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1 interacts with a newly resolved G.U reverse wobble.
2 ighboring base pairs on only one side of the wobble.
3 ls moved downward at low forces with minimum wobble.
4 al hydration sphere with the G25.U20 reverse wobble.
5 rse wobble with an isosteric A25.C20 reverse wobble.
6 lso a UAG nonsense suppressor via first base wobble.
7 CUG) anticodon stem that restrict first base wobble.
8 -derived metabolites required to confer tRNA wobbling.
10 unexpected result, however, is that a highly wobbled A.T base pair, which is ascribed here to a rare
11 )) were essential for Watson-Crick (AAA) and wobble (AAG) cognate codon recognition by tRNA(UUU)(Lys)
12 ifications also play a role in accommodating wobble, allowing a limited pool of tRNAs to recognize de
13 pe II tandem G.U pairs have a combination of wobble and bifurcated hydrogen bonds where the uracil 2-
14 The relative contribution of the neutral wobble and protonated Watson-Crick configurations to 2AP
15 ease mismatch discriminations (including T/G wobble and T/C mismatched base pairs) while maintaining
17 guide-target interactions we introduced G:U wobbles and mismatches at various positions of the micro
18 ions, including combinations of multiple G:U wobbles and mismatches in the seed region, are admissibl
19 the rate-accuracy variation for 7 cognate, 7 wobble, and 56 near-cognate codon readings comprising ab
20 three mismatched base-pairs: an A+-C, a G-U wobble, and a sheared G-A base-pair and no looped out ba
21 and the MT wall should cause a Dam1 ring to wobble, and Fourier analysis of moving, ring-attached be
23 Watson-Crick base pairing properties of the wobble base (and hence proper translation of the genetic
25 rentially catalyzes the incorporation of the wobble base G, rather than the Watson-Crick base A, oppo
26 0 lies in close proximity to the P-site tRNA wobble base in order to satisfy a UV-induced photocrossl
30 air (on the guanine containing strand) and a wobble base pair (on the strand containing the difluorot
31 containing a bulged nucleotide adjacent to a wobble base pair also was primarily affected by non-near
32 other hand, recognizes the TG mismatch as a wobble base pair and penetrates the DNA with three aroma
33 he templating base, Poliota accommodates the wobble base pair better than the Watson-Crick base pair.
34 he ribozyme and the data here show that this wobble base pair destabilizes neighboring base pairs on
37 laRS) has depended predominantly on a single wobble base pair in the acceptor stem, G3*U70, mainly on
40 om A-form helix occur where the guanine of a wobble base pair stacks over a purine from the opposite
43 nt for elongation and that it is the U50.G64 wobble base pair, located at the same position in the TP
44 or both of the bulge nearest neighbors was a wobble base pair, the free energy increment for insertio
46 e modified base pair in the structure adopts wobble base pairing (hydrogen bonds between [POB]dG(N1)
55 side chain plays a pivotal role in excluding wobble base pairs between template pyrimidines and purin
57 ostatic potential at the major groove of G.U wobble base pairs embedded in RNA helices, suitable for
59 ructure and the importance of two tandem G:U wobble base pairs in the template domain were studied by
60 at the negativity at the major groove of G.U wobble base pairs is determined by the combined effect o
61 d melting temperature for duplexes closed by wobble base pairs with 3' single or double-nucleotide ov
62 polymerase active site and the asymmetry of wobble base pairs, provides a plausible explanation for
69 Previous investigations have shown that such wobble base-pairs are more prone to base-opening than th
71 ed 5ns molecular dynamics simulations on G.U wobble base-pairs in two different sequence contexts, TG
75 one containing a central G-T mismatched or "wobble" base pair, and one in which the thymine in this
78 and molecular dynamics (MD) study of the G/U wobble basepairs in the ribosome based on high-resolutio
79 sults in the complete loss of these modified wobble bases and increased sensitivity at 37 degrees C t
81 nated at the N1 position to form stabilizing wobble CA+ pairs adjacent to a sheared GA or AA pair.
