Guanine Nucleotide Dissociation Inhibitors: Protein factors that inhibit the dissociation of GDP from GTP-BINDING PROTEINS.Algorithms: A procedure consisting of a sequence of algebraic formulas and/or logical steps to calculate or determine a given task.Models, Molecular: Models used experimentally or theoretically to study molecular shape, electronic properties, or interactions; includes analogous molecules, computer-generated graphics, and mechanical structures.Software: Sequential operating programs and data which instruct the functioning of a digital computer.Proteins: Linear POLYPEPTIDES that are synthesized on RIBOSOMES and may be further modified, crosslinked, cleaved, or assembled into complex proteins with several subunits. The specific sequence of AMINO ACIDS determines the shape the polypeptide will take, during PROTEIN FOLDING, and the function of the protein.Macromolecular Substances: Compounds and molecular complexes that consist of very large numbers of atoms and are generally over 500 kDa in size. In biological systems macromolecular substances usually can be visualized using ELECTRON MICROSCOPY and are distinguished from ORGANELLES by the lack of a membrane structure.Computer Simulation: Computer-based representation of physical systems and phenomena such as chemical processes.Crystallization: The formation of crystalline substances from solutions or melts. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)Crystallography, X-Ray: The study of crystal structure using X-RAY DIFFRACTION techniques. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)Protein Interaction Mapping: Methods for determining interaction between PROTEINS.Cupressaceae: A plant family of the order Pinales, class Pinopsida, division Coniferophyta (conifers). They are mainly resinous, aromatic evergreen trees.VietnamLigands: A molecule that binds to another molecule, used especially to refer to a small molecule that binds specifically to a larger molecule, e.g., an antigen binding to an antibody, a hormone or neurotransmitter binding to a receptor, or a substrate or allosteric effector binding to an enzyme. Ligands are also molecules that donate or accept a pair of electrons to form a coordinate covalent bond with the central metal atom of a coordination complex. (From Dorland, 27th ed)Cosmetics: Substances intended to be applied to the human body for cleansing, beautifying, promoting attractiveness, or altering the appearance without affecting the body's structure or functions. Included in this definition are skin creams, lotions, perfumes, lipsticks, fingernail polishes, eye and facial makeup preparations, permanent waves, hair colors, toothpastes, and deodorants, as well as any material intended for use as a component of a cosmetic product. (U.S. Food & Drug Administration Center for Food Safety & Applied Nutrition Office of Cosmetics Fact Sheet (web page) Feb 1995)Food Coloring Agents: Natural or synthetic dyes used as coloring agents in processed foods.Patents as Topic: Exclusive legal rights or privileges applied to inventions, plants, etc.Cosmetic Techniques: Procedures for the improvement or enhancement of the appearance of the visible parts of the body.Lipids: A generic term for fats and lipoids, the alcohol-ether-soluble constituents of protoplasm, which are insoluble in water. They comprise the fats, fatty oils, essential oils, waxes, phospholipids, glycolipids, sulfolipids, aminolipids, chromolipids (lipochromes), and fatty acids. (Grant & Hackh's Chemical Dictionary, 5th ed)Surgery, Plastic: The branch of surgery concerned with restoration, reconstruction, or improvement of defective, damaged, or missing structures.Eyelid DiseasesX-Rays: Penetrating electromagnetic radiation emitted when the inner orbital electrons of an atom are excited and release radiant energy. X-ray wavelengths range from 1 pm to 10 nm. Hard X-rays are the higher energy, shorter wavelength X-rays. Soft x-rays or Grenz rays are less energetic and longer in wavelength. The short wavelength end of the X-ray spectrum overlaps the GAMMA RAYS wavelength range. The distinction between gamma rays and X-rays is based on their radiation source.X-Ray Diffraction: The scattering of x-rays by matter, especially crystals, with accompanying variation in intensity due to interference effects. Analysis of the crystal structure of materials is performed by passing x-rays through them and registering the diffraction image of the rays (CRYSTALLOGRAPHY, X-RAY). (From McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)Pasteurellosis, Pneumonic: Bovine respiratory disease found in animals that have been shipped or exposed to CATTLE recently transported. The major agent responsible for the disease is MANNHEIMIA HAEMOLYTICA and less commonly, PASTEURELLA MULTOCIDA or HAEMOPHILUS SOMNUS. All three agents are normal inhabitants of the bovine nasal pharyngeal mucosa but not the LUNG. They are considered opportunistic pathogens following STRESS, PHYSIOLOGICAL and/or a viral infection. The resulting bacterial fibrinous BRONCHOPNEUMONIA is often fatal.Ships: Large vessels propelled by power or sail used for transportation on rivers, seas, oceans, or other navigable waters. Boats are smaller vessels propelled by oars, paddles, sail, or power; they may or may not have a deck.Crystallography: The branch of science that deals with the geometric description of crystals and their internal arrangement. