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báo cáo khoa học y học

Tài liệu Báo cáo khoa học: Homologous expression of the nrdF gene of Corynebacterium ammoniagenes strain ATCC 6872 generates a manganese-metallocofactor (R2F) and a stable tyrosyl radical (Y•) involved in ribonucleotide reduction ppt

Tài liệu Báo cáo khoa học: Homologous expression of the nrdF gene of Corynebacterium ammoniagenes strain ATCC 6872 generates a manganese-metallocofactor (R2F) and a stable tyrosyl radical (Y•) involved in ribonucleotide reduction ppt

Báo cáo khoa học

... rapidly passed backfrom the R1E subunit to the tyrosyl of the R2F sub-unit. Subsequently, the dicysteine unit is re-reduced byan exogenous reductant and catalytic activity isrestored. By not ... catalysis, as expected.The tyrosyl radical of the R2F subunit was alsomonitored during the course of the enzyme assay.Curiously, under conditions where the product wasformed, the tyrosyl radical, ... 408 nm, characteris-tic of a tyrosyl radical (Y Æ), which is sensitive to the radical scavengerhydroxyurea. A novel enzyme assay revealed the direct involvement of Y Æin ribonucleotide reduction...
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Tài liệu Báo cáo khoa học: Neuropeptide Y and osteoblast differentiation – the balance between the neuro-osteogenic network and local control ppt

Tài liệu Báo cáo khoa học: Neuropeptide Y and osteoblast differentiation – the balance between the neuro-osteogenic network and local control ppt

Báo cáo khoa học

... activity. NPY is able to act throughfive different receptors (Y1 , Y2 , Y4 , Y5 and y6 ) thatvary in their binding profiles and in their distributionin the central nervous system and periphery. Y1 , Y2 and ... Cytokines, estrogen, and postmeno-pausal osteoporosis – the second decade. Endocrinology139, 2659–2661.LeptinNPY Y2 Y1 Y2 NPYNPYOsteoblastsHypothalamusFat tissueSympathic nervous systemNPYCirculating ... response ismediated centrally, the Y1 response is mediated byosteoblastic Y1 . Thus, hypothalamic signals sustain asystemic regulatory influence via Y2 , whereas osteoblas-tic Y1 enables additional...
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Tài liệu Báo cáo khoa học: Specific membrane binding of the carboxypeptidase Y inhibitor IC, a phosphatidylethanolamine-binding protein family member doc

Tài liệu Báo cáo khoa học: Specific membrane binding of the carboxypeptidase Y inhibitor IC, a phosphatidylethanolamine-binding protein family member doc

Báo cáo khoa học

... carboxypeptidase Y; FM4-64, N-(3-triethylammoniumpropyl)-4-(p-diethylaminophenylhexatrienyl) pyridinium dibromide; GFP, greenfluorescent protein; IC, carboxypeptidase Y inhibitor; PC, phosphatidylcholine; ... Hayashida M, Fujii T, Hata Y, Hayashi R &Ueda M (2004) Crystallization and preliminary X-rayanalysis of carboxypeptidase Y inhibitor ICcomplexedwith the cognate proteinase. Acta Crystallogr ... carboxy-peptidase Y in yeast. Biochem Biophys Res Commun 60,1051–1057.3 Lenney JF, Matile Ph, Wiemken A, Schellenberg M &Meyer J (1974) Activities and cellular localization ofyeast proteases...
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Tài liệu Báo cáo khoa học: Neuropeptide Y-family receptors Y6and Y7in chicken Cloning, pharmacological characterization, tissue distribution and conserved synteny with human chromosome region docx

Tài liệu Báo cáo khoa học: Neuropeptide Y-family receptors Y6and Y7in chicken Cloning, pharmacological characterization, tissue distribution and conserved synteny with human chromosome region docx

Báo cáo khoa học

... ovary; cNPY, chicken neuropeptide Y; cPP, chicken pancreatic polypeptide; cPYY, chicken peptide YY; Hsa,Homo sapiens chromosome; pNPY, porcine neuropeptide Y; PP, pancreatic polypeptide; pPYY, ... > cPP (see Table 1). Interestingly, pNPY had alower affinity than pPYY, thereby making it unlikelythat cNPY would bind with higher affinity (they differby only two conservative replacements as ... determine theaffinity of cPYY also to the previously cloned Y- familyreceptors in chicken. Among the intact peptide ligands,the rank order of potency was pPYY > pNPY >cPYY > cPP (see Table...
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Tài liệu Báo cáo khóa học: A multi-protein complex containing cold shock domain (Y-box) and polypyrimidine tract binding proteins forms on the vascular endothelial growth factor mRNA Potential role in mRNA stabilization pptx

Tài liệu Báo cáo khóa học: A multi-protein complex containing cold shock domain (Y-box) and polypyrimidine tract binding proteins forms on the vascular endothelial growth factor mRNA Potential role in mRNA stabilization pptx

Báo cáo khoa học

... [24–27]. There are two types ofnongerm cell CSD proteins and these are called dbpB(also known as YB-1, MSY-1, chkYB-1b, EF1A, p50 andFRGY1) and dbpA (MSY4, chkYB-2 and YB2/RYBa).DbpB and dbpA ... [47],dbpB/YB-1 binding to the IL-2 5¢-UTR [31] and the VEGF 5¢-UTRCSD site 1. MSY1, ChkYB-1b and FRGY1 are dbpB/YB-1 proteins.MSY-4 and chkYB-2 are dbpA proteins, and MSY2 and FRGY2 aregerm ... of stably transfected cell lines was asdescribed previously [15]. Hypoxic conditions (1% O2)weregenerated in a hypoxic chamber (Edwards InstrumentCompany, Sydney, Australia).Analysis of...
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báo cáo khoa học “ Điều tra tình hình sản xuất một số sản phẩm lên men truyền thống từ nguyên liệu thủy sản tại thị trấn Thuận An, huyện Phú Vang, tỉnh Thừa Thiên Huế

báo cáo khoa học “ Điều tra tình hình sản xuất một số sản phẩm lên men truyền thống từ nguyên liệu thủy sản tại thị trấn Thuận An, huyện Phú Vang, tỉnh Thừa Thiên Huế