82 ree-energy model, including stabilization by wobble CA+ pairs, is derived for predicting stabilities
83 cated these tRNA modifications in modulating wobbling capacity and translation efficiency, their exac
86 y of discrimination against near-cognate and wobble codon readings increased toward the maximal asymp
88 iscriminating between the correct cognate or wobble codons and the incorrect near-cognate codons (e.g
90 xhibited high affinities for its cognate and wobble codons GUA and GUG, and for GUU in the A-site of
93 ] internal loop, the GU pairs form canonical wobble configurations with two hydrogen bonds, whereas i
94 atch is also poised for catalysis but in the wobble conformation seen in other studies, indicating th
95 he mismatched C(5).A(16) pair existed in the wobble conformation, with the C(5) imino nitrogen hydrog
97 t sulfation patterns, which are termed here "wobble CS/DS oligosaccharide motifs," and induce signali
99 NMR relaxation dispersion, we show here that wobble dG*dT and rG*rU mispairs in DNA and RNA duplexes
100 R relaxation dispersion recently showed that wobble dG.dT and rG.rU mismatches in DNA and RNA duplexe
101 ition of thymidine, we have investigated the wobble discrimination by manipulating the steric and ele
102 hat the major groove edge of an isolated G.U wobble displays distinctly enhanced negativity compared
104 ion of the (31)P, while a slower rotation or wobble dominates the relaxation of the carbonyl carbon b
105 her restricting codon recognition, expanding wobble, enabling translocation, or maintaining the messe
108 s indicate that the ClU-G base pair adopts a wobble geometry at neutral pH, similar to a T-G mispair.
109 s a Watson-Crick-like geometry rather than a wobble geometry, suggesting that the enol tautomeric for
110 urine-pyrimidine mispairs adopt the expected wobble geometry, the difference between the two polymera
111 ing the number of strong (GC), weak (AU) and wobble (GU) base pairs to lie in a certain range, the RN
116 ( approximately 2 mus), while simultaneously wobbling in a cone of semiangle 30-55 degrees centered a
117 Orientational relaxation is analyzed with a wobbling-in-a-cone model describing restricted orientati
118 two periods of restricted angular diffusion (wobbling-in-a-cone) followed by complete orientational r
120 d Mg(2)(+) positioned at the G25.U20 reverse wobble is catalytic and could serve as a Lewis acid, a B
121 ely because of averaging by fast motions and wobble; it is tentatively estimated to be 1 x 10(7) s(-1
122 es are attributed to inversion via a lateral wobble mechanism with DeltaH++ = 6 kcal x mol(-1) and De
127 d including an inertial motion, a restricted wobbling motion of approximately 3 ps, and complete rand
128 cence anisotropy decay and internal angular 'wobbling' motion measurements of 2-AP within these alter
129 LC activity, and slows nanosecond rotational/wobbling motions of both phospholipid headgroups, as ind
130 sicles, we found large-amplitude, rigid-body wobbling motions on the nanosecond time scale relative t
131 The time scales and amplitudes of these "wobbling" motions are characterized by effective correla
132 entifies three global motions: torsional and wobbling movements, en bloc, between the alpha- and beta
133 th longer inserts was made more efficient by wobble-mutagenizing both the inner repeat and the exogen
136 n 1991 that specific modifications of a tRNA wobble nucleoside shape the anticodon architecture in su
139 ted as originating from two types of motion: wobbling of tryptophan side-chains relative to the prote
140 tabilizing effects induced by the tandem G.U wobbles on the double-stranded structure of this stem, w
146 mations for the P1.1 stem, the cleavage site wobble pair and the A-minor motif of the catalytic trefo
147 These conserved sequences include a u-G wobble pair at the 5' splice site and a guanosine in the
148 rcus A58 in the J4/5 region contacts the G.U wobble pair at the cleavage site in the P1 helix, and Az
149 ave hypothesized to discriminate against U/G wobble pair by tailoring the steric and electronic effec
