Báo cáo khoa học: Quantitative interdependence of coeffector

Báo cáo khoa học: Quantitative interdependence of coeffectors, CcpA and cre in carbon catabolite regulation of Bacillus subtilis pot

... differences of HPrSerP and CrhP FEBS Journal 272 (2005) 2566–2577 ª 2005 FEBS 2577 Quantitative interdependence of coeffectors, CcpA and cre in carbon catabolite regulation of Bacillus subtilis Gerald ... couple aminomodiﬁed DNA to that chip and measured CcpA cre binding, HPrSerP stimu- lation of CcpA cre binding and their reaction rates. Initial expe...

Ngày tải lên : 23/03/2014, 13:20

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Tài liệu Báo cáo khoa học: Collagen I regulates matrix metalloproteinase-2 activation in osteosarcoma cells independent of S100A4 pdf

... proteolysis of extracellular matrix. Most MMPs are secreted as inactive proenzymes and latency is maintained by an interaction between a cystein residue in the prodomain and Zn 2+ in the active site of ... FEBS protein in the two cell lines was determined as described in Materials and methods, and 81 lg of protein was added to each well. The amount of S100A4 in the...

Ngày tải lên : 18/02/2014, 11:20

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Báo cáo khoa học: The b-N-acetylglucosaminidases NAG1 and NAG2 are essential for growth of Trichoderma atroviride on chitin doc

... turnover in marine and soil ecosystems. In the sea, chitin is found as the main compound of the exoskeleton of crustaceans, and on land it is an essential structural component of insects and the ... fungi contain on average 15–20 genes encoding chitinases, but only two or three genes encoding GH family 20 proteins. Potential functions of chitin-degrading enzymes in fungi i...

Ngày tải lên : 23/03/2014, 05:22

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Báo cáo khoa học: Multifunctional host defense peptides: functional and mechanistic insights from NMR structures of potent antimicrobial peptides docx

... divided into three groups, a-helical (e.g. cecropin and magainin), b-sheet or b-hairpin, stabilized by disulﬁde bonds (e.g. defensins, tachyplesins, and protegrins), and extended (e.g. indo- licidin ... determined the binding sites of LPS in the presence of polymyxin antibiotic peptides, using DPC-solublized isotope-labeled LPS [66]. Remaining challenges In order to form pores...

Ngày tải lên : 29/03/2014, 22:21

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Báo cáo khoa học: "Generating Usable Formats for Metadata and Annotations in a Large Meeting Corpus" pptx

... visibility of the AMI Corpus. 1 Introduction The AMI Meeting Corpus (Carletta and al., 2006) is one of the largest and most extensively annotated data sets of multimodal recordings of human interaction. ... particular coding schemes. This paper describes work on the generation of annotation and metadata databases in order to increase the usability of these components...

Ngày tải lên : 08/03/2014, 02:21

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Báo cáo khoa học: "Identifying Broken Plurals, Irregular Gender, and Rationality in Arabic Text" ppt

... train on a quarter of the training set and classify words in sequence. We only use a portion of the training data to increase the percentage of words unseen in training. We also compare to using ... that training single classiﬁers and combining their outcomes almost always outperforms a single joint classi- ﬁer for the three target features. In other words, combining the r...

Ngày tải lên : 24/03/2014, 03:20

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Báo cáo khoa học: "Local constraints on sentence markers and focus in Somali" doc

... Morphology Somali has a fairly standard set of in ectional af- ﬁxes for nouns and verbs, as outlined below. In addition, there are a substantial set of ‘spelling rules’ which insert and delete graphemes ... processes of applying spelling rules and inspecting the lexicon are appropriately interwoven. The deﬁnite articles, in particular, require considerable care. There are a n...

Ngày tải lên : 31/03/2014, 01:20

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Tài liệu Báo cáo khoa học: Quantitative analysis of the experimental O–J–I–P chlorophyll ﬂuorescence induction kinetics Apparent activation energy and origin of each kinetic step Steve Boisvert, David Joly and Robert Carpentier doc

... binding of a DCMU molecule in the Q B pocket; the remaining PSII centers are unaffected. However, a saturating concen- tration of DCMU would inhibit completely the activity of PSII by preventing ... Q A to Q B [21,22], is of importance for modulating the dynamics of PQ pool reduction and determining its effect on FI kinetics as discussed below. The increase in A O–J observed...

Ngày tải lên : 19/02/2014, 05:20

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Tài liệu Báo cáo khóa học: Quantitative analysis, using MALDI-TOF mass spectrometry, of the N-terminal hydrolysis and cyclization reactions of the activation 2 process of onconase pdf

... function of pH and temperature In order to determine the effect of pH and temperature on the cyclization of the N-terminal glutaminyl to pyrogluta- myl, 0.1 m M (Met1)-ONC (M23L), in 0.2 M potassium phosphate ... almost linear and can be obtained by calculating the slope of the curves of Pyr-ONC (M23L) vs. time. From the rates of cyclizationshowninTable1,itcanbeinferredt...

Ngày tải lên : 19/02/2014, 12:20

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Tài liệu Báo cáo khoa học: Quantitative estimation of channeling from early glycolytic intermediates to CO2 in intact Escherichia coli pdf

... channeling Prior investigations of channeling may be divided into two categories: in vitro and in vivo. The former include experiments with cell extracts and puriﬁed enzymes. These are inherently unsatisfying. ... [ 14 C]aminoacyl-tRNA (made in the pathway from 14 C-labeled amino acids), [ 3 H]aminoacyl-tRNA, 14 C- and 3 H-labeled protein were measured. The 3 Hin protein was ins...

Ngày tải lên : 19/02/2014, 18:20

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