
 OPTIM version 22983, Copyright (C) David J. Wales
 OPTIM comes with ABSOLUTELY NO WARRANTY; for details supply WARRANTY as an input keyword.
 This is free software, and you are welcome to redistribute it
 under certain conditions; provide keyword COPYRIGHT to see the details.

 getparams> Number of atoms (or variables)  determined as     79
 keyword> Constraint potential parameters read from file congeom.dat
 keyword> Local permutational alignment: alignment threshold=        1.00000
 keyword> Local permutational alignment: alignment cutoff=           5.00000
 keyword> Number of groups of permutable atoms=     8
CHARMMTYPE set to  2
1
                 Chemistry at HARvard Macromolecular Mechanics
                   (CHARMM) - Developmental Version 35b4   February 15, 2010   
       Copyright(c) 1984-2001  President and Fellows of Harvard College
                              All Rights Reserved
      Current operating system: Linux-2.6.16.54-0.2.5-smp(x86_64)@comp34.ch.
                 Created on  5/28/12 at 10:29: 1 by user: wales       

            Maximum number of ATOMS:     25140, and RESidues:       14000
            Current HEAP size:         2048000, and STACK size:    500000

 RDTITL> *
 RDTITL> No title read.

      ***** LEVEL  1 WARNING FROM <RDTITL> *****
      ***** Title expected.
      ******************************************
      BOMLEV (  0) IS NOT REACHED. WRNLEV IS  5

  
 CHARMM>    BOMLev -5
 MISCOM> Setting BOMLev < -2 is NOT a good idea.
 Parameter: TOP <- "toph19_eef1_bs360.inp"
 Parameter: PAR <- "param19_eef1_bs360.inp"
  
 CHARMM>    WRNLEV -1
  
 CHARMM>    PRNLEV 2
 Parameter: 0 <- "/HOME/BS360/C31A2-SAT39/TOPPAR"
 VOPEN> Attempting to open::/home/bs360/c31a2-sat39/toppar/toph19_eef1_bs360.inp::
 OPNLGU> Unit  1 opened for READONLY access to /home/bs360/c31a2-sat39/toppar/toph19_eef1_bs360.inp
 MAINIO> Residue topology file being read from unit   1.
 TITLE> * TOPOLOGY FILE FOR PROTEINS USING EXPLICIT HYDROGEN ATOMS: VERSION 19
 TITLE> * S TRYGUBENKO: ASN, GLN AND TYR DIHEDRALS AND CTER IMPROPER WERE
 TITLE> * SYMMETRIZED TO ENSURE THAT ROTAMERS OF THESE RESIDUES HAVE THE SAME
 TITLE> * ENERGIES AND GEOMETRIES. VISIT HTTP://WWW.TRYGUB.COM/CHARMM/ROTAMERS/
 TITLE> * FOR MORE INFORMATION. UNSUPPORTED. USE THIS FILE AT YOUR OWN RISK.
 TITLE> * MODIFICATIONS ARE MARKED WITH SAT AND DAE.
 TITLE> * ALSO, TOPOLOGY FOR D-PROLINE (DPR) RESIDUE WAS ADDED.
 TITLE> * * T. LAZARIDIS: HERE THE IONIC SIDECHAINS AND TERMINI ARE NEUTRALIZED
 TITLE> * ALSO, A NEW ATOM TYPE HAS BEEN ADDED, CR, FOR 4-BONDED CARBON IN
 TITLE> * AROMATICS AND ARGININE. MODIFICATIONS ARE MARKED BY TL
 TITLE> *
 VCLOSE: Closing unit    1 with status "KEEP"
 VOPEN> Attempting to open::/home/bs360/c31a2-sat39/toppar/param19_eef1_bs360.inp::
 OPNLGU> Unit  2 opened for READONLY access to /home/bs360/c31a2-sat39/toppar/param19_eef1_bs360.inp

          PARAMETER FILE BEING READ FROM UNIT  2
 TITLE> * - PARAMETER FILE PARAM19 * S TRYGUBENKO: ASN, GLN AND TYR DIHEDRALS AND CTER IMPROPER WERE
 TITLE> * SYMMETRIZED TO ENSURE THAT ROTAMERS OF THESE RESIDUES HAVE THE SAME
 TITLE> * ENERGIES AND GEOMETRIES. VISIT HTTP://WWW.TRYGUB.COM/CHARMM/ROTAMERS/
 TITLE> * FOR MORE INFORMATION. UNSUPPORTED. USE THIS FILE AT YOUR OWN RISK.
 TITLE> * MODIFICATIONS ARE MARKED WITH SAT AND DAE.
 TITLE> * * PEPTIDE GEOMETRY FROM RAMACHANDRAN ET AL BBA 359:298 (1974)
 TITLE> * TORSIONS FROM HAGLER ET AL JACS 98:4600 (1976)
 TITLE> * JORGENSEN NONBOND PARAMETERS JACS 103:3976-3985 WITH 1-4 RC=1.80/0.1
 TITLE> *
 VCLOSE: Closing unit    2 with status "KEEP"
 MAINIO> Sequence information being read from unit   5.
 RDTITL> *