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)Periodicals as Topic: A publication issued at stated, more or less regular, intervals.Journal Impact Factor: A quantitative measure of the frequency on average with which articles in a journal have been cited in a given period of time.Publishing: "The business or profession of the commercial production and issuance of literature" (Webster's 3d). It includes the publisher, publication processes, editing and editors. Production may be by conventional printing methods or by electronic publishing.Bibliometrics: The use of statistical methods in the analysis of a body of literature to reveal the historical development of subject fields and patterns of authorship, publication, and use. Formerly called statistical bibliography. (from The ALA Glossary of Library and Information Science, 1983)Peer Review, Research: The evaluation by experts of the quality and pertinence of research or research proposals of other experts in the same field. Peer review is used by editors in deciding which submissions warrant publication, by granting agencies to determine which proposals should be funded, and by academic institutions in tenure decisions.Bacteriology: The study of the structure, growth, function, genetics, and reproduction of bacteria, and BACTERIAL INFECTIONS.Authorship: The profession of writing. Also the identity of the writer as the creator of a literary production.Science: The study of natural phenomena by observation, measurement, and experimentation.JapanMars: The fourth planet in order from the sun. Its two natural satellites are Deimos and Phobos. It is one of the four inner or terrestrial planets of the solar system.Exobiology: The interdisciplinary science that studies evolutionary biology, including the origin and evolution of the major elements required for life, their processing in the interstellar medium and in protostellar systems. This field also includes the study of chemical evolution and the subsequent interactions between evolving biota and planetary evolution as well as the field of biology that deals with the study of extraterrestrial life.Magnesium Compounds: Inorganic compounds that contain magnesium as an integral part of the molecule.Silicates: The generic term for salts derived from silica or the silicic acids. They contain silicon, oxygen, and one or more metals, and may contain hydrogen. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 4th Ed)Iron Compounds: Organic and inorganic compounds that contain iron as an integral part of the molecule.Cyclohexylamines: A family of alicyclic hydrocarbons containing an amine group with the general formula R-C6H10NH2.Xenon Isotopes: Stable xenon atoms that have the same atomic number as the element xenon, but differ in atomic weight. Xe-124, 126, 128-131, 134, and 136 are stable xenon isotopes.Xenon: A noble gas with the atomic symbol Xe, atomic number 54, and atomic weight 131.30. It is found in the earth's atmosphere and has been used as an anesthetic.Anthracenes: A group of compounds with three aromatic rings joined in linear arrangement.PhenylenediaminesNoble Gases: Elements that constitute group 18 (formerly the zero group) of the periodic table. They are gases that generally do not react chemically.KCNQ Potassium Channels: A family of delayed rectifier voltage-gated potassium channels that share homology with their founding member, KCNQ1 PROTEIN. KCNQ potassium channels have been implicated in a variety of diseases including LONG QT SYNDROME; DEAFNESS; and EPILEPSY.Enoyl-(Acyl-Carrier-Protein) Reductase (NADH): An NAD-dependent enzyme that catalyzes the oxidation of acyl-[acyl-carrier protein] to trans-2,3-dehydroacyl-[acyl-carrier protein]. It has a preference for acyl groups with a carbon chain length between 4 to 16.Triclosan: A diphenyl ether derivative used in cosmetics and toilet soaps as an antiseptic. It has some bacteriostatic and fungistatic action.Acyl Carrier Protein: Consists of a polypeptide chain and 4'-phosphopantetheine linked to a serine residue by a phosphodiester bond. Acyl groups are bound as thiol esters to the pantothenyl group. Acyl carrier protein is involved in every step of fatty acid synthesis by the cytoplasmic system.Vibrio cholerae: The etiologic agent of CHOLERA.3-Oxoacyl-(Acyl-Carrier-Protein) Reductase: A 3-oxoacyl reductase that has specificity for ACYL CARRIER PROTEIN-derived FATTY ACIDS.Enoyl-(Acyl-Carrier Protein) Reductase (NADPH, B-Specific): An enzyme that catalyzes the oxidation of acyl-[acyl-carrier protein] to trans-2,3-dehydroacyl-[acyl-carrier protein] in the fatty acid biosynthesis pathway. It has a preference for acyl derivatives with carbon chain length from 4 to 16.
