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Software Marketing >> Chemistry Applications >> 
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CAChe 5.0 for Windows is a leading computer-aided chemistry modeling package for experimental
chemists conducting research in life sciences, materials and chemicals, as well as for
undergraduate and graduate educators. The new Version 5.0 includes a new semiempirical
method with 4x greater accuracy than current methods, challenging even experimental
accuracy; modeling of molecules with up to 20,000 atoms; the inclusion of all main group
elements in one semiempirical method; and more.
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4x Accuracy.
CAChe 5.0 includes the new PM5 Hamiltonian, a MOPAC 2002 method for computing electronic
properties of molecules and the first new MOPAC method since 1986. The PM5 method proves
to be up to four times more accurate for heats of formation than current methods, such
as AM1, PM3, and MNDO.
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Includes All Main Group Elements.
Unlike competing semiempirical methods, the new PM5 method in CAChe 5.0 now provides all
main group elements, including Li, Be, B, Na, Mg, K, Ca and more not previously available
in AM1 or PM3. This new functionality opens new areas of research and is especially important
for biological systems.
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MOPAC AM1-d Supports More Transition Metals.
In addition to the already present Pt, Fe, Cu, and Ag transition metals, CAChe 5.0 now
also supports Mo, V, and Pd.
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Giant Molecules.
Researchers can now work with reaction modeling on molecules of up to 20,000 atoms and quantum
chemistry calculations on whole proteins and polymers.
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Proteins and Biomolecules.
Researchers can now import and display in 3D proteins from the Protein Data Bank (PDB),
optimize proteins, dock ligands, and model reactions on these large molecules. New search and
display commands and a spreadsheet view of the atoms, groups, and properties ease navigation
through and analysis of these giant structures.
The new Protein Sequence Editor lets researchers align two or more proteins, an important step
in comparing homologs and predicting structure-function relationships. The editor also lets
researchers build new protein structures from an amino acid repository of structures.
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All on Windows™
Many competing packages run only on UNIX workstations due to molecule size and speed of display.
Now, CAChe 5.0 brings high-performance molecular modeling and analysis to the scientist's Windows
desktop with full stereoscopic capabilities.
System Requirements
- Windows 98, 2000, Me, NT4
- 128 MB RAM minimum; 512 MB recommended for protein analysis
- 10 GB hard drive minimum
- 500MHz Pentium III or faster
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