          RESIDUE SEQUENCE --     7 RESIDUES
          GLY ASN ASN GLN GLN ASN TYR 
 THE PATCH 'NTER' WILL BE USED FOR THE FIRST RESIDUE
 THE PATCH 'CTER' WILL BE USED FOR THE LAST  RESIDUE
 GENPSF> Segment   1 has been generated. Its identifier is SEG1.
 PSFSUM> PSF modified: NONBOND lists and IMAGE atoms cleared.
 PSFSUM> Summary of the structure file counters :
         Number of segments      =        1   Number of residues   =        7
         Number of atoms         =       79   Number of groups     =       33
         Number of bonds         =       79   Number of angles     =      113
         Number of dihedrals     =       48   Number of impropers  =       37
         Number of cross-terms   =        0
         Number of HB acceptors  =       14   Number of HB donors  =       20
         Number of NB exclusions =        3   Total charge =    0.00000
 VOPEN> Attempting to open::input.crd::
 OPNLGU> Unit 20 opened for READONLY access to input.crd
          SPATIAL COORDINATES BEING READ FROM UNIT 20
 TITLE> 79
 VCLOSE: Closing unit   20 with status "KEEP"

 NONBOND OPTION FLAGS: 
     ELEC     VDW      GROUps   RDIElec  SWITch   VGROup   VSWItch 
     BYGRoup  NOEXtnd  NOEWald 
 CUTNB  = 15.000 CTEXNB =999.000 CTONNB =  7.000 CTOFNB =  9.000
 WMIN   =  1.500 WRNMXD =  0.500 E14FAC =  0.400 EPS    =  1.000
 NBXMOD =      5
 There are        0 atom  pairs and        0 atom  exclusions.
 There are        0 group pairs and        0 group exclusions.
 <MAKINB> with mode   5 found    195 exclusions and    129 interactions(1-4)
 VOPEN> Attempting to open::/home/bs360/c31a2-sat39/toppar/solvpar.inp::
 OPNLGU> Unit 30 opened for READONLY access to /home/bs360/c31a2-sat39/toppar/solvpar.inp
 NBOND           79
 NTHETA          113
 NPHI           48

chsetdihe> number of internal coordinates for segment    1
 chsetdihe> NPHIPSI           14
 chsetdihe> NOMEGAC            6
 chsetdihe> NSIDECHAIN           15
 chsetdihe> NCHIRAL            6

chsetdihe> total number of internal coordinates
 chsetdihe> NPHIPSITOT=            14
 chsetdihe> NOMEGACTOT=             6
 chsetdihe> NSIDECHAINTOT=            15
 chsetdihe> NCHIRALTOT=             6

 chsetdihe>            29  twistable dihedrals identified
chsetdihe> SEG-NR, NSEGATOMS :    1      79

 fetchz> Hybrid EF/BFGS transition state search, maximum steps= 250
         maximum tangent space steps=   5 or  100 when overlap is better than     0.999900
 fetchz> Uphill mode is    0 for initial step and    0 after that
 fetchz> Steps for largest Hessian e/vector= 100, smallest e/vector=2000 convergence at       0.0020%

