Looking for the latest version? Download apbsmem-2.0.2.zip (13.1 MB)
Name Modified Size Downloads / Week Status
apbsmem-2.0.2.zip 2016-04-07 13.1 MB 22 weekly downloads
README 2016-04-07 7.1 kB 0
apbsmem-2.0.1.zip 2015-06-18 13.1 MB 0
apbsmem-2.0.zip 2015-01-27 13.2 MB 0
apbsmem-1.13.zip 2013-11-07 5.9 MB 0
apbsmem-1.12.zip 2012-10-05 5.9 MB 0
apbsmem-1.11.3.zip 2012-09-25 5.9 MB 0
apbsmem-1.11.2.zip 2012-07-24 5.9 MB 0
apbsmem-1.11.1.zip 2012-07-11 5.9 MB 0
apbsmem-1.11.zip 2012-06-01 5.9 MB 0
apbsmem-1.10.zip 2012-04-30 5.8 MB 0
apbsmem-1.09.zip 2012-03-15 5.7 MB 0
apbsmem-1.08.zip 2012-01-26 5.7 MB 0
apbsmem-1.07.zip 2011-11-25 5.7 MB 0
apbsmem-1.06.zip 2011-07-05 5.7 MB 0
apbsmem-1.05.zip 2010-08-19 5.8 MB 0
apbsmem-1.04.zip 2010-08-02 6.0 MB 0
apbsmem-1.03.zip 2010-07-27 5.9 MB 0
apbsmem-1.03.tar.gz 2010-07-27 5.6 MB 0
apbsmem-1.02.tar.gz 2010-06-27 5.4 MB 0
apbsmem-1.02.zip 2010-06-27 5.7 MB 0
Totals: 21 Items   137.5 MB 2
APBSmem version 2.0.2 released - Apr 07 2016 Fixed two ancient bugs in gating charge calculations which resulted in incorrect slope except for an input membrane potential of 2.0. The tooltip for membrane potential now indicates the membrane potential is given in reduced units (units of kT/e), rather than in mV. Divide the potential in mV by 25.69 to get the reduced potential.</li> APBSmem version 2.0.1 released - Jun 17 2015 Bug fix release. - Operations involving pdb2pqr (charge assignment, forcefield changes and pdb conversions) should work now if apbsmem was called from outside apbsmem directory as such: java -jar path/to/apbsmem.jar APBSmem version 2.0 released - Jan 26 2015 NEW FEATURES - PDB2PQR has been integrated into APBSmem. This allows the user to convert a PDB file to PQR file, alter protonation states and change forcefield parameters from within APBSmem - Delta-pKa button has been added to calculate the membrane induced pKa shift of a residue sidechain - Ligand salvation energy has been added as new calculation type (ligand must be provided as a mol2 file when converting a pdb to a pqr file) - Representations menu allows the user to change the molecule representation from the default ball-and-stick representation to new cartoon representations color coded by side chain protonation state or protein solvation energy - Nonpolar energy is now calculated with protein solvation and gating charge calculations (Michael Sanner’s MSMS program must be installed for this function) Different NP models can be selected from the NP models menu. All NP models are based the change in solvent accessible surface area, but these models allow the user to select whether or not to include atoms in the head group region as solvent excluded. - Flooding algorithm to draw the membrane around the protein. By using a flood fill method, the membrane will not be drawn in regions separate from the bulk membrane area (such as aqueous pores and cavities). This feature was recently developed and has some limitations. Ensure that the final focus volume encompasses the protein in the x-y plane, and make sure that the grid dimensions and lengths are equal in the x y and z directions. REQUIRED SOFTWARE - APBS 1.4.1, the previous version does not work when the boundary condition in APBSmem set to "Membrane potential" - MSMS (optional). Used to calculate solvent accessible surface areas for non polar energy calculations. APBSmem will just calculate electrostatic energies if MSMS is not included. - Python 2.7 (optional). Used to run PDB2PQR for PQR creation/modifications. - Numpy 1.9 (optional). Used by PDB2PQR to assign parameters to ligands. KNOWN ISSUES - Ligand option during pdb setup will fail if APBSmem is opened by double clicking the icon. Open apbsmem from command line when using ligands. (java -jar <path-to-apbsmem.jar>) - MSMS will sometimes fail when calculating non polar energy when the flooding algorithm is used. This can sometimes be fixed by slightly changing the grid length for the final focus volume. - Larger grid dimensions (>129) will cause java to run out of memory open apbsmem from terminal with extra memory allocation when using large grid dimensions. (java -Xms512m -Xmx512m -jar apbsmem.jar) APBSmem version 1.13 released - Nov 06 2013 Version 1.13. APBSmem can be run in batch mode from the command line now. In batch mode, the GUI still appears, but the calculation will start automatically, and APBSmem will exit upon completion. Thus you can run APBSmem in scripts. Run normally (or double-click on the jar file): java -jar apbsmem.jar Some users may need to give java more memory: java -Xms400m -Xmx800m -jar apbsmem.jar Batch mode: java -jar apbsmem.jar <input-file> <output-directory> For example, APBSmem comes with the three example calculations from the APBSmem paper. To run the first example from the command line in the apbsmem directory: java -jar apbsmem.jar dist/1_proteinsolvation/1_proteinsolvation.solv.in ../out1 Warning: Gating charge calculations and other calculations with a the boundary condition in APBSmem set to "Membrane potential", (or in APBS with the boundary condition set as "bcfl mem",) will not work with the latest APBS due to a bug. Download an older APBS for gating charge calculations. Bugged APBS versions will report the following error somewhere (not necessarily at the end) in the output file: VASSERT: ASSERTION FAILURE! filename /Users/d3x874/apbs/src/generic/vpbe.c, line 200, (thee->param2Flag) Version 1.12. Fixes a bug in gating charge calculations introduced in version 1.10. The membrane potential was not being applied. Please upgrade if you perform gating charge calculations. Additionally, during a run, the progress bar should accurately reflect the amount of work remaining. Version 1.11.3. Bug fix release. Fixes potential 1-3 minute hang before the GUI appears. Version 1.11.2. Bug fix release. Temporary fix for numerous internationalization bugs: The locale is forced to US for now. This should prevent many errors seen in locales which use a comma (,) for the decimal mark. Correct internationalization support should be available in a future release. Version 1.11.1. Bug fix release. Fixed a bug with version 1.11 which caused incorrect results when using the "Step Ion" feature. Version 1.11 The current version adds improved support for protein rotations and translations, some UI tweaks and some warnings to insure that user input is sensical. Version 1.10 added two tools for ion solvation calculations: Menu item Ion -> Create Ion. After picking a protein (i.e. PQR file 1), you can use the Create Ion tool to place an ion in the system. This will allow you to quickly create or edit the location of an ion for PQR 2 without writing your own PQR files by hand. Menu item Ion -> Step Ion. After specifing a protein for PQR file 1 and an ion for PQR file 2 (by browsing or by creating a ion with the Create Ion tool) you can use the Step Ion tool to run a series of ion solvation calculations, stepping the ion over a number of locations. Version 1.09 added a number of tools under the Orient menu which can be used to display and alter the orientation of the protein in PQR file 1: Toggle display of the coordinate axes of the membrane or the protein. Rotate and center the protein. Auto-orient the protein. Auto-orientation is very simplistic and can only work highly symmetric proteins at the moment. It simply aligns the (unweighted) principal axes of the molecule to the membrane axes.
Source: README, updated 2016-04-07

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