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Stimulating exploration with SeeSAR, we have embarked on persuing a new cheminformatics compute paradigm of "Propose & Validate" with these first four themes accomplished so far:

1. affinities:
We implemented sophisticated graphics to visualize atom-based affinity contributions; that allow for a rough estimate of the ΔS / ΔH -split of the Free Energy. (This is an ongoing co-development between BAYER, the University of Hamburg and BioSolveIT.)
2. phys-chem properties:
Relevant parameters are computed on-the-fly or imported to be taken into consideration throughout the design process.
3. torsional 'heat':
Torsional statistics analyses (developed between Hoffmann-LaRoche and the University of Hamburg); is readily available via intuitive color-coding.
4. 'explorable space':
A tight fit is the prerequisite for both, affinity and specificity. Therefore, as guidance for the user, efficient computation combined with refined graphics provides on-the-fly visualization of gaps in the binding interface and positions where a tighter fit is likely to be gained.

WHATS NEW:

This new version of SeeSAR is full of usability enhancements plus a new, bulk docking feature.

multiple selections for bulk actions
Frankly speaking we previously "abused" the favorite icon for making selections to initiate bulk actions. This itself undermined the point of being able to mark molecules as favorites. Now you may conveniently select multiple molecules using the new check box feature, and initiate bulk actions on the basis of this selection. For your convenience we also added a few functions to make working with these selections even more effective (un/check all, invert, ...). Just as for the favorites, shift + left mouse click works on the check boxes as a multiple un/check feature.

bulk docking
A lot of users have been waiting for this feature! Now bulk docking can be carried out with just one click. Plus we have parallelized the docking calculation so that it now uses all processors on your computer, providing you with solutions swiftly - just as your hardware permits.

pharmacophore filter
Now that you can run so many bulk actions, your solution list will grow by the minute. This made it just the right time to implement another filter option to help you keep track! Pharmacophore filters can now be defined using so-called sphere constraints. You can apply these pharmacophores at lightning speed to the molecule table and drill down solutions sets quickly and effectively with queries such as: Which molecules have an acceptor at this position? Filter out molecules that occupy this position! Give me all molecules with an aromatic moiety here!

other enhancements
A protein and ligand are sufficient to define the binding site in the vast majority of cases. The new shortcut behind the binding site button in the menu for a protein ligand now offers you a one-click binding site solution.
Partially hidden labels in 3D won't bother you anymore! Instead, the simple labels for showing distances, angles, and so on have been upgraded to the more advanced labels which we have always used for Hyde and more recently for displaying torsion information. These labels are movable (simply click and drag) and are always at the front. Plus, as a bonus feature, you may now also adjust the font size on the labels in the appearance settings menu in the toolbar.

HOMEPAGE
https://www.biosolveit.de/SeeSAR/



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Tags: BioSolveIT, SeeSAR

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