error while running a multitarget designer
See original GitHub issueI set up a multitarget designer calculation using an edited form of the Ablaffinitytestsystem
class. It looks like the systems are being set up appropriately, but I keep getting the following error:
Minimizing 'explicit-src-imatinib'...
Initial energy is -58550.422 kcal/mol
Final energy is -137454.317 kcal/mol
Minimizing 'explicit-abl-imatinib'...
Initial energy is -31761.928 kcal/mol
Final energy is -31756.639 kcal/mol
********************************************************************************
MultiTargetDesign sampler iteration 0
================================================================================
SAMS sampler iteration 0
--------------------------------------------------------------------------------
Expanded Ensemble sampler iteration 0
................................................................................
MCMC sampler iteration 0
Taking 5 steps of Langevin dynamics...
potential = -53268.502 kT
kinetic = 757989197113.024 kT
force norm = 411813.866 kT/A/dof
Final energy is nan kT
................................................................................
Updating chemical state with ncmc-geometry-ncmc scheme...
Proposing new topology...
Warning: MCS search truncated
No handlers could be found for logger "alchemy.alchemy"
Proposed transformation: Cc1ccc(cc1Nc2nccc(n2)c3cccnc3)NC(=O)c4ccc(cc4)C[NH+]5CCN(CC5)C => CN1CCC(CC1)COc2cc3c(cc2OC)c(ncn3)Nc4ccc(cc4F)Br
Generating new system...
Performing NCMC annihilation
Traceback (most recent call last):
File "abl_src_affinity.py", line 215, in <module>
system.designer.run(niterations=100)
File "/cbio/jclab/home/albaness/miniconda/lib/python2.7/site-packages/perses-0.1-py2.7.egg/perses/samplers/samplers.py", line 1094, in run
self.update()
File "/cbio/jclab/home/albaness/miniconda/lib/python2.7/site-packages/perses-0.1-py2.7.egg/perses/samplers/samplers.py", line 1076, in update
self.update_samplers()
File "/cbio/jclab/home/albaness/miniconda/lib/python2.7/site-packages/perses-0.1-py2.7.egg/perses/samplers/samplers.py", line 1040, in update_samplers
sampler.update()
File "/cbio/jclab/home/albaness/miniconda/lib/python2.7/site-packages/perses-0.1-py2.7.egg/perses/samplers/samplers.py", line 956, in update
self.update_sampler()
File "/cbio/jclab/home/albaness/miniconda/lib/python2.7/site-packages/perses-0.1-py2.7.egg/perses/samplers/samplers.py", line 924, in update_sampler
self.sampler.update()
File "/cbio/jclab/home/albaness/miniconda/lib/python2.7/site-packages/perses-0.1-py2.7.egg/perses/samplers/samplers.py", line 799, in update
self.update_state()
File "/cbio/jclab/home/albaness/miniconda/lib/python2.7/site-packages/perses-0.1-py2.7.egg/perses/samplers/samplers.py", line 719, in update_state
[ncmc_old_positions, ncmc_elimination_logp, potential_delete] = self.ncmc_engine.integrate(topology_proposal, positions, direction='delete')
File "/cbio/jclab/home/albaness/miniconda/lib/python2.7/site-packages/perses-0.1-py2.7.egg/perses/annihilation/ncmc_switching.py", line 315, in integrate
context.setPositions(initial_positions)
File "/cbio/jclab/home/albaness/miniconda/lib/python2.7/site-packages/simtk/openmm/openmm.py", line 13580, in setPositions
return _openmm.Context_setPositions(self, positions)
Exception: Particle coordinate is nan
Compute mode is already set to DEFAULT for GPU 0000:03:00.0.
Looks like I’m having trouble with the NCMC moves. The script that I’m using can be found here
Issue Analytics
- State:
- Created 7 years ago
- Comments:26 (25 by maintainers)
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Ok. When I have a chance I’ll take a closer look at that case. I’m really hoping that this conference can shed some light on how to do this geometry stuff better + faster.
I think this is fixed.