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1                                              PWM is a common strategy used in electronics for informa
2                                              PWM was found to significantly enhance the susceptibilit
3                                              PWMs can then be used to predict the location of TF bind
4 oughly 200 TFs in yeast, there are over 1200 PWMs in the literature.
5                                            A PWM algorithm enabling permuted switching of the PV sour
6 em", using the proposed score for counting a PWM in the sequences.
7 hat allows us to infer binding energy from a PWM score.
8                          We also introduce a PWM logo, which visually displays the implications of ob
9  analysis is to "count" the occurrences of a PWM in a DNA sequence.
10                A web server for predicting a PWM given a protein containing C2H2-ZF domains is availa
11                    The first approach uses a PWM and background genomic sequence as input to estimate
12           We show that in most cases where a PWM is not sufficient, a BEM that includes energy parame
13 cy of A- and T-tracts, in combination with a PWM-based core promoter model, accurately predicted prom
14 ated evolution at any two positions within a PWM, based on a multiple alignment of 5 mammalian genome
15 mary monocytes failed to support PHA, Con A, PWM, or anti-CD3- induced T cell proliferation 1 wk afte
16                                 Both PCL and PWM comprise precursors displaying traits of juvenile as
17                         In addition, PCL and PWM differ in the generated progeny.
18                        CD62L MFI on PPD- and PWM-stimulated gammadelta T-cell receptor-positive (TCR(
19 urthermore, we tested if combining shape and PWM-based features provides better predictions than usin
20 ores, we developed two methods, Kmer-Sum and PWM (Position Weight Matrix) stacking, for full-length b
21      Our results show that both Kmer-Sum and PWM stacking in the new pentamer approach along with a s
22 gic interneurons are produced exclusively by PWM astroglial-like progenitors, whereas PCL precursors
23 se contradictory results can be explained by PWM and ChIP data reflecting primarily biophysical prope
24 centration was reduced, responses induced by PWM were restored while TSST-1 induced responses remaine
25  factor, which allows us to directly compare PWMs that were generated by different approaches.
26 stic score to solve this problem of counting PWM occurrences.
27 table for large-scale analyses) for creating PWMs from high-throughput ChIP-Seq data and for scanning
28 arity between user-entered data and database PWMs, and a function for locating putative binding sites
29 an reliably convert lambda between different PWMs of the same transcription factor, which allows us t
30 discriminative as well as non-discriminative PWM finding algorithms.
31 ensitivity/specificity of a poorly estimated PWM and further improved the quality of a good PWM.
32  simple method to improve a poorly estimated PWM using ChIP data.
33                    Starting from an existing PWM, a set of ChIP sequences, and a set of background se
34                     The majority of existing PWMs provide a low level of both sensitivity and specifi
35                                    Expanding PWMs to include sequence context-dependence will increas
36 The mean FA was 0.280 for plaques, 0.383 for PWM, 0.493 for NAWM, and 0.537 for control subject WM.
37 ec for plaques, 0.786 x 10(-3) mm(2)/sec for PWM, 0.739 x 10(-3) mm(2)/sec for NAWM, and 0.726 x 10(-
38 ion of discrete pulses answering the general PWM problem in terms of the manifold of all rational sol
39  of the best-performing tools for generating PWMs from ChIP-Seq data and for scanning PWMs against DN
40                            (2) For any given PWM, this score can be computed while allowing for occur
41 M and further improved the quality of a good PWM.
42 specificity in their binding (despite having PWMs with higher information content).
43 e and tested whether the score could improve PWM-based discrimination of TFBS from non-binding-sites.
44 nces, our method, GAPWM, derives an improved PWM via a genetic algorithm that maximizes the area unde
45 n, and PGE2 restored both immunoglobulins in PWM-stimulated cultures.
46 nce will increase the information content in PWMs and facilitate a more efficient functional identifi
47 res only a user-specified FDR and an initial PWM.
48 nd problem we address is to find, ab initio, PWMs that have high counts in one set of sequences, and
49 ing for occurrences of other, a priori known PWMs, in a statistically sound framework.
50 stine are directly activated with the lectin PWM.
