Features Standalone mode Ketcher supports the standalone mode in which no server support is required. SVG standard is supported by most modern browsers and provides smooth and light-weight drawing. Ketcher provides you with the ability to load and save structures in this useful format. It provides fast 2D structure representations that satisfy common chemical drawing standards.
Other features Hotkeys. For a more rapid and convenient way of structure drawing, Ketcher offers a variety of hot keys. See Editing Tips for the list of hot keys.
Running the RasMol molecular visualisation tool on modern Mac OSX
Ketcher provides complete stereochemistry support during the editing, loading, and saving of chemical structures. Ketcher stores a full history of performed actions, and the user can rollback to any previous state. In-place atom editing. Ketcher allows for the direct input of atom labels and charges.
See Editing Tips for details. Molfiles support. Some key features are: gas-phase molecular thermodynamic properties offering hindered rotor treatment thermal equilibrium constants transition state theory rate coefficients TST, VTST including one-dimensional tunnelling effects Wigner and Eckart RRKM rate constants, for elementary reactions with well-defined barriers.
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KNIME, pronounced, is a modular data exploration platform that enables the user to visually create data flows often referred to as pipelines , selectively execute some or all analysis steps, and later investigate the results through interactive views on data and models. KnowledgeMiner A self-organising data mining tool. The Laboratory Calculator is an utility to calculate the molarity, to convert gram and mole and to compute dilutions of stock solutions.
LabCalPro is the enhanced version of LabCal. The Laboratory Calculator is an utility to calculate a molarity, to convert gram and mole and to compute dilutions of stock solutions. LAMMPS has potentials for soft materials biomolecules, polymers and solid-state materials metals, semiconductors and coarse-grained or mesoscopic systems. It can be used to model atoms or, more generically, as a parallel particle simulator at the atomic, meso, or continuum scale.
LAMMPS runs on single processors or in parallel using message-passing techniques and a spatial-decomposition of the simulation domain. The code is designed to be easy to modify or extend with new functionality. The current version can be downloaded here. Libint library is used to evaluate the traditional electron repulsion and certain novel two-body matrix elements integrals over Cartesian Gaussian functions used in modern atomic and molecular theory.
The idea of the library is to let computer write optimized code for computing such integrals. There are two primary advantages to this: much less human effort is required to write code for computing new integrals, and code can be optimized specifically for a particular computer architecture e. From the compilation notes:- MacOS X versions The recommended compiler options are -O3 -xW -tpp7. LibraryMCS clusters a set of chemical structures on a structural basis. Structures that share a common substructure are clustered together.
The common substructure is identified by the clustering program, and it is always the largest one among all substructures found in the structure set. No predefined fragments are applied in finding the MCS. I recently came across a program called LigBuilder developed at the Molecular Design Laboratory, it is a multiple-purposed program written for structure-based drug design procedure.
Based on the three-dimensional structure of the target protein, it can automatically build ligand molecules within the binding pocket and subsequently screen them. To quote from the website:- " 1 The program analyzes the binding pocket of the target protein and derives the key interaction sites.
A pharmacophore model is suggested and it could be applied to 3D database searching. Various kinds of structural manipulation are provided, such as growing, linking, and mutation. On-the-fly minimization of conformation is performed during the building-up procedure. While the target protein is kept rigid, flexibility of the ligand molecules is considered. The fitness score of a molecule is evaluated by considering its chemical viability as well as binding affinity.
Chemical stability, synthesis feasibility, and toxicity can also be taken into account by defining "forbidden structure" libraries. The program is very easy to use and maintain. For more detailed description of LigBuilder, please refer to: Wang, R. You need to compile them respectively. You can do this by simply entering each subdirectory, i. The scripts will compile the source codes automatically and generate the executable codes. Now open a terminal window and cd to the LigBuilderv1. MacChess A Macromolecular crystallographic facility.
A modern graphics program for plotting 3-D molecular structures and normal modes vibrations. Modern means: Mouse driven interface for real-time rotation and translation. Copy and paste functionality for interfacing to other programs such as word processors or other graphics programs like ChemDraw. Simple printing to color or black and white printers publication quality. There is a more detailed review here.
With the XpertDef module you define brand new polymer chemistries what are the atoms, what are the monomers that make the polymer, what are the chemical modifications that you might need to simulate biological or synthetic chemical reactions, what are the different ways you might need to cut a polymer sequence into pieces chemical or enzymatic , what are the different ways that a small oligomer might fragment in the mass spectrometer's gas phase, and so on With the XpertCalc module, you get a desktop calculator that understands your polymer chemistry definitions as defined in XpertDef.
The calculator allows any kind of chemical reaction and is infinitely programmable. Any calculation is recorded in a logbook that is exportable to put in the lab-book; 3. With the XpertEdit module, you get a sophisticated polymer sequence editor and a chemical center where a huge amount of simulations might be performed. Anything mass-related is virtually feasible in XpertEdit. With the XpertMiner module, you will get it is being implemented a data mining center.
