Báo cáo y học: "The Versatile Use of Temporoparietal Fascial Flap"
Báo cáo y học: "The Versatile Use of Temporoparietal Fascial Flap"
Ngày tải lên: 25/10/2012, 11:00
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 Natural History of Hepatitis C Virus (HCV) Infection"
Ngày tải lên: 02/11/2012, 09:56
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 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, ... of evidence of sites of interaction and of conformational changes occurring in actin that are an important aspect of the regulatory process (Fig. 10). They also imply that 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
... of PG-1 is particularly hydrophobic as it contains only a polar residues Leu5, Cys6, Tyr7, Cys8, Phe12, Cys13, Val14, Cys15 and Val16 alternatively distributed on each side of the b sheet [9,10]. ... 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 pe...
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
... phosphoimager (Fuji). Enzyme assays IIA Crr activity was assayed by complementation of the glucose-specific PTS of E. coli measuring phosphoenolpyru- vate-dependent phosphorylation of methyl [a- 14 C]glucoside ([ 14 C]aMG; ... sugar phosphotransferase system; isopropyl, thio-b- D -galactose (IPTG); Enzymes: enzyme I of the phosphoenolpyruvate-dependent sugar phosphotransferase system (...
Ngày tải lên: 17/03/2014, 23:20
Báo cáo Y học: Engineering and use of 32P-labeled human recombinant interleukin-11 for receptor binding studies docx
... the presence of serial dilutions of the cytokine. After 7 days of culture , the num be r of s urviving cells was determined by a colorimetric assay of he xo saminidase. I n t his a ssay, the a bsorbance ... presence of twofold dilutions of IL-11 (2 lgÁmL )1 ). After 7 days of cultu re, the number o f surviving cells was determined by a c olorimetric assay of hexosaminidase....
Ngày tải lên: 24/03/2014, 00:21
Báo cáo Y học: The N-terminus of m5C-DNA methyltransferase Msp I is involved in its topoisomerase activity docx
... decrease in enzyme activity. Further deletions caused complete loss of activity. The N-terminus is a variable region present in many prokaryotic DNA (cytosine-5) methylases which plays no role in ... I. Methylation of DNA at C-5 of cytosine has been implicated in a number of biological processes in prokaryotes: control of immunity [1], gene expression [2], and replication [3]. In eu...
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
... proton catalysis performed by the distal histidine residue (Eqn 4). Similarly, Shaanan [31] reported the stereochemistry of the iron-dioxygen bond in human HbO 2 by single-crystal X-ray analysis. In ... access of a proton to the bound 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 doze...
Ngày tải lên: 31/03/2014, 15:20