51 if information, including the sequence logo, PWM, consensus sequence and specific matching sites can
52 lity of predicting position weight matrices (PWM) for an entire protein family based on the structure
53 ion and identified position weight matrices (PWM), demonstrating that, in at least one case, deleting
54    By employing 99 position weight matrices (PWM), we systematically scanned the regulatory regions u
55                    Position-weight matrices (PWMs) are broadly used to locate transcription factor bi
56 t is unclear which position weight matrices (PWMs) are most useful; for the roughly 200 TFs in yeast,
57 ChIP)-seq/chip and position weight matrices (PWMs) data, protein-protein interactions and kinase-subs
58  sequences against Position Weight Matrices (PWMs) is a widely adopted method to identify putative tr
59 es, for predicting position weight matrices (PWMs) representing DNA-binding specificities for C2H2-ZF
60 ntly modeled using position weight matrices (PWMs) that assume the positions within a binding site co
61 imilar k-mers into position weight matrices (PWMs).
62  based on position-specific weight matrices (PWMs).
63 gnized by scanning a position weight matrix (PWM) against DNA using one of a number of available comp
64 k-mers'), as well as position weight matrix (PWM) and graphical sequence logo representations of the
65 k-mers'), as well as position weight matrix (PWM) and graphical sequence logo representations of the
66 od of constructing a position weight matrix (PWM) by comparing the frequency of the preferred sequenc
67                  The position weight matrix (PWM) derived for BqsR uncovered hundreds of likely bindi
68 , we (i) construct a position weight matrix (PWM) from a collection of experimentally discovered TFBS
69                  The position weight matrix (PWM) is a popular method to model transcription factor b
70                  The position-weight matrix (PWM) is a useful representation of a transcription facto
71                    Positional weight matrix (PWM) is derived from a set of experimentally determined
72  largely rely on the position weight matrix (PWM) model for DNA binding, and the effect of alternativ
73 chnique based on the position weight matrix (PWM) model to locate conserved motifs in a given set of
74         The position-specific weight matrix (PWM) model, which assumes that each position in the DNA
75 toff threshold for a position weight matrix (PWM) of a motif identified from ChIP-chip data by ab ini
76  used to construct a position weight matrix (PWM) of the Ey protein.
77 sis using a TRANSFAC position weight matrix (PWM) search, 86% of non-specific TF sites were removed.
78 ve use of a position-specific weight matrix (PWM) to statistically characterize the sequences of the
79               When a position weight matrix (PWM) was constructed from the protein gene promoters, fa
80  TF in the form of a position weight matrix (PWM), DNA accessibility data (in the case of eukaryotes)
81 F-DNA binding--the positional weight matrix (PWM)--presumes independence between positions within the
82 atches to a sequence position weight matrix (PWM).
83 and represented in a position weight matrix (PWM).
84 then summarized by a position weight matrix (PWM).
85 l optimization [e.g. position weight matrix (PWM)] and significance testing at each step.
86 used to generate a position-weighted matrix (PWM) for EBNA1's DNA-binding sites.
87 nesis and from the prospective white matter (PWM) during postnatal development.
88                The prospective white matter (PWM) in the nascent cerebellum contains a transient germ
89  placed on plaques, periplaque white matter (PWM) regions, NAWM regions in the contralateral side of
90 rotein derivative (PPD) or pokeweed mitogen (PWM) and evaluated concurrently for proliferation and ac
91 drome toxin-1 (TSST-1) and pokeweed mitogen (PWM) were inhibited at high concentrations of bacterial
92 teers were stimulated with pokeweed mitogen (PWM), and the cultures were manipulated by adding PGE2,
93 ntiation agents, including pokeweed mitogen (PWM), to enhance the sensitivity of myeloma cells to cel
94 stimulated in culture with pokeweed mitogen (PWM); the levels of available IL-1 gene products were ma
95  underpinning of the pulse width modulation (PWM) technique lies in the attempt to represent "accurat
96 ntration range using pulse-width modulation (PWM).
97 ng a strategy termed pulse width modulation (PWM).
98                The comparison of old and new PWMs shows that the latter increase both sensitivity and
99  approach, we first developed a refined OCT4 PWM.
100 estis development, colocalizes with the OCT4 PWM.
101 vation and differentiation in the absence of PWM, in an MHC-unrestricted fashion.
102 directed against CD9 abrogated the effect of PWM.
103                                Incubation of PWM-stimulated myeloma cells with either monoclonal anti
104 binding intensity rank-ordered collection of PWMs each of which spans a different region in the bindi
105 a reanalysis of these data with a mixture of PWMs approach.
106 e scale and suggests the use of a mixture of PWMs, instead of the current practice of using a single
107 r large-scale, structure-based prediction of PWMs is discussed.