 fetchz>  237 Cartesian coordinates will be optimised for   79 CHARMM atoms

 fetchz> Lowest   1 eigenvalues and eigenvectors will be calculated non-iteratively
 fetchz> Point group checked when RMS force <     0.00100000, highest symmetry axis tested for=  6
 fetchz> Initial distance and eigenvalue tolerances in symmetry determination=     0.00010000     0.00010000
 fetchz> Minimum number of optimization steps=     0
 fetchz> Using constraint potential for initial interpolation in each cycle
         with absolute distance change tolerance         0.30000
         extra distance before turning on constraint potential         0.17500
         constraint spring constant=       10.00000
         image distance spring constant=        1.00000
         repulsion factor between unconstrained atoms=      100.00000
         repulsion cutoff will be the minimum of         1.55000 and the shortest distance in the end points
         fraction for restoring true potential=        0.99000
         maximum separation of atoms in sequence for constraint=   218
         minimum separation of atoms in sequence for repulsion=     0
         maximum optimization steps for constrained potential=  300001
         initial # images for constrained potential, maximum, check interval=       3      75      25
         number of interpolation attempts and initial image increment=       2      12
         RMS gradient per image tolerance for constrained potential=        0.01000
         maximum optimization steps for constrained/real potential=      25
         maximum steps for relaxation after adding a new atom before backtrack=     200
         maximum number of constraints per atom=     6
         maximum energy per image for convergence during constraint potential phase=        0.1000000000
         interval for checking repulsive interactions=    10
         multiple of cutoff for repulsion neighbour list=        2.0000000000
         adding terms for constraint internal minima
         Minimum and Maximum image separations:         0.10000       10.00000
 keywords> Cutoff for identifying atoms in the same orbit=    0.2000000000    
 keywords> lpermdist neighbours, threshold, max sep=    10     1.000000000         3
 fetchz> Convergence criterion for LBFGS optimization: RMS force< 0.10000000E-05 maximum steps= 10000
 fetchz> Maximum energy rise in LBFGS minimization=    0.1000000000E-01
 fetchz> Number of updates in LBFGS=    10000
 fetchz> Number of updates in XLBFGS=   4
 fetchz> Number of updates in mind=   4
 fetchz> Number of updates in qci=   4
 fetchz> Initial guess for diagonal elements in LBFGS=     0.0100
 fetchz> Initial guess for diagonal elements in XLBFGS=    0.1000
 fetchz> Maximum step size in LBFGS energy minimization=     0.1000
 fetchz> Maximum step size in XLBFGS=    0.2000
 fetchz> Maximum step size in LBFGS neb image minimization=                 0.2000
 fetchz> Warnings will be issued if atoms become closer than 0.5 units
 fetchz> Coordinates for intermediate steps will not be dumped to file points


 OPTIM> Using translational/rotational ev shift=     1000000.000    
 OPTIM> Initial energy=    -289.5789676     RMS force=    0.9705505048E-06
 OPTIM> Final energy  =    -288.9230880     RMS force=    0.8020470175E-06
 KeyConnect> Maximum cycles = 50, maximum images = 23
 KeyConnect> Maximum attempts per pair of minima = 3, with increment image density of 2.00
 KeyConnect> Image density = 0.30, iteration density = 35.00
 KeyNEB> Initial and final NEB force constants     10.00000000        10.00000000     factor=    1.010000000    
 KeyNEB> Number of images will vary depending on the separation of the endpoints
 KeyGrad> Overall rotation and translation will NOT be removed
 KeyGrad> Using doubly nudged elastic band gradient
 KeyOutput> Transition state candidates will be optimized
 KeyOutput> Concise printing during transition states optimization
 KeyOutput> Transition state candidates are maxima along NEB
 KeyMin> Maximal number of iterations will vary, depending on the number of images in the band
 KeyMin> RMS convergence criterion is set to 0.001
 KeyMin> L-BFGS minimization
 KeyLBFGS> Maximum step size per image =     0.2000000000    
 KeyLBFGS> 4 Hessian updates per iteration
 KeyLBFGS> Guess for inverse Hessian diagonal elements =     0.1000000000E-02
 KeyTau> Using Henkelman and Jonsson's improved tangent
 KeyDecide> Cost function in Dijkstra algorithm from interp function and dist, power=     3

 initialise> Interpolation metric value for minima 1 and 2 is      11.28059224    
 >>>>>>>>>>>>>>>>>>>>> CONNECT CYCLE 1 >>>>>>>>>>>>>>>>>>>>> 2 minima and 0 ts are known >>>>>>>>>>>>>>>>>>>>
 decide> Shortest path in Dijkstra has      1 steps with      1 missing connections, weight=     735.25    
 decide> The unconnected minima in the chain and their distances are:
     2        9.01     1 
 

 tryconnect> Interpolation for minima 1_S and 2_F using 3 initial images  (interp attempt #1)  ...
 intlbfgs> Maximum number of steps for constraint potential phase is 300001
 intlbfgs> Total number of atoms moving less than threshold=    56
 intlbfgs> constrained potential finished, time=       0.0
 intlbfgs> switch on true potential at step     47 fraction=    0.990000 images=     3 time=       0.0
 intlbfgs> Allowing     25 further optimization steps
 intlbfgs> After     72 steps, energy/image=    -217.0197765     RMS=38.20808221     images=   3
 intlbfgs> First  minimum number      1
 intlbfgs> Second minimum number      2
 intlbfgs> DNEB for minima      1     2 dist=   16.78     Attempts, images and iterations=     0     5   175
 lbfgs> Final DNEB force constant      5.846792891    
 Double-ended search iterations= 175 RMS= 0.2166 Dev= 0.35% S= 10.50 time= 0.48
 Following    1 images are candidates for TS:    3  
 Converged to TS (number of iterations):         22
 DNEB run yielded 1 true transition state(s) time=   0.65