Many spinels are also isomorphous. In order to form isomorphous crystals two substances must have the same chemical formulation ... In modern usage isomorphous crystals belong to the same space group. Double sulfates, such as Tutton's salt, with the generic ... Alums, such as KAl(SO4)2.12H2O, are another series of isomorphous compounds, though there are three series of alums with ... In crystallography crystals are described as isomorphous if they are closely similar in shape. Historically crystal shape was ...
... is isomorphous with heulandite. It is named after Sir David Brewster (1781-1868) who described it in 1822. The type ...
It forms crystals in the isometric system very similar to normal rock salt, halite (NaCl). The two are, in fact, isomorphous. ...
Donnayite is isomorphous with weloganite and mckelveyite. The chemical formula of donnayite is: NaCaSr3Y(CO3)6·3H2O. Donnayite ...
doi:10.1111/j.1151-2916.1968.tb15930.x. Brandt, Karin (1943). "X-Ray Analysis of CrVO4 and isomorphous compounds". Arkiv for ...
The solid is isomorphous to calcium carbide, CaC2. Barium peroxide arises by the reversible reaction of O2 with barium oxide. ...
... is isomorphous with BaCrO4 and BaSO4. Barium manganate can appear as a dark blue or green to black crystals. ...
The salt is isomorphous with [Mg(H2O)6]SO4. Compared to the V-O bond length of 191 pm in [V(H2O)6]3+, the V-O distance is 212 ... The salt is isomorphous with ferrous sulfate heptahydrate. A related salt is vanadous ammonium sulfate, (NH4)2V(SO4)2·6H2O, a ... Tutton's salt isomorphous with ferrous ammonium sulfate. Cotton, F. A.; Falvello, L. R.; Llusar, R.; Libby, E.; Murillo, C. A ...
... is an isomorphous mixture of three molecules; a calcium-iron-magnesium silicate, an aluminium-iron-magnesium ...
Isomorphous with heulandite is the strontium and barium zeolite brewsterite. The Mohs hardness is 3-4, and the specific gravity ...
The structure of AlPO4, berlinite, is isomorphous with α-quartz. It is used as a catalyst for dehydration and other reactions ... the ordinary structure is isomorphous with the β-cristobalite, while subjecting it to high pressure is obtained a compound ...
This last forms an isomorphous series with breithauptite (nickel antimonide). When, in the medieval German Erzgebirge, or Ore ...
Multiple isomorphous replacement (MIR); and Single isomorphous replacement with anomalous signal (SIRAS) Patterson map ... de la Fortelle E, Bricogne G (1997). "Maximum-Likelihood Heavy-Atom Parameter Refinement for Multiple Isomorphous Replacement ... Terwilliger TC (1994). "MAD Phasing: Treatment of Dispersive Differences as Isomorphous Replacement Information". Acta ... Two methods for providing the needed phasing information by introducing heavy atoms into isomorphous crystals: ...
It is isomorphous with the iron-rich end-member, fayalite. Forsterite crystallizes in the orthorhombic system (space group Pbnm ...
... crystallizes in the orthorhombic system and is isomorphous with aragonite. Like aragonite it is very frequently ...
It is isomorphous with Pd(acac)2 and Cu(acac)2. It has been prepared by the comproportionation of the manganese(II) compound Mn ...
It is isomorphous and isostructural with wardite, the sodium aluminium counterpart. Cyrilovite is found in granitic pegmatites ... The crystal structures of natural wardite and of the isomorphous cyrilovite have the space group P41212, Z=4). Hydrogen atoms ...
"On the Crystal Structure of the Antimony Oxychloride Sb4O5Cl2 and Isomorphous Oxybromide". Acta Chemica Scandinavica. 1: 178. ...
He realised that isomorphous replacement was the key to solving protein structures. With Francis Crick, he invented methods for ... He completed his PhD under Arnold Beevers in the Chemistry Department in X-ray crystallography of sucrose using isomorphous ...
at Columbia University and using multiple isomorphous replacement by Weber et al. at E. I. DuPont Central Research and ...
The group is an isomorphous mixture of the meionite and marialite endmembers. The tetragonal crystals are hemihedral with ...