108                      Stimulation with PPD or PWM increased CD25 and CD44 mean fluorescence intensity
109                                          Our PWM module can combine up to six different inputs and se
110                                          Our PWM module produces robust and precise concentration pro
111 lyses we provide evidence that the postnatal PWM hosts a bipotent progenitor that gives rise to both
112 at for >85% of the proteins, their predicted PWMs are accurate in 50% of their nucleotide positions.
113 ities correlated with corresponding promoter PWM scores.
114 es an alternative for obtaining high-quality PWMs for genome-wide identification of transcription fac
115 IgG at the onset of cultures greatly reduced PWM-induced tissue injury, without inhibiting the increa
116                     We then used the refined PWM and a ChIPModules approach to identify transcription
117                                The resultant PWM may not reliably discriminate a true motif from a fa
118                                The resulting PWMs were evaluated with respect to preferred conservati
119 vide computationally efficient ways to scale PWM scores and estimate the strength of transcription fa
120           TFBS prediction tools used to scan PWMs against DNA fall into two classes - those that pred
121 ing PWMs from ChIP-Seq data and for scanning PWMs against DNA has the potential to improve prediction
122 s approach is an advancement over the simple PWM model and accommodates position dependencies based o
123 city of most TFs is well fit with the simple PWM model, but in some cases more complex models are req
124 ad of the current practice of using a single PWM, for a transcription factor.
125 rmore, it still functioned when the starting PWM contained a major error.
126  for the target genes of one of the subclass-PWMs.
127 g sites and if the mixture of these subclass-PWMs can improve the binding site prediction.
128 sed the relative merit of using two subclass-PWMs.
129 uth appears to generally perform better than PWM-based methods.
130 pe-based models perform arguably better than PWM-based models.
131                                          The PWM+shape model was more accurate than the PWM-only mode
132 ing site (TFBS) sequence pattern because the PWM can be estimated from a small number of representati
133                         However, because the PWM probability model assumes independence between indiv
134  BqsR operator affinity was predicted by the PWM well.
135 ional PWM model to a model that combines the PWM with a DNA shape feature-based regulatory potential
136 ndence to aid motif discovery, we extend the PWM model to include pairs of correlated positions and d
137 whether germinative sites different from the PWM originate inhibitory interneurons.
138                      We further show how the PWM strategy extends the utility of bacterial optogeneti
139 he Staden-Bucher approach, that improves the PWM.
140 P-low) cells attenuates proliferation in the PWM, reducing both intermediate progenitor classes.
141  from distant Purkinje neurons maintains the PWM niche independently of its classical role in regulat
142 fied motifs are available, estimation of the PWM may be poor.
143 ibe in this paper a complete solution of the PWM problem using Pade approximations, orthogonal polyno
144 s to both strong and weak occurrences of the PWM, without using thresholds.
145     We applied the proposed technique on the PWM of the GC-box, binding site for Sp1.
146 atures, such as TF-TF interactions, than the PWM approach.
147 e PWM+shape model was more accurate than the PWM-only model, for 45% of TFs tested, with no significa
148                             We show that the PWM based on our data more accurately predicts promoters
149 ndependently controllable, and show that the PWM module can execute rapid concentration changes as we
150 ficiently differentiable with respect to the PWM parameters, which has important consequences for des
151 pe captures information complimentary to the PWM, in a way that is useful for expression modeling.
152 ii) predict TFBSs in SNP sequences using the PWM and map SNPs to the upstream regions of genes; (iii)
153 NA interactions were not captured within the PWM or that the broader regulatory context at each promo
154 between individual nucleotide positions, the PWMs for some TFs poorly discriminate binding sites from
155 eting sequences containing a subset of these PWMs from one identified regulatory element abrogated it
156                                         This PWM helped identify additional DNA-binding sites for EBN
157                                         This PWM was then used for in silico prediction of potential
158                   When TNFR-IgG was added to PWM-stimulated explants, there was a reduction in MMPs i
159                    We compared a traditional PWM model to a model that combines the PWM with a DNA sh
160                The majority of commonly used PWMs are the 4-row mononucleotide matrices, although 16-
161                Based on 64 JASPAR vertebrate PWMs, 61-81% of the cases resulted in a higher conservat
162 tle compared to non-infected controls, while PWM-induced cytokine levels were similar between the two
163 hibit suppressor function when cultured with PWM- or rCD40 ligand (rCD40L)-activated non-T cells, whe
164 t prestimulation of non-T cells for 8 h with PWM or for 48 h for rCD40L results in non-T cells capabl
165  to predict gene expression better than with PWM models alone.
166 nction in the presence of TT with or without PWM or rCD40L.

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