Báo cáo Y học: Biosynthesis of vitamin B2 An essential zinc ion at the catalytic site of GTP cyclohydrolase II ppt
Báo cáo Y học: Biosynthesis of vitamin B2 An essential zinc ion at the catalytic site of GTP cyclohydrolase II ppt
... in the biosyn-thetic pathways of tetrahydrofolate and tetrahydrobiopterin[3,4]. GTP cyclohydrolase II catalyzes the hydrolytic release of C8 of GTP accompanied by the release of pyrophosphatefrom ... incubated at 30 °C. Spectra were recorded at intervals of 75 s.Fig. 4. Formation of products from deoxyGTP by GTP cyclohydrolase II. Table 4. Catalytic activity of GTP cyclohydrolase II mutants. ... mutants with zinc levels below the level of detection. This suggests that the catalytic zinc ion is chelatedby cysteine residues 54, 65 and 67 of the E. coli enzyme, andthat loss of any one of...
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Báo cáo Y học: Calcium-binding by p26olf, an S100-like protein in the frog olfactory epithelium pot
... somewhat in some of the mutants. The signal of DEF-A was similar to that of the wild-type, but those of other mutants were approximately90% (DEF-C and DEF-D) and 77% (DEF-B) of the wild-type. The ... affected the p26olf conformation in the DEF-B mutant. The CD signal change at 222 nm was expressed as afunction of the Ca21concentration in each mutant, and the data were fitted by the Hill equation ... positive cooperativity. In this case,our suggestion above shows the order of Ca21-binding of the major population in wild-type p26olf. Alternatively, anotherexplanation for the mutant study is possible....
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Báo cáo y học: "CEO- CNE Relationships: Building an Evidence-Base of Chief Nursing Executive Replacement Costs"
... theorized: that CNE turnover and resulting vacancy rates cause costly repercussions to an organization’s financial health and the quality of care delivered; and, that or-ganizational effectiveness ... de-stroyed after computer entry. Only the PI, statistician, and GRA had access to the data. Due to lack of iden-tification with the subject base, no thank you letters were sent. Data Analysis ... level. This study categorized ethnic information by U.S. Census cate-gories of White/Caucasian, African-American, American Indian/Alaska Native, Asian, Ha-waiian/other Pacific Islander, or, two...
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Báo cáo y học: "TPO, but not soluble-IL-6 receptor, levels increase after anagrelide treatment of thrombocythemia in chronic myeloproliferative disorders"
... changes of TPO or sIL-6R concentrations, on the other. Neither were there any significant correlations between changes of TPO or sIL-6R concentrations. Plasma anagrelide concentrations at 6 ... that serum levels of TPO, the major cytokine involved in the regulation of mega-karyocyte and platelet growth and release, was raised at six months of anagrelide treatment; concomitantly there ... a matter of effects related to previous treatments. We cannot offer any mechanistic explanation for why there was a rise in serum TPO levels. One specu-lation relates to the model of action...
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Báo cáo y học: "Placenta Percreta-Induced Uterine Rupture Diagnosed By Laparoscopy in the First Trimester"
... history of Cesarean section. Other risk factors in-clude placenta previa; high parity; advanced maternal age; and a history of endometriosis, dilatation and curettage, myomectomy, or irradiation ... [12, 13]. In the present case, the patient had no history of Cesarean section but had 2 spontaneous abortions treated by dilatation and curettage. Fluid collection during pregnancy is sometimes ... hemoperitoneum. The gradual increase in the size of the uterus with advancing pregnancy can cause a delay in the diagnosis and appropriate treatment. The first laparoscopic surgery during pregnancy was...
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Báo cáo y học: "introduction to special issue on Eye and Zoonosis – from the guest editors"
... Service of the University of Parma (Italy) • Introduction into Pathology of Ocular Zoonoses • Local epidemiology and clinical manifestations of Lyme disease • Ocular manifestations of Lyme borreliosis ... Ocular manifestations of Rickttesiosis: 1. Medi-terranean Spotted Fever: laboratory analysis and case reports • Ocular manifestations of Rickttesiosis: 2. Retinal involvement and treatment ... believe that every ophthalmologist cop-ing with inflammatory eye diseases, either because specifically working on inflammation or because in-flammation has been observed by chance during an ocular...
