angles phi[i], chi1[i], and psi[i - 1].

238 ntial NMR structure constraint for the C1-O1 torsion angle (phi) comprising the glycosidic linkages o

239 change parameters correlate with phenyl-ring torsion angles (phi) via a simple Karplus-Conroy-type re

240 l, classic-type beta-bulge with the backbone torsion angles (Phi, Psi) disallowed for L-amino acids b

241 depends primarily on the orientation of the torsion angles (phi, psi, and omega) between glycosyl re

242 er with appropriate stretching, bending, and torsion-angle potentials.

243 Boltzmann machine (DReRBM) since the protein torsion angle prediction is a sequence related problem.

244 Protein backbone torsion angle prediction provides useful local structura

245 simultaneous measurement of several backbone torsion angles psi in the uniformly (13)C,(15)N-labeled

246 13Calpha shifts are dominated by local torsion angles , psi, chi1; hence, these experiments ide

247 rmolecular contacts, backbone and side-chain torsion angles, relaxation measurements, and calculation

248 ve resulted in 111 quantitative distance and torsion angle restraints (10 per residue) that describe

249 ained by NMR-derived distance restraints and torsion angle restraints in 5'-d(G(1)T(2)G(3)C(4)G(5)Tg(

250 raints obtained from (1)H NOESY data and 151 torsion angle restraints obtained from (1)H and (31)P CO

251 d by nuclear Overhauser enhancement data and torsion angle restraints related specifically to the act

252 728 NOE-derived distance constraints and 79 torsion angle restraints yielded an ensemble of 20 struc

253 mined using 2200 distance restraints and 330 torsion angle restraints, and the dynamics analysis was

254 ion in addition to conventional distance and torsion angle restraints.

255 data derived from standard NOE-distance and torsion angle restraints.

256 of S4 Delta41 using NOE, hydrogen bond, and torsion angle restraints.

257 mations are fully consistent with the direct torsion angle results; moreover, the methyl (13)C chemic

258 tations of the alignment tensors by means of torsion angle simulated annealing and Cartesian space mi

259 m the static crystal structure by rigid body/torsion angle simulated annealing using a torsion angle

260 on as a starting point, conjoined rigid-body/torsion-angle simulated annealing calculations were perf

261 een solved by NMR using conjoined rigid body/torsion angle-simulated annealing on the basis of interm

262 simulated annealing by molecular dynamics in torsion angle space (DYANA software) with input from 146

263 ophene rings results in a restriction on the torsion angle space available to these molecules when bo

264 taken to refine the force field used in the torsion angle space nucleic acids molecular mechanics pr

265 t the constraint creates a closed surface in torsion angle space.

266 ell defined by conventional NMR-distance and torsion angle structural restraints.

267 ; hence, these experiments identify flexible torsion angles that may assist complex formation.

268 the carbonyl of hyp distorts the main-chain torsion angles that typically accompany a C(gamma)-endo

269 Without constraints (e.g., imposed torsion angles), the theoretical and experimental data a

270 determined from highly approximate backbone torsion angles, the kind of information that is now obta

271 primarily a function of the backbone phi,psi torsion angles, the Trp C(gamma) shifts are shown to be

272 By constraining phi and chi(1) torsion angles, this novel amino acid analogue can serve

273 thynylphenylene rotators can explore various torsion angles; this allows the BEPEB fluorophore dynami

274 he combined data constrains a total of eight torsion angles (three phi, three chi1, and two psi): phi

275 er approximation adjusts the C(alpha)-C'-N-H torsion angle to -2 degrees.

276 aride complex found a glycosidic linkage psi torsion angle to be distorted by 50 degrees from the NMR

277 Another application allows some torsion angles to be targeted to specified values while

278 ased minimization of backbone and side-chain torsion angles to design low-energy interfaces between t

279 force (PMF) are obtained for the spin label torsion angles to illustrate their behavior in various p

280 sition, relaxation of the C14-C15 and C15=NZ torsion angles to near 180 degrees reorients the retinyl

281 A number of torsion-angle transitions of the antiviral compound are

282 s correlations with phi, psi, chi 1, or chi2 torsion angles, unlike the results seen with other amino

283 Universally, for torsion angles up to 80 degrees CH/pi bonds were found,

284 ns are functions of the intervening backbone torsion angle varphi.

285 ely, values that correlate with the backbone torsion angle varphi.

286 ng compounds and in open-chain compounds the torsion angles vary considerably.

287 The O=C-C=O torsion angles vary from 91.8 to 139.3 degrees and corre

288 ter correlates with average semiquinone ring torsion angles via a Karplus-Conroy-type relation.

289 K14M with adenyl nucleotides, the glycosidic torsion angle was 30 +/- 5 degrees with MgATP and 28 +/-

290 mation on correlated conformation about both torsion angles was obtained.

291 x vicinal J-couplings sensitive to the C2-N2 torsion angle were parametrized: (3)J(H2,NH), (3)J(H2,CO

292 tant complexes, adenyl nucleotide glycosidic torsion angles were 55 +/- 5 degrees (GKy x MgATP) and 4

293 nsity provided interproton distances and the torsion angles were measured by spin-spin coupling const

294 the NarIIQ1 and NarIIQ2 duplexes, the beta' torsion angles were predicted to be -152 +/- 8 degrees a

295 the NarIIQ1 and NarIIQ2 duplexes, the alpha' torsion angles were predicted to be -176 +/- 8 degrees a

296 Specifically, backbone torsion angles were taken from proteins of known structu

297 Conformational restrictions of flexible torsion angles were used to guide the identification of

298 e anti orientation about the pseudo-glycosyl torsion angle, which mimics precisely the mutagenic arra

299 Accurate prediction of protein backbone torsion angles will substantially improve modeling proce

300 delta)-H/C(gamma)-O and C(beta)-H/C(gamma)-O torsion angles, with a 15 degrees increase in torsion an