It is isomorphous to transition metal tetrachlorides of zirconium, hafnium, and platinum. Two polymorphs of technetium ...
Erickson, R. (June 1953). "Neutron Diffraction Studies of Antiferromagnetism in Manganous Fluoride and Some Isomorphous ...
Being isomorphous with vanadium monoxide, it crystallizes in the rock salt structure. Because VC and VO are miscible, samples ...
isomorphous with K2SO4. Coordination. geometry. tetrahedral anion. Hazards. Main hazards. oxidizer. ...
Isomorphous definition, (of a compound or mineral) capable of crystallizing in a form similar to that of another compound or ... The alkaline perchlorates are isomorphous with the permanganates. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 3 ... It is not isomorphous with the orthorhombic barium and strontium sulphates, as might be expected from the chemical formulae. ... As far as the genus is concerned it was found that the hemoglobin crystals of any genus are isomorphous. ...
Multiple isomorphous replacement (MIR); and Single isomorphous replacement with anomalous signal (SIRAS) Patterson map ... Multiple isomorphous replacement (MIR) is historically the most common approach to solving the phase problem in X-ray ... F p h = F p + F h {\displaystyle \mathbf {F} _{ph}=\mathbf {F} _{p}+\mathbf {F} _{h}} At least two isomorphous derivatives must ... de la Fortelle E, Bricogne G (1997). "Maximum-Likelihood Heavy-Atom Parameter Refinement for Multiple Isomorphous Replacement ...
A. K., Isomorphous substitution in nonlinear optical KTiOPO4: Neutron powder diffraction study of KTiO(P0.5As0.5)O4,J. Chem. ... potassium titanyl phosphate (KTP) crystal structure and property isomorphous substitution This is a preview of subscription ... Richard, H. J., Stephen, G. C., Isomorphous substitutation in potassium fitanyl phosphate,SPIE Int. Soc. Opt. Eng., 1988, 108: ... Phillips, M. L., Giver, T. E., Inclusion tuning of nonlinear optical materials: KTP isomorphous,Solid State Ionics, 1989 (32/33 ...
Isomorphous crystal structures of Escherichia coli dihydrofolate reductase complexed with folate, 5-deazafolate, and 5,10- ... ISOMORPHOUS CRYSTAL STRUCTURES OF ESCHERICHIA COLI DIHYDROFOLATE REDUCTASE COMPLEXED WITH FOLATE, 5-DEAZAFOLATE AND 5,10- ...
The isomorphous structures of prethrombin2, hirugen-, and PPACK-thrombin: changes accompanying activation and exosite binding ... THE ISOMORPHOUS STRUCTURES OF PRETHROMBIN2, HIRUGEN-AND PPACK-THROMBIN: CHANGES ACCOMPANYING ACTIVATION AND EXOSITE BINDING TO ...
Elucidation of Structure of the Second Coordination Sphere of Tris(ethylenediamine) Complex by the Isomorphous-Substitution ... X-Ray Diffraction / Hydration / Solution Structure / Complex / Ethylenediamine / Second Coordination / Ion Pair / Isomorphous ... around a rhodium atom were derived from the X-ray intensity data in a manner of the isomorphous substitution between Rh and Cr ...
The cosine term takes on values between −1 and 1. Therefore, the isomorphous differences FPH − FP are lower estimates of the ... Isomorphous differences. Since the number of atoms in a native macromolecular structure is usually much larger than the number ... The remaining sites are found by repeated analysis of isomorphous or anomalous difference Fourier maps. These fundamental ... This is often referred to as single or multiple isomorphous replacement (SIR, MIR). In recent years, it has become very popular ...
The isomorphous difference, ,FH, ≃ ,FPH, − ,FP,, can be used as an estimate of the heavy-atom structure-factor amplitude to ... Isomorphous replacement. The use of heavy-atom substitution was invented very early on by small-molecule crystallographers to ... The anomalous or Bijvoet difference can be used in the same way as the isomorphous difference in Patterson or direct methods to ... The use of more than one heavy-atom derivative in multiple isomorphous replacement (MIR) can break the phase ambiguity, as ...