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Tài liệu Báo cáo khoa học: What makes biochemical networks tick? A graphical tool for the identification of oscillophores ppt
... tability a nalysis o f enzyme systems [20],and to the analysis of concentration oscillations in enzymecycles [21].In this paper, the graph-theoretical stability analysisdeveloped b y C larke ... during the past few years because of the importance of oscillatory signaling for various biological functions.Oscillations in glycolysis [1,2], oscillations of Ca2+concen-trations [3,4], and the ... the steady states, because the presence of steady states on the phase-space border and the irreversible steady-state effluxfrom the species of the negative g raph can eliminateoscillations. The following...
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Tài liệu Báo cáo khoa học: "A Method for Correcting Errors in Speech Recognition Using the Statistical Features of Character Co-occurrence" pptx
... integrating recognition and translation into a speech translation system, the development of the following processes is therefore important: (1) detection of errors in speech recognition results; ... the correct expressions can be estimated frequently by the row of characters before and after the erroneous sections of the sentence. This means that we are involuntarily applying a portion ... is likely to make a significant contribution to the performance of speech translation systems. method also obtains reliably recognized partial segments of an utterance by cooperatively using...
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Tài liệu Báo cáo khoa học: Casein kinase 2 specifically binds to and phosphorylates the carboxy termini of ENaC subunits ppt
... mutagenesis kit (Stratagene) andverified by sequencing. Extraction of rat colon cytosol, itsfractionation by ion exchange chromatography and phos-phorylation of GST–ENaC fusion proteins by eitherCorrespondence ... 4555and the identification of cytosolic fractions that incorporate32P into the C termini of b and cENaC [13,15,22–24].Detailed fractionation of rat colon cytosol by ion exchange chromatography ... by a Km of 1.4 lM, and that the kinasetightly binds to its substrate, it is likely that the abovephosphorylation plays a role in the regulation of Na+transport. A role of the region that...
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Báo cáo khoa học: Transthyretin and familial amyloidotic polyneuropathy Recent progress in understanding the molecular mechanism of neurodegeneration pdf
... Characteriza-tion of the transthyretin acid denaturation pathways byanalytical ultracentrifugation: implications for wild-type, V30M, and L55P amyloid fibril formation. Bio-chemistry37, 17851–17864.111 ... heparan sulfate (HS), der-matan sulfate, keratan sulfate and chondroitin sulfate,which differ in the structure of the carbohydratebackbone and in the extent of sulfation. They arecommonly found ... hydrophobic residues in this region that arenormally buried on the inside of the protein [98]. Dis-location of the C and D strands from their nativeedge region may result in the formation of...
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Từ khóa: báo cáo khoa học y họcbáo cáo y họcbáo cáo y học cổ truyềnbáo cáo y tế học đườngmẫu báo cáo y tế học đườngBáo cáo thực tập tại nhà thuốc tại Thành phố Hồ Chí Minh năm 2018Một số giải pháp nâng cao chất lượng streaming thích ứng video trên nền giao thức HTTPNghiên cứu vật liệu biến hóa (metamaterials) hấp thụ sóng điện tử ở vùng tần số THzGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitĐỒ ÁN NGHIÊN CỨU CÔNG NGHỆ KẾT NỐI VÔ TUYẾN CỰ LY XA, CÔNG SUẤT THẤP LPWANNGHIÊN CỨU CÔNG NGHỆ KẾT NỐI VÔ TUYẾN CỰ LY XA, CÔNG SUẤT THẤP LPWAN SLIDEPhối hợp giữa phòng văn hóa và thông tin với phòng giáo dục và đào tạo trong việc tuyên truyền, giáo dục, vận động xây dựng nông thôn mới huyện thanh thủy, tỉnh phú thọTrả hồ sơ điều tra bổ sung đối với các tội xâm phạm sở hữu có tính chất chiếm đoạt theo pháp luật Tố tụng hình sự Việt Nam từ thực tiễn thành phố Hồ Chí Minh (Luận văn thạc sĩ)Phát hiện xâm nhập dựa trên thuật toán k meansNghiên cứu, xây dựng phần mềm smartscan và ứng dụng trong bảo vệ mạng máy tính chuyên dùngThiết kế và chế tạo mô hình biến tần (inverter) cho máy điều hòa không khíKiểm sát việc giải quyết tố giác, tin báo về tội phạm và kiến nghị khởi tố theo pháp luật tố tụng hình sự Việt Nam từ thực tiễn tỉnh Bình Định (Luận văn thạc sĩ)chuong 1 tong quan quan tri rui roGiáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtGiáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtQUẢN LÝ VÀ TÁI CHẾ NHỰA Ở HOA KỲ