152 rms a stem-loop structure stabilized by a GU wobble pair formed by two of the five unpaired residues
153 ed pH-dependent formation of the A2450+C2063 wobble pair has made it a potential candidate for the pH
154 an extensive in vivo analysis of the distal wobble pair in alanine tRNA and report that it does not
155 st a previously unrecognized role of the G.U wobble pair in self-splicing: breaking cooperativity in
156 trogen was similar to that of the C(5).A(16) wobble pair in the corresponding duplex not adducted wit
157 variation in recognition was that the G2.U71 wobble pair of spirochete tRNALys acts as antideterminan
158 termini of these siRNAs with a terminal G-U wobble pair or a carefully selected pair of terminal asy
160 suggested that protonation of the C(5).A(16) wobble pair should shift C(5) toward the major groove an
161 l structure of a DNA duplex containing a T:G wobble pair shows similar structural changes imposed by
163 esulting in the formation of the U2506*G2583 wobble pair that was attributed to a catalytically inact
164 This novel mechanism enables the single wobble pair to dominantly determine the specificity of t
166 e isosteric, but pH-independent, G2450*U2063 wobble pair, and 50S subunits containing the mutations w
167 duplex r(guguuuac)/r(guaggcac) with a tandem wobble pair, G.G/U.U (motif III), to compare it with U.G
168 n the Watson-Crick pairs and 15 span the G:U wobble pair, including two interesting arrangements with
169 disrupts several tertiary contacts with the wobble pair, the assignment of A2450 as the active site
170 he DNAzyme confirm the importance of the G*T wobble pair, the two loops and the intervening stem in m
171 d, a pK(a) of 8.0 is observed for the A(+).C wobble pair, which represents an especially large shift
178 y the 5'UAGG/3'GGAU loop adopts canonical UG wobble pairing (cis Watson-Crick/Watson-Crick), with AG
181 cted to the complementary base plus a single wobble pairing for amino acids with twofold degenerate c
188 cal/mol on eight stacked pairs involving G-U wobble pairs and 0.99 kcal/mol on seven stacked pairs in
189 a identify a set of mutations, including G-U wobble pairs and nucleotide mismatches in the 5' hairpin
191 This study suggests that protonated A(+).C wobble pairs exist in DNA under biologically relevant co
192 racyclines preferentially bind within the UG wobble pairs flanking an asymmetrically bulged C-residue
195 binding site that consists of the tandem G:U wobble pairs in P1 and consecutive G:U and U:A pairs in
196 search for exact matches while including G-U wobble pairs or employ simplified energy models, we pres
197 x r(GGGCGCUCC)2with non-adjacent G*U and U*G wobble pairs separated by four Watson-Crick base pairs h
198 stable structure consisting of conserved UG wobble pairs, a folded 2X2 (GU/UA) internal loop, a UU b
200 ismatches, including nearly isoenergetic RNA wobble pairs, can be efficiently rejected with discrimin
205 tion at the 2'-hydroxylribosyl moiety in the wobble position (Um34) of Sec tRNA([Ser]Sec), and conseq
206 ional modification, 5-formylcytidine, at the wobble position 34 (f(5)C(34)), and a cytidine substitut
207 e post-transcriptional modifications at tRNA wobble position 34 and purine 37, 3'-adjacent to the ant
208 e-5-oxyacetic acid (cmo (5)U 34) is found at wobble position 34 in a single isoaccepting tRNA species
209 e show that the complete modification at the wobble position 34 is 5-carboxyaminomethyl-2-thiouridine
210 Post-transcriptional modifications at tRNA's wobble position 34, especially modifications of uridine
212 n usage displays the expected GC bias in the wobble position and is consistent with a highly acidic p
215 t into longstanding questions regarding both wobble position modification and the nearly ubiquitous t
217 Here, we show (i) that unlike U34 at the wobble position of all B. subtilis tRNAs of known sequen
219 methylcarboxymethyl uridine (mcm(5)U) at the wobble position of certain tRNAs, a critical anticodon l
222 ce was also noted when only mutations in the wobble position of degenerate codons were considered.