The possibilities should be infinite. Mathematica 11 Almost any area of science requires computational analysis and as Mathematica has evolved it has supported more and more areas of science. Chemistry is very well supported with detailed physical, chemical, and molecular properties of more than 34, compounds. Simulate your chemical processes with ready-to-deploy, fully interactive models using a combination of powerful computation, statistics and optimization, instant interactivity, and built-in chemical data. One system, one integrated workflow. A number of demonstrations and case studies are available.
Mercury updated to version 2. Mercury offers a comprehensive range of tools for structure visualisation and the exploration of crystal packing. A full range of structure display styles, including displacement ellipsoids please note that displacement ellipsoids can be displayed for CIFs or SHELX res files which contain Uequiv or Uij values only.europeschool.com.ua/profiles/vapidibib/terra-chat-irc.php
Getting & Installing RasMol
The ability to measure and display distances, angles and torsion angles involving atoms, centroids and planes. The ability to create and display centroids, least-squares mean planes and Miller planes. The ability to display unit cell axes, the contents of any number of unit cells in any direction, or a slice through a crystal in any direction. The ability to build and visualise a network of intermolecular contacts. The ability to show extra information about the structure on display, such as the chemical diagram if available and the atomic coordinates.
How to make RasMol work on Mac OS
The ability to calculate, display and save the powder diffraction pattern for the structure on view. The ability to save displays. In addition to all the functionality available in MestReC 4. Anti-aliasing for improved drawing quality Cutting tool to exclude non-interesting regions from the spectrum Automatic processing capabilities Powerful scripting engine Molecular viewer Peak to atom assignment module Prediction of 1H and 13C NMR from chemical structure Simulation of spin systems with any number of spin particles Automatic fitting of experimental to predicted spectrum.
Millsian a new approach to molecular modeling According to Millsian theory, atoms and bonds are made up of discrete surfaces of negative charge, not probability-density clouds. To learn about how Millsian translates the underlying theory into a molecular modeling product, please consult the papers: Millsian 2. The Molecular Operating Enviroment is a comprehensive piece of software providing extensible tools for molecualr modelling, bioinformatics, computer aided molecular design all built using Scientific Vector Language SVL.
This programming language allows the rapid construction of novel tools many examples of which are available via SVL exchange. The user provides an alignment of a sequence to be modeled with known related structures and MODELLER automatically calculates a model containing all non-hydrogen atoms.
ModelFree A program for optimizing "Lipari-Szabo model free" parameters to heteronuclear relaxation data. MoFa is a program for finding frequent, discriminative molecular substructures in a set of molecules. It is not primarily a commercial product and it is not sold in order to produce a fortune for its owner the Lund University. The authors have tried in MOLCAS to assemble their collected experience and knowledge in computational quantum chemistry.
MOLCAS is a research product and it is used as a platform by the Lund quantum chemistry group in their work to develop new and better computational tools in quantum chemistry. Instructions for installing molden are here. Molecula Numerica is a software categorized in Molecular Dynamics Simulator. Multi-atom molecules are dealt as a rigid body. So the software has a limitation coming from which High frequency vibration of the bonding is neglected. But the time integration is effectively fast by the simple model.
To solve the rotational motion the simulator adopts quaternion based rotational equation. As for the scheme for time stepping, a Leap-Frog is adopted. Molecule for Macintosh. Molecule is a program for generating, editing and displaying molecular structures A native Mac OSX version is underway.
Molegro Data Modeller offers a high-quality modelling tool based on state-of-the-art data mining techniques. Highlights of Molegro Data Modeller: - Regression: Multiple Linear Regression, Support Vector Machines, and Neural Networks - Feature selection and cross-validation is simple to set up and use using the built-in wizards - Principal Component Analysis PCA - Visualization: Histograms, 2D scatter plots, and 3D plots - Clustering: K-means clustering and density-based clustering - Built-in algebraic data transformation tool - Outlier Detection - Sophisticated subset creation: create diverse subsets by sampling from n-dimensional grids.
Molegro Molecular Viewer is a free cross-platform application for visualization of molecules and Molegro Virtual Docker results.
Molecular Visualization Freeware
Molegro Virtual Docker is an integrated platform for predicting protein - ligand interactions. Molegro Virtual Docker handles all aspects of the docking process from preparation of the molecules to determination of the potential binding sites of the target protein, and prediction of the binding modes of the ligands. New features in version 5. This makes it possible to understand why a compound interacts with a given receptor, and may provide insights on how to improve the binding. Department of Energy, the U. National Science Foundation and the U. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author s and do not necessarily reflect the views of the funding agencies.
User support in the form of donations will help us to continue the development of RasMol. Registration will help us to keep you posted on new versions.