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1 ar DNA duplexes, triplexes and quadruplexes (tetraplexes).
2 mer and lie across the narrow grooves of the tetraplex.
3 ucture was established and was found to be a tetraplex.
4 n unusual K+-dependent intrastrand "cinched" tetraplex.
5 nd at higher ionic strength a double-hairpin tetraplex.
6 C-T)10, probably because it is a two-hairpin tetraplex.
7 metabolism, to destabilize DNA triplexes and tetraplexes.
8 hibited spectra characteristic of parallel G-tetraplexes.
9 orm several intrastrand structures including tetraplexes.
10 as well as two different unusual intrastrand tetraplexes.
11 om the 5'-end of each strand in one cytosine tetraplex and from the 3'-end of each strand in the othe
12 and 1.0 M NaCl, we are also able to identify tetraplex and other similar oligomers formation and to m
13  resolves alternate DNA structures including tetraplex and triplex DNA, and Holliday junctions.
14 lmark of previously described intramolecular tetraplexes and contains a number of noncanonical bases
15 erminus, this molecule is capable of forming tetraplexes and other higher order structures in a tempe
16 pands the hydrogen-bonding possibilities for tetraplexes and suggests that the category of sequences
17 p II divalent ions stabilized the parallel G-tetraplexes, and Mg(2+) generally had the weakest stabil
18              Two different types of cytosine tetraplexes are found in the crystal.
19 ctures with loops, cruciforms, triplexes and tetraplexes) as well as microhomologies are postulated t
20                                              Tetraplexes block DNA polymerase progression and may pro
21    Our demonstration of the stabilization of tetraplexes by hydrogen bonding between adenines and gua
22 tructures, including hairpins, triplexes and tetraplexes, by the tandem repeats.
23                               However, since tetraplexes can be thought of as folded hairpins, many o
24  consistent with conversion of a two-hairpin tetraplex directly to single strands.
25 en two chemical structures (i.e., duplex and tetraplex DNA) in the junctions of adjacent origami modu
26 perturb the conformation of nucleic acids in tetraplex, duplex, and single-stranded states was assess
27              The A clusters and the cytosine tetraplexes form two alternating stacking patterns, crea
28 ng extends the range of sequences capable of tetraplex formation as well as our appreciation of the c
29 ures, native gel electrophoresis revealed no tetraplex formation at 37 degrees C, the physiologically
30               In addition, we also prevented tetraplex formation by substitution of 7-deazaguanosine
31                                              Tetraplex formation in the presence of Na+ requires both
32                                 We show that tetraplex formation is determined by a complex combinati
33 sitive and specific indicator of intrastrand tetraplex formation that can be used, both to identify s
34 ential and to examine parameters that affect tetraplex formation.
35  at 0.95 A resolution of a parallel-stranded tetraplex formed by the hexanucleotide d(TG4T) in the pr
36 can be used, both to identify sequences with tetraplex-forming potential and to examine parameters th
37 suggests that the category of sequences with tetraplex-forming potential may be larger than previousl
38 nds, and in particular shows selectivity for tetraplex forms of nucleic acids.
39                                    In Na+, a tetraplex forms that contains C.C+ pairs, with the adeni
40 f duplex forms, to multistranded triplex and tetraplex forms.
41  triplex (BePI, coralyne, and berberine) and tetraplex [H(2)TmPyP, 5,10,15, 20-tetrakis[4-(trimethyla
42  Sequences with a propensity to form guanine tetraplexes have been found in chromosomal telomers, imm
43                             In all cases the tetraplexes have the same overall conformation in which
44 r polymer (in this case, a four-stranded DNA tetraplex, iDNA) modulates the melting temperature of a
45                        Four-stranded guanine tetraplexes in RNA have been identified to be involved i
46 ases other than guanine into the stem of the tetraplex, interaction between loop bases and bases in t
47 g this work we have shown that some of these tetraplexes involve unusual base interactions.
