Báo cáo y học: "Meta-morphosis" potx
Báo cáo y học: "H5N1" potx
... in any cell type, not just trypsin-containing lung cells.) And finally, the 1918 strain has polymerase genes that allow it to replicate very efficiently in human bronchial cells. The polymerase ... recovery time of infected individuals by a couple of days, reduced the risk of complications, and when taken prophylactically seemed to protect against infection in many cases. Since they hit ... f...
Ngày tải lên: 14/08/2014, 14:22
Tài liệu Báo cáo Y học: Structure of the O-polysaccharide and classification of Proteus mirabilis strain G1 in Proteus serogroup O3 potx
... f 2-amino-2-deoxygalactose and lysine. The D configuration of GalA and GalN was determined by GLC of the acetylated (S)-2-butyl glycosides and the L configuration of lysine by GLC of the acetylated (S)-2-butyl ... Shashkov 2 and Yuriy A. Knirel 2 1 Department of General Microbiology, Institute of Microbiology and Immunology, University of Lodz, Poland; 2 N.D. Zelinsky Institute of Organic Chemi...
Ngày tải lên: 21/02/2014, 15:20
Tài liệu Báo cáo Y học: The insert within the catalytic domain of tripeptidyl-peptidase II is important for the formation of the active complex potx
... describe d in Materials a nd methods. Enzyme activity was a nalysed by the standard assay and the i mmunoreactivity was detected by Western blot analysis and quantitated as described i n Materials ... described previously usin g a ffinity purifi ed polyclonal chicken anti-(human TPP II) Ig [25]. The immunoreactivity was quantitated from scanned X-ray films by use of the MOLECULAR ANALYST softwar...
Ngày tải lên: 21/02/2014, 15:20
Tài liệu Báo cáo Y học: CK2btes gene encodes a testis-specific isoform of the regulatory subunit of casein kinase 2 in Drosophila melanogaster potx
... negatively regulates the CK2 catalytic a ctivity toward calmodulin and this suppression is overcome by polylysine. The CK2btes binding with a subunit occurs in yeast cells as was shown by registration ... radio- activity in this substrate. The addition of polylysine practically has n o effect on the phosphorylation of calmodulin by free a subu nit (Fig. 3, lane 4), but drastically stimulates...
Ngày tải lên: 21/02/2014, 15:20
Tài liệu Báo cáo Y học: Novel bradykinins and their precursor cDNAs from European yellow-bellied toad (Bombina variegata) skin potx
... This sensitivity is well within the capability of the ES-MS system employed. The primary structural diversity displayed within amphibian skin bradykinins may not simply be due to phylogenetic differences ... (Tokyo) 16, 769–774. 15. Anastasi, A., Bertaccini, G. & Erspamer, V. (1966) Pharmacolo- gical data on phyllokinin (braykinyl-isoleucyl-tyrosine-0-sulphate) and bradykinyl-isoleucyl-ty...
Ngày tải lên: 21/02/2014, 15:20
Tài liệu Báo cáo Y học: Steady-state kinetics of the glutaminase reaction of CTP synthase from Lactococcus lactis The role of the allosteric activator GTP in coupling between glutamine hydrolysis and CTP synthesis potx
... enzyme, that also catalyzes amino transfer from glutamine, is carbamoyl phosphate synthase (CPS) which is the first enzyme of the de novo pyrimidine biosynthesis. For CPS, glutamine hydrolysis has ... the same type of allosteric activation of glutamine hydrolysis takes place by the phosphorylation of UTP on CTP synthase, only that for CTP synthase this allosteric effect exerted by the amino .....
Ngày tải lên: 21/02/2014, 15:20
Tài liệu Báo cáo Y học: Novel complexes of mammalian translation elongation factor eEF1AÆGDP with uncharged tRNA and aminoacyl-tRNA synthetase potx
... °C. The carboxymethyl dextran matrix of the sensor chip was activated by a 30-lL injection of the mixture of 0.2 M 1-ethyl-3-[(3-dimethylamino)propyl]carbodiimide and 0.05 M N-hydroxysuccinimide ... aminoacyl-tRNA synthetase Implications for tRNA channeling Zoya M. Petrushenko, Tatyana V. Budkevich, Vyacheslav F. Shalak, Boris S. Negrutskii and Anna V. El’skaya Institute of Molecular Biology...
Ngày tải lên: 21/02/2014, 15:20
Tài liệu Báo cáo Y học: Characterization of a novel silkworm (Bombyx mori ) phenol UDP-glucosyltransferase potx
... ith a specific enz yme activity. Keywords: Bombyx mori; detoxication; insect; UDP- glycosyltransferase. The UDP-glycosyltransferases ( UGTs) are a superfamily of enzymes that p lay a central role ... phenols Guaiacol 0.38 ± 0.18 Salicyl aldehyde 0.28 ± 0.14 Catechol ND Salicyl alcohol ND Salicylic acid ND L -Tyrosine ND p-Disubstituted phenols p-Hydroxybiphenyl 3.92 ± 0.39 p-Nitrophenol 1.97 ....
Ngày tải lên: 22/02/2014, 04:20
Tài liệu Báo cáo Y học: Kinetic study of sn-glycerol-1-phosphate dehydrogenase from the aerobic hyperthermophilic archaeon, Aeropyrum pernix K1 potx
... specificity and enzyme activity The substrate specificity of Gro1P dehydrogenase was examined using the purified enzyme. No activity w as observed t oward glyceraldehyde phosphate, Gro3P,glycer- ol-2-phosphate ... NAD + at 2.1 m M dihydroxyacetone phosphate and varying NADH concentration; B-2, in hibitio n of dihydroxyacetone phosphate reduction by NAD + at 0.32 m M NADH and varying dihydroxyace...
Ngày tải lên: 22/02/2014, 04:20
Tài liệu Báo cáo Y học: Divergent members of a soybean (Glycine max L.) 4-coumarate:coenzyme A ligase gene family potx
... suitably ring-substituted cinnamoyl CoA esters as substrates (Fig. 6 ). However, phenyl ring modification involving hydroxylation and O-methylation can basically occur by different pathways, namely by modifications ... have been described, including cytochrome P450-dependent hydroxylations [11,21] as well as O-methylations that operate on caffeoyl-CoA and 5-hydroxyconiferyl aldehyde [12,22,23]....
Ngày tải lên: 22/02/2014, 04:20