 >>>>>  Path run for ts 1 ...
 Plus  side of path:                     588 steps. Energy=    -287.6984846       time=       0.49
 Minus side of path:                     509 steps. Energy=    -291.8748649       time=       0.41

         E+        Ets - E+           Ets       Ets - E-           E-          S       D      gamma   ~N
     -287.6984846  3.3395         -284.3590069  7.5159         -291.8748649  13.741  11.379   3.807  20.752
        *NEW* (Placed in 3)                                     *NEW* (Placed in 4)
 checkperc> Increasing con cutoff atoms     2    5 from     0.81348E-01 to     0.81366E-01 ref=     2.0234    
 checkperc> Increasing con cutoff atoms    13   15 from     0.14237E-01 to     0.14545E-01 ref=     3.0857    
 checkperc> Increasing con cutoff atoms     2    5 from     0.81366E-01 to     0.81411E-01 ref=     2.0234    
 Connection established between members of the U set.
 >>>>>>>>>>>>>>>>>>>>> CONNECT CYCLE 2 >>>>>>>>>>>>>>>>>>>>> 4 minima and 1 ts are known >>>>>>>>>>>>>>>>>>>>
 decide> Shortest path in Dijkstra has      2 steps with      2 missing connections, weight=     910.21    
 decide> The unconnected minima in the chain and their distances are:
     2        7.59     4     4        7.78     1 
 

 tryconnect> Interpolation for minima 2_F and 4_U using 3 initial images  (interp attempt #1)  ...
 intlbfgs> Maximum number of steps for constraint potential phase is 300001
 intlbfgs> Total number of atoms moving less than threshold=    65
 intlbfgs> Freezing     64 atoms
 intlbfgs> constrained potential finished, time=       0.0
 intlbfgs> switch on true potential at step     16 fraction=    0.990000 images=     3 time=       0.0
 intlbfgs> Allowing     25 further optimization steps
 intlbfgs> After     41 steps, energy/image=    -280.6098966     RMS=7.959893817     images=   3
 intlbfgs> First  minimum number      2
 intlbfgs> Second minimum number      4
 intlbfgs> DNEB for minima      2     4 dist=   14.67     Attempts, images and iterations=     0     4   140
 lbfgs> Final DNEB force constant      7.462153966    
 Double-ended search iterations= 140 RMS= 7.0079 Dev= 1.00% S= 7.76 time= 0.31
 Following    1 images are candidates for TS:    2  
 Converged to TS (number of iterations):         34
 DNEB run yielded 1 true transition state(s) time=   0.75

 >>>>>  Path run for ts 2 ...
 Plus  side of path:                     502 steps. Energy=    -291.2556971       time=       0.39
 Minus side of path:                     503 steps. Energy=    -291.8748649       time=       0.40

         E+        Ets - E+           Ets       Ets - E-           E-          S       D      gamma   ~N
     -291.2556971 0.30067         -290.9550226 0.91984         -291.8748649   3.670   3.283  11.094   7.121
        *NEW* (Placed in 5)                                     Known (#4)
 Connection established between members of the U set.

 tryconnect> Interpolation for minima 1_S and 4_U using 3 initial images  (interp attempt #1)  ...
 intlbfgs> Maximum number of steps for constraint potential phase is 300001
 intlbfgs> Total number of atoms moving less than threshold=    69
 intlbfgs> Freezing     64 atoms
 intlbfgs> constrained potential finished, time=       0.0
 intlbfgs> switch on true potential at step     24 fraction=    0.990000 images=     3 time=       0.0
 intlbfgs> Allowing     25 further optimization steps
 intlbfgs> After     49 steps, energy/image=    -279.2919043     RMS=2.065659672     images=   3
 intlbfgs> First  minimum number      1
 intlbfgs> Second minimum number      4
 intlbfgs> DNEB for minima      1     4 dist=   11.63     Attempts, images and iterations=     0     3   105
 lbfgs> Final DNEB force constant      8.638375985    
 Double-ended search iterations= 105 RMS= 0.3462 Dev= 1.20% S= 8.60 time= 0.17
 Following    1 images are candidates for TS:    2  
 Converged to TS (number of iterations):         27
 DNEB run yielded 1 true transition state(s) time=   0.68
 isnewts> transition state is the same as number        1 energy=     -284.3590068645
 tryconnect> Try the path again for ts      1 with pushoff=    0.1000000000E-01