225 droxyuridine into 5-oxyacetyl uridine at the wobble position of multiple tRNAs in Gram-negative bacte
227 te codon AAC, has the modified base Q at the wobble position of the anticodon (5' QUU 3') and it has
228 ed in tRNA: queuosine, which is found at the wobble position of the anticodon in bacterial and eukary
229 hat is posttranscriptionally modified at the wobble position of the anticodon with a lysine-containin
230 enouridine (mnm(5)se(2)U), is located at the wobble position of the anticodons of tRNA(Lys), tRNA(Glu
231 terferes with the eRF1 decoding of the third/wobble position of the stop codon set in the unfavorable
235 a modified C (lysidine or agmatidine) at the wobble position of tRNA2(Ile) to base pair specifically
236 l deamination of adenosine to inosine at the wobble position of tRNAs and is necessary to permit a si
240 modification occurs in tRNAs from a G in the wobble position to Queuosine that changes optimal bindin
243 C; (c) an arginine tRNA with Inosine in the wobble position which reads CGU, CGC, and CGA bypasses m
245 he modifications that occur at the first, or wobble position, of tRNA's anticodon and those 3'-adjace
246 the modified nucleotide queuosine (Q) at the wobble position, thereby preventing protein synthesis an
247 on of tRNA(Leu(CAA)) containing m(5)C at the wobble position, which causes selective translation of m
249 m and loop of human tRNA(Lys1,2)(CUU) with a wobble position-34 C bound AAG, but did not wobble to AA
250 f cytidine, 5-formylcytidine (f(5)C), at the wobble position-34 of human mitochondrial tRNA(f5CAU)(Me
251 rs in the absence of modifications at either wobble position-34 or the conserved purine-37, 3'-adjace
255 ifications to uridine in the tRNA anticodon 'wobble' position in both yeast and higher eukaryotes.
256 w that modified nucleosides at the first, or wobble, position of the anticodon and 3'-adjacent to the
260 ine (Q) is a hypermodified base found in the wobble positions of tRNA Asp, Asn, His, and Tyr from bac
266 wo unequal kinks (17 and 11 degrees ) at the wobble sites and a third kink at the central G5 site whi
272 upon dsRNA binding and that canonical or GU-wobble substitutions produce dsRNA mutants that retain e
274 0 self-complementary RNA duplexes containing wobble terminal base pairs with all possible 3' single a
276 wobble position-34 C bound AAG, but did not wobble to AAA, even when the ASL was modified with t(6)A
281 the standard Watson-Crick (C:G and U:A) and wobble U:G conformations, an analysis of the base-pair t
283 odifications of transfer RNAs (tRNAs) at the wobble uridine 34 (U34) base are highly conserved and co
284 sic region in Elp1 may be essential for tRNA wobble uridine modification by acting as tRNA binding mo
285 egulation, ubiquitination and cytosolic tRNA wobble uridine modification via 5-methoxycarbonylmethyl-
288 oxycarbonylmethylation, respectively, of the wobble uridine of cytoplasmic (tK(UUU)), (tQ(UUG)), and
289 y directly controls the thiolation status of wobble-uridine (U34) nucleotides present on lysine, glut
290 M1 pathway responsible for the thiolation of wobble uridines in cytoplasmic tRNAs tK(UUU), tQ(UUG) an
291 fine-tuned its specificity to correlate with wobble versus nonwobble positions across that sequence a
292 the actin filament, and bound CP is able to wobble when attached only via its mobile beta-subunit te
293 stability, and disfavored by external A(+).C wobbles, which have high folding cooperativities but mak
294 pK(a) shifting is favored by internal A(+).C wobbles, which have low cooperativities of folding and m
298 ly active, demonstrating that AAA+ unfoldase wobbling with respect to 20S is not required for functio
299 g principal order parameter Szz for overall "wobble" with respect to the membrane normal (molecular z
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