Tài liệu Báo cáo khoa học: The mechanism of a-proton isotope

Tài liệu Báo cáo khoa học: The mechanism of a-proton isotope exchange in amino acids catalysed by tyrosine phenol-lyase doc

... The mechanism of a-proton isotope exchange in amino acids catalysed by tyrosine phenol-lyase 1 What is the role of quinonoid intermediates? Nicolai G. Faleev 1 , Tatyana V. Demidkina 2 , Marina ... deﬁnes automatically the positions of the a-proton and the side chain of any bound amino ac id. The lability of the a-proton observed for a large...

Ngày tải lên : 19/02/2014, 16:20

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Tài liệu Báo cáo khoa học: "The Impact of Query Reﬁnement in the Web People Search Task" docx

... extracted several types of features from each document. First, we applied a simple preprocess- ing to the HTML documents in the corpus, con- verting them to plain text and tokenizing. Then, we extracted ... while avoiding con- fusion with other people sharing the same name. But the utility of clustering is more obvious for re- call oriented queries, where the goal is to mine...

Ngày tải lên : 20/02/2014, 09:20

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Tài liệu Báo cáo khoa học: "The Use of Ooject-Special Knowledge in Natural Language Processing" doc

... [3]. The Functioning of these demons will be Illustrated below. 3.1 THE INITIAL ANALXSIS In the processing of the sentence "Jo~n opened the bottle so he could pour the wine," the ... stereotyplc knowledge of objects into the conceptual analysis of text. By encoding information in OP descriptions, we were able to increase the interpretive power...

Ngày tải lên : 21/02/2014, 20:20

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Tài liệu Báo cáo khoa học: Molecular defect of isovaleryl-CoA dehydrogenase in the skunk mutant of silkworm, Bombyx mori ppt

... acts in the third step of leucine degradation and the sku mutant accumulates branched-chain amino acids in haemolymph, this mutant may be useful in the investigation of unique branched-chain amino acid ... strains revealed the presence of a single point mutation in 1337 nucleotides of BmIVD. In the sku mutant, the 1127th guanine from the start codon was s...

Ngày tải lên : 18/02/2014, 04:20

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Tài liệu Báo cáo khoa học: The occurrence of hemocyanin in Hexapoda docx

... site (NXS ⁄ T), found in PmaHc2 at position Asn334, is conserved in all subunit types (Hc1 and Hc2) with the exception of PmaHc1. An insertion of nine amino acids in PamHc2 starting at amino acid 435 ... into the hemolymph [23] in all subunits except HmeHc1 (Fig. 1). Therefore, the native proteins consist of 650– 670 amino acids with predicted molecular masses o...

Ngày tải lên : 18/02/2014, 08:20

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Tài liệu Báo cáo khoa học: The effect of small molecules in modulating the chaperone activity of aB-crystallin against ordered and disordered protein aggregation pdf

... interact with a number of functional groups, including the aromatic side chains of some amino acids, through a stacking mechanism [42]. The interaction of arginine with aromatic amino acids of aB-crystallin ... analysis of the puriﬁed proteins indicated that they contained < 5% contaminating proteins. The concen- trations of proteins used in these studies wer...

Ngày tải lên : 18/02/2014, 16:20

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Tài liệu Báo cáo khoa học: The sequentiallity of nucleosomes in the 30 nm chromatin ﬁbre pptx

... nucleosomes in the main peak, indicates that crosslinking is almost complete in the middle of the ﬁbre, but some of the end-nucleosomes are not crosslinked to the rest and therefore must originate ... chromatin in which the presence of linker his- tone is questionable. Furthermore, the presence of all oligomers, with dimers up to the half the size of the...

Ngày tải lên : 18/02/2014, 18:20

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Tài liệu Báo cáo khoa học: Molecular aspects of rheumatoid arthritis: chemokines in the joints of patients pdf

... chemokines stimu- lated mainly by in ammatory cytokines, including IL-1b, TNF-a and IFN-c. (B) Chemokines expressed in the joint recruit leukocytes into the joints. In addition to functioning in ... polyarticular joint dis- ease that primarily affects the small joints of the hands and feet. The in ammatory process is characterized by in ltration of in ammatory cell...

Ngày tải lên : 18/02/2014, 18:20

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Tài liệu Báo cáo khoa học: The stereochemistry of benzo[a]pyrene-2¢-deoxyguanosine adducts affects DNA methylation by SssI and HhaI DNA methyltransferases pptx

... 5-methylcytosine was introduced into one of the strands of the recognition site instead of the target cytosine. The melting curves of the hemi- methylated X + CG ⁄ CGM and GCX + ⁄ CGM duplexes containing ... M.HhaI consists of two domains, the large domain containing the S-adenosyl-l-methionine (AdoMet) binding site and the catalytic center, and the small domain co...

Ngày tải lên : 19/02/2014, 00:20

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Tài liệu Báo cáo khoa học: The localization of FGFR3 mutations causing thanatophoric dysplasia type I differentially affects phosphorylation, processing and ubiquitylation of the receptor pptx

... phosphorylation of proteins involved in the trafﬁcking of the receptor, including c-Cbl, could account for its intracellular retention. By contrast, TDI mutations in the ECD or disruption of the termination ... Based on the cDNA sequence of FGFR3 including the 5¢-UTR, the X807R mutation that eliminates the regular stop codon was expected to produce an elongated p...

Ngày tải lên : 19/02/2014, 00:20

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