Báo cáo khoa học

... th y sản”,“Công nghệ chế biến tôm chua.”, “Công nghệ chế biến mắm ruc, mắm nêm”,  3. Ths. ,“CÔNG NGHỆ CHẾ BIẾN NƯỚC MẮM”, “Công nghệ chế biến th y sản”, ... CHẾ BIẾN NƯỚC MẮM”, “Công nghệ chế biến th y sản”,  4. “X y dựng quy trình sản xut chế phẩm vi khuẩn lactic ứng dng trong lên men tôm chua”,  ...  4.4.2 Mm ruc Bng 4.6 ng và s c khi ch bin mm ruc  Nguyên nhân   +  + không...
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Báo cáo khoa học: New application of firefly luciferase ) it can catalyze the enantioselective thioester formation of 2-arylpropanoic acid docx

Báo cáo khoa học: New application of firefly luciferase ) it can catalyze the enantioselective thioester formation of 2-arylpropanoic acid docx

Báo cáo khoa học

... commonly observed in adenylate-forming enzymes, such as aminoacyl-tRNA synthetases,Keywordsacyl-CoA synthetase; enantiomer; fire y luciferase; kinetic resolution; nonsteroidalanti-inflamatory drugsCorrespondenceD ... kinds of hydrolytic conditions, chemicalhydrolysis under high pH and enzymatic hydrolysisunder neutral pH, were examined, because there wassome fear of racemization by the chemical hydrolysis.The ... Identification of 2-arylpropanoyl-CoA produced by LUC-Hwith TOF-MS analysis. For the detection of 2-arylpropanoyl-CoAsby TOF-MS analysis, see the Experimental procedures section.Entry ThioesterPredicted[M-H]–Observed[M-H]–Error(p.p.m.)1...
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Báo cáo khoa học: The propeptide in the precursor form of carboxypeptidase Y ensures cooperative unfolding and the carbohydrate moiety exerts a protective effect against heat and pressure pot

Báo cáo khoa học: The propeptide in the precursor form of carboxypeptidase Y ensures cooperative unfolding and the carbohydrate moiety exerts a protective effect against heat and pressure pot

Báo cáo khoa học

... data). Tryptophan and tyro-sine residues (Y1 7, Y2 0, Y8 2, W84, and W369) in CPYwould be perturbed by the carbohydrate moiety, thusincreasing their fluorescence, since they are in close proximityto ... 2562–2567.Table 1. Summary of qualitative thermodynamic parameters for the temperature- and pressure-induced transitions of CPY, Dgly CPY, proCPY andDgly proCPY calculated by fluorescence analysis. Errors ... pro-nounced hydration upon unfolding of the unglycosylatedform.At high pressure, in the glycosylated forms the carbohy-drate moiety of CPY and proCPY would be hydrated tocompensate the volume contraction...
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Báo cáo khoa học: Sub-zero temperature inactivation of carboxypeptidase Y under high hydrostatic pressure pot

Báo cáo khoa học: Sub-zero temperature inactivation of carboxypeptidase Y under high hydrostatic pressure pot

Báo cáo khoa học

... 6110.Abbreviations:ATEE,N-acetyl-L-tyrosine ethyl ester monohydrate;BTEE, benzoyl-L-tyrosine ethyl ester; CPY, carboxypeptidase Y; GdnHCl, guanidine hydrochloride.*Present address: Sanyo Chemical Co., Kyoto, Japan.Present ... of carbohydratemoiety in carboxypeptidase Y: structural study of mutant enzymelacking carbohydrate moiety. Biochem. Biotechn Biosci. 63, 1045–1050.2. Jung, G., Ueno, H. & Hayashi, R. ... cleft of CPY is constructed with five a-helices,these locate as if they surround the catalytic triad. Inaddition, five disulfide bridges (Cys56–298, Cys198–207,Cys217–240, Cys224–233 and Cys262–268)...
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Báo cáo khoa học: Neuropeptide Y, B-type natriuretic peptide, substance P and peptide YY are novel substrates of fibroblast activation protein-a pdf

Báo cáo khoa học: Neuropeptide Y, B-type natriuretic peptide, substance P and peptide YY are novel substrates of fibroblast activation protein-a pdf

Báo cáo khoa học

... Gorrell11 Centenary Institute, Sydney Medical School, University of Sydney, NSW, Australia2 Pharmaceutical Chemistry, Faculty of Pharmacy, University of Sydney, NSW, AustraliaKeywordsantiplasmin-cleaving ... pmolÆmin)1Ælg)1on benzyloxycar-bonyl (Z)-Gly-Pro-AMC and 1830 nmolÆmin)1Ælg)1onH-Gly-Pro-p-nitroanilide, respectively. To assay thesubstrate specificity of each protease, enzyme activityassays were ... megakaryocytes, adipose tissue and gut [45,46].Dipeptidyl peptidase truncation of NPY by FAP orDPP4 yields NPY3–36. NPY3–36is inactive on the Y1 receptor, and has greater affinity for the Y2 ...
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