48                     In the presence of K+, a tetraplex is formed in which the adenines are unpaired a
49 number of sequences with the ability to form tetraplexes is larger than previously thought, and that
50 ondary structures, in particular intrastrand tetraplexes, is an intrinsic property of some of the mor
51             Binding of gene 5 protein to the tetraplex leads to formation of a approximately 170 kDa
52 the number of sequences that can form stable tetraplexes might be much larger than previously thought
53                                          The tetraplex molecules stack on one another in opposite pol
54  perturb the CD spectra of a series of other tetraplex nucleic acids, indicating that it does not mod
55 le-helical motif of MSR recognizes and binds tetraplex nucleic acids.
56 taH of formation per mole of the two-hairpin tetraplex of -116.9 kcal or -29.2 kcal/mol of G-tetrad.
57 ion exhibited by the native MSR molecule for tetraplex over double-stranded or single-stranded nuclei
58 lect the altered internal dimensions of this tetraplex, perhaps resulting from the ability of the C.C
59 at the triple-helical MSR-1 peptide binds to tetraplex poly(I) in a stoichiometric manner and is capa
60 l reference peptide (POG)10 does not bind to tetraplex poly(I), suggesting that binding requires the
61 the complex between triple-helical MSR-1 and tetraplex poly(I).
62              For the first time, we report a tetraplex polymerase chain reaction (PCR) assay targetin
63 tions between a triple-helical peptide and a tetraplex polynucleotide are proposed on the basis of th
64 the two enzymes are able to unwind G2 and G4 tetraplexes, prompting speculation that failure to resol
65 that forms a complex mixture of hairpins and tetraplexes, r(CGG)22 forms a single stable hairpin with
66 detecting E. histolytica and E. dispar), our tetraplex real-time PCR assay demonstrated levels of sen
67  Here, we developed a hydrolysis probe-based tetraplex real-time PCR assay that can simultaneously de
68                       We determined that the tetraplex real-time PCR can detect amebic DNA correspond
69 ization titers of antibodies measured by the TetraPlex RVPNT assay are similar to FRNT/PRNT assay app
70 eporter virus particle neutralization titer (TetraPlex RVPNT) assay for DENV that allows simultaneous
71 nding water patterns are observed within the tetraplex's helical grooves and clustered about the phos
72        This study illustrates the utility of tetraplex stable isotope coded tags in mass spectrometri
73        The data demonstrate the value of the tetraplex stable isotope tagging approach for producing
74                       Here we report the RNA tetraplex structure (UGGGGU)(4) at ultra-high resolution
75 ure, led to the complete disruption of the G-tetraplex structure as detected by NMR and confirmed by
76                           On the other hand, tetraplex structure formation was observed at 4 and 23 d
77 ce preference arises from the formation of a tetraplex structure held together by a central block of
78 e, the potential for these sequences to form tetraplex structures at lower temperatures may not be re
79 ne, could justify a regulatory mechanism for tetraplex structures in the expression of human insulin.
80  can traverse template d(CGG)(n) hairpin and tetraplex structures in the presence of WRN.
81 tosine (C)-rich sequences that can fold into tetraplex structures known as i-motif are prevalent in g
82 report here that hairpin and G'2 bimolecular tetraplex structures of the fragile X expanded sequence,
83                 The DNA triplex helix and G4 tetraplex structures that form by Hoogsteen hydrogen bon
84 iplexes, RPA does not melt intermolecular G4 tetraplex structures.
85 n, is used to demonstrate the utility of the tetraplex tagging strategy.
86 ite directions and locked together to form a tetraplex through intercalation of the 5'-most A-A base
87  consistent with conversion of a two-hairpin tetraplex to a single-hairpin duplex with extrahelical r
88 h the normally parallel stranded d(TAGGGTTA) tetraplex to give the first such antiparallel strand ass
89  slipped structures, DNA unwinding elements, tetraplexes, triplexes and sticky DNA) are described.
90 orm unique octaplexes with the neighboring G tetraplexes, whereas the 3'-end uridines are stacked-in
91 ands in the asymmetric unit forms a parallel tetraplex with symmetry-related molecules.
92         These interactions not only generate tetraplexes with novel properties but also lead us to co