Báo cáo y học: "The primary prevention of birth defects: Multivitamins or folic acid"
Báo cáo y học: "The primary prevention of birth defects: Multivitamins or folic acid"
Ngày tải lên: 03/11/2012, 10:05
Báo cáo y học: "The evolving story of medical emergency teams in quality improvement"
Ngày tải lên: 25/10/2012, 10:06
Báo cáo y học: "The Versatile Use of Temporoparietal Fascial Flap"
Ngày tải lên: 25/10/2012, 11:00
Báo cáo y học: "The Natural History of Hepatitis C Virus (HCV) Infection"
Ngày tải lên: 02/11/2012, 09:56
Báo cáo y học: "Epidemiology and Prevention of Hepatitis B Virus Infection"
Ngày tải lên: 02/11/2012, 11:12
Báo cáo Y học: The inhibitory region of troponin-I alters the ability of F-actin to interact with different segments of myosin pot
... ability of tropo- myosin to extend the inhibitory activity of the troponin I molecule from one to seven actin monomers. Correspondence to S. V. Perry, Department of Physiology, School of Medicine, ... the ability of the inhibitory region of TnI to influence the surface activity of actin towards other actin binding proteins. The site of binding of the inhibitory region is the...
Ngày tải lên: 17/03/2014, 10:20
Báo cáo Y học: The solution structure of gomesin, an antimicrobial cysteine-rich peptide from the spider pptx
... either by presaturation for COSY and TOCSY experiments or using the WATERGATE pulse sequence [21] for NOESY experiments. A new series of TOCSY and NOESY spectra in D 2 O was also recorded at ... structure clearly displays (a) an hydrophobic face formed by a large aggregate of hydrophobic residues (Leu5, Tyr7, Val12, and T yr14) w hich are located on the concave surface of t he peptide...
Ngày tải lên: 17/03/2014, 23:20
Báo cáo Y học: The phosphotransferase system of Streptomyces coelicolor IIACrr exhibits properties that resemble transport and inducer exclusion function of enzyme IIAGlucose of Escherichia coli pptx
... protein assay. Proteins were stored at )20 °Cor )70 °C. Phospho enol pyruvate-dependent phosphorylation Preparation of [ 32 P]phosphoenolpyruvate and protein phos- phorylation assays were carried ... sugar phosphotransferase system; isopropyl, thio-b- D -galactose (IPTG); Enzymes: enzyme I of the phosphoenolpyruvate-dependent sugar phosphotransferase system (EC 2.7.3.9); enzyme II of th...
Ngày tải lên: 17/03/2014, 23:20
Báo cáo Y học: The N-terminus of m5C-DNA methyltransferase Msp I is involved in its topoisomerase activity docx
... DNA [15,16]. M.MspI catalyzes the exchange of tritium at C-5 of cytosine from tritiated water in the absence of cofactor AdoMet, not common in many members of m5C-MTase family [17]. M.MspIandM.SssI ... m M dithiothreitol, 20% (v/v) glycerol]. The assay was performed by incubating DNA (1 lg) and enzyme at 37 °C for 30 min in a reaction volume of 30 lL. The DNA was then analyzed by el...
Ngày tải lên: 24/03/2014, 00:21
Báo cáo Y học: The a1b1 contact of human hemoglobin plays a key role in stabilizing the bound dioxygen Further evidence from the iron valency hybrids potx
... dioxygen cannot yield such an enzyme-like, catalytic e ffect on the autoxidation rate of MbO 2 or HbO 2 . Insofar as we have examined for more than a dozen of myoglobins, such a proton-catalyzed ... stability by blocking out the proton catalysis performed by the distal histidine residue (Eqn 4). Similarly, Shaanan [31] reported the stereochemistry of the iron-dioxygen bond in human Hb...
Ngày tải lên: 31/03/2014, 15:20