986 resultados para Directory
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Publicación bilingüe
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Maps: Information on water resources and their uses (technical, legal, etc. issues)
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An Internet portal accessible at www.gdb.unibe.ch has been set up to automatically generate color-coded similarity maps of the ChEMBL database in relation to up to two sets of active compounds taken from the enhanced Directory of Useful Decoys (eDUD), a random set of molecules, or up to two sets of user-defined reference molecules. These maps visualize the relationships between the selected compounds and ChEMBL in six different high dimensional chemical spaces, namely MQN (42-D molecular quantum numbers), SMIfp (34-D SMILES fingerprint), APfp (20-D shape fingerprint), Xfp (55-D pharmacophore fingerprint), Sfp (1024-bit substructure fingerprint), and ECfp4 (1024-bit extended connectivity fingerprint). The maps are supplied in form of Java based desktop applications called “similarity mapplets” allowing interactive content browsing and linked to a “Multifingerprint Browser for ChEMBL” (also accessible directly at www.gdb.unibe.ch) to perform nearest neighbor searches. One can obtain six similarity mapplets of ChEMBL relative to random reference compounds, 606 similarity mapplets relative to single eDUD active sets, 30 300 similarity mapplets relative to pairs of eDUD active sets, and any number of similarity mapplets relative to user-defined reference sets to help visualize the structural diversity of compound series in drug optimization projects and their relationship to other known bioactive compounds.
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List of Physicians and Surgeons arranged by location, giving post office address with population and location, the School practiced, date and college of graduation, all the existing and extinct medical colleges in North America, with locations, officers, number of professors, lecturers, demonstrators, etc., the various medical societies, penal, reformatory and charitable state institutions, hospitals, sanitariums, dispensaries, asylums and other medical institutions, boards of health, boards of medical examiners, health officers at principal points, the laws of registration and other laws relating to the profession, medical journals with names of editors, frequency of publication and subscription rates, medical libraries, a therapeutic classification of American health resorts, mineral springs, official list of officers of the medical departments of the U.S. Army, Navy and Marine Hospital Service, the U.S. Indian Service, roster of examining surgeons of the U.S. Pension Department, a descriptive sketch of each state, territory and province, embodying such matters as location, boundary, extent in miles and acres, latitude and longitude, statistics relating to climate, temperature, rate of mortality, etc. Full particulars of all national and inter-state associations and societies relating to medicine and surgery, and an INDEX TO THE PHYSICIANS OF THE UNITED STATES. Arranged alphabetically, with the number of the page and column in which the name appears.
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List of Physicians and Surgeons arranged by states and provinces, giving post office address with population and location, the School practiced, date and college of graduation, all the existing and extinct medical colleges in the United States and Canada, with locations, officers, number of professors, lecturers, demonstrators, etc., the various medical societies, state prisons, hospitals, sanitariums, dispensaries, asylums and other medical institutions, boards of health, boards of medical examiners, a synopsis of the laws of registration and other laws relating to the profession, medical journals with names of editors, frequency of publication and subscription rates, medical libraries, mineral springs, official list of officers of the medical departments of the U.S. Army, Navy and Marine Hospital Service, roster of examining surgeons of the U.S. Pension Department, a descriptive sketch of each state, territory and province, embodying such matters as location, boundary, extent in miles and acres, latitude and longitude, statistics relating to climate, temperature, rate of mortality, number of deaths from consumption, etc. full particulars of all national associations and societies relating to medicine and surgery, and an INDEX TO THE PHYSICIANS OF THE UNITED STATES. Arranged alphabetically, with the number of the page on which the name appears.
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We have used two monovalent phage display libraries containing variants of the Zif268 DNA-binding domain to obtain families of zinc fingers that bind to alterations in the last 4 bp of the DNA sequence of the Zif268 consensus operator, GCG TGGGCG. Affinity selection was performed by altering the Zif268 operator three base pairs at a time, and simultaneously selecting for sets of 16 related DNA sequences. In this way, only four experiments were required to select for all possible 64 combinations of DNA triplet sequences. The results show that (i) for high-affinity DNA binding in the range observed for the Zif268 wild-type complex (Kd = 0.5–5 nM), finger 1 specifically requires the arginine at the carboxy terminus of its recognition helix that forms a bidentate hydrogen-bond with the guanine base (G) in the crystal structure of Zif268 complexed to its DNA operator sequence GCG TGG GCG; (ii) when the guanine base (G) is replaced by A, C, or T, a lower-affinity family (Kd ⩾ 50 nM) can be detected that shows an overall tendency to bind G-rich DNA; (iii) the residues at position 2 on the finger 2 recognition helix do not appear to interact strongly with the complementary 5′ base in the finger 1 binding site; and (iv) unexpected substitutions at the amino terminus of finger 1 can occasionally result in specificity for the 3′ base in the finger 1 binding site. A DNA recognition directory was constructed for high-affinity zinc fingers that recognize all three bases in a DNA triplet for seven sequences of the type GNN. Similar approaches may be applied to other zinc fingers to broaden the scope of the directory.