Isomorphous replacement and anomalous scattering. M. Vijayana* and S. Ramaseshanb‡ ... Sign determination by the isomorphous replacement method. Proc. R. Soc. London Ser A, 225, 287-307.. Green, E. A. (1979). A new ... Blow, D. M. & Crick, F. H. C. (1959). The treatment of errors in the isomorphous replacement method. Acta Cryst. 12, 794-802.. ... Blow, D. M. & Rossmann, M. G. (1961). The single isomorphous replacement method. Acta Cryst. 14, 1195-1202.. Blundell, T. L. & ...
Isomorphous Substitutions. Synthesis of New Materials. Fundamentals of Micelle Templating. New Mesoporous Molecular Sieves. ...
English: X-ray scattering techniques are a family of non-destructive analytical techniques which reveal information about the crystallographic structure, chemical composition, and physical properties of materials and thin films. This category groups media relating to X-ray diffraction and crystallography ...
All crystals are isomorphous.. Example 2. Overall Structure of the N-Domain. The N-domain was crystallised with two molecules ... Multiple Isomorphous Replacement with Anomalous Scattering) procedures-and compared with that of minimally glycosylated N- ...
Pottassium selenate is isomorphous with potassium sulphate and contains 45.42% selenium by weight.Calculate the atomic weight ... Pottassium selenate is isomorphous to $K_2SO_4$ and thus its molecular formula is $K_2SeO_4$ ...
Isomorphous Salts of Anti-HIV Saquinavir Mesylate: Exploring the Effect of Anion-Exchange on Its Solid-State and Dissolution ... thermogravimetric analysis Isomorphous Salts class IV mesylate anion Saquinavir chloride Solid SQVCl saquinavir iodide SQVM ... Isomorphous Salts of Anti-HIV Saquinavir Mesylate: Exploring the Effect of Anion-Exchange on Its Solid-State and Dissolution ...
1987). Isomorphous replacement: effects of errors on the phase probability distribution. Acta Crystallographica A43, 6-13. ... Terwilliger, T. C. (1997). MAD phasing of macromolecular structures: Analysis of MAD data as Single Isomorphous Replacement ... Terwilliger, T. C. and Berendzen, J. (1996). Correlated phasing of multiple isomorphous replacement data. Acta ... Terwilliger, T. C. (1994) MAD phasing: Treatment of dispersive differences as isomorphous replacement information. Acta ...
Triplet Phase Invariants from Single Isomorphous Replacement or One-Wavelength Anomalous Dispersion Data, Given Heavy-Atom ... Triplet Phase Invariants from Single Isomorphous Replacement or One-Wavelength Anomalous Dispersion Data, Given Heavy-Atom ...
... isomorphous with metavariscite, Locality: Hot Springs County, Arkansas, USA ...
Many spinels are also isomorphous. In order to form isomorphous crystals two substances must have the same chemical formulation ... In modern usage isomorphous crystals belong to the same space group. Double sulfates, such as Tuttons salt, with the generic ... Alums, such as KAl(SO4)2.12H2O, are another series of isomorphous compounds, though there are three series of alums with ... In crystallography crystals are described as isomorphous if they are closely similar in shape. Historically crystal shape was ...
Isomorphous jojoba oil compositions containing trans-isomerized jojoba oil. US4383875 *. 26 Aug 1981. 17 May 1983. Plough, Inc. ...
... monohydrates are also isomorphous, but with a different structure from the dihydrates. No definite evidence for metal-sulfur ... Dihydrated thiourea complexes are isomorphous; monohydrates are also isomorphous, but with a different structure from the ... Dihydrated thiourea complexes are isomorphous; monohydrates are also isomorphous, but with a different structure from the ...
Chapter 7 The Solution of the Phase Problem by the Isomorphous Replacement Method. 123. (49). ...
2 : any of various double salts isomorphous with potassium aluminum sulfate. 3 : aluminum sulfate ...
Isomorphous. Definition. Having the same structure. In the phase diagram sense, isomophicity means having the same crystal ...
  • F p h = F p + F h {\displaystyle \mathbf {F} _{ph}=\mathbf {F} _{p}+\mathbf {F} _{h}} At least two isomorphous derivatives must be evaluated since using only one will give two possible phases. (wikipedia.org)
  • It crystallizes in the orthorhombic system and is isomorphous with stibnite (Sb2S3), which it closely resembles in appearance. (dictionary.com)
  • monohydrates are also isomorphous, but with a different structure from the dihydrates. (unt.edu)
  • [ 4 ] In terms of major chemical divisions of minerals, most are placed within the isomorphous groups, which are based on analogous chemical composition and similar crystal forms. (thefullwiki.org)