[AMBER] strange output from vacuum minimization

From: Albert <mailmd2011.gmail.com>
Date: Wed, 15 Jul 2015 10:30:48 +0200

Hello:

I've got a protein/ligand complex system and I try to minimize them in
vacuum with following parameters:

  &cntrl
   imin = 1,
   maxcyc = 5000,
   ncyc = 250,
   ntb = 0,
   igb = 1,
   cut = 12
  /


                     FINAL RESULTS

    NSTEP ENERGY RMS GMAX NAME NUMBER
    4498 -1.1845E+04 2.5516E-02 4.1925E-01 C 2691

  BOND = 214.7069 ANGLE = 836.2659 DIHED = 6010.7792
  VDWAALS = -3445.4802 EEL = -26746.0685 EGB = -3225.0493
  1-4 VDW = 1211.6324 1-4 EEL = 13298.6115 RESTRAINT =
0.0000


When I import the structure into VMD, I noticed that it looks very
strange: there are many atom clashes.... Here I've attached a screenshot
for it. The initial structure is a crystal structure and it was prepare
well before I set up the system.

Does anybody have any idea what's happening?

thx a lot




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Received on Wed Jul 15 2015 - 02:00:03 PDT
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