 >>>>>  Path run for ts 3 ...
 tryconnect> Trying this transition state path again with pushoff=    0.1000000000E-01
 Plus  side of path:                     579 steps. Energy=    -287.6984846       time=       0.49
 Minus side of path:                     523 steps. Energy=    -291.8748649       time=       0.43

         E+        Ets - E+           Ets       Ets - E-           E-          S       D      gamma   ~N
     -287.6984846  3.3395         -284.3590069  7.5159         -291.8748649  13.743  11.381   3.795  20.816
        Known (#3)                                              Known (#4)
 Connection established between members of the U set.
 >>>>>>>>>>>>>>>>>>>>> CONNECT CYCLE 3 >>>>>>>>>>>>>>>>>>>>> 5 minima and 3 ts are known >>>>>>>>>>>>>>>>>>>>
 decide> Shortest path in Dijkstra has      4 steps with      2 missing connections, weight=     948.05    
 decide> The unconnected minima in the chain and their distances are:
     2        7.72     5     3        7.85     1 
 

 tryconnect> Interpolation for minima 2_F and 5_U using 3 initial images  (interp attempt #1)  ...
 intlbfgs> Maximum number of steps for constraint potential phase is 300001
 intlbfgs> Total number of atoms moving less than threshold=    64
 intlbfgs> constrained potential finished, time=       0.0
 intlbfgs> switch on true potential at step     16 fraction=    0.990000 images=     3 time=       0.0
 intlbfgs> Allowing     25 further optimization steps
 intlbfgs> After     41 steps, energy/image=    -283.3595595     RMS=2.546485387     images=   3
 intlbfgs> First  minimum number      2
 intlbfgs> Second minimum number      5
 intlbfgs> DNEB for minima      2     5 dist=   14.71     Attempts, images and iterations=     0     4   140
 lbfgs> Final DNEB force constant      7.462153966    
 Double-ended search iterations= 140 RMS= 0.2316 Dev= 1.10% S= 7.85 time= 0.31
 Following    1 images are candidates for TS:    1  
 Converged to TS (number of iterations):         18
 DNEB run yielded 1 true transition state(s) time=   0.62

 >>>>>  Path run for ts 4 ...
 Plus  side of path:                     504 steps. Energy=    -291.8748649       time=       0.42
 Minus side of path:                     471 steps. Energy=    -288.9230880       time=       0.37

         E+        Ets - E+           Ets       Ets - E-           E-          S       D      gamma   ~N
     -291.8748649  3.4584         -288.4164560 0.50663         -288.9230880   8.147   7.590   3.208  24.627
        Known (#4)                                              Known (#2)
 Unconnected minimum 4 found its way to F set.

 tryconnect> Interpolation for minima 1_S and 3_F using 3 initial images  (interp attempt #1)  ...
 intlbfgs> Maximum number of steps for constraint potential phase is 300001
 intlbfgs> Total number of atoms moving less than threshold=    73
 intlbfgs> Freezing     64 atoms
 intlbfgs> constrained potential finished, time=       0.0
 intlbfgs> switch on true potential at step     63 fraction=    0.990000 images=     3 time=       0.0
 intlbfgs> Allowing     25 further optimization steps
 intlbfgs> After     88 steps, energy/image=    -283.4785329     RMS=1.359384291     images=   3
 intlbfgs> First  minimum number      1
 intlbfgs> Second minimum number      3
 intlbfgs> DNEB for minima      1     3 dist=   12.24     Attempts, images and iterations=     0     3   105
 lbfgs> Final DNEB force constant      5.846792891    
 Double-ended search iterations= 105 RMS= 0.7997 Dev= 0.57% S= 9.74 time= 0.17
 Following    1 images are candidates for TS:    2  
 Converged to TS (number of iterations):         30
 DNEB run yielded 1 true transition state(s) time=   0.80

 >>>>>  Path run for ts 5 ...
 Plus  side of path:                     548 steps. Energy=    -287.6984846       time=       0.46
 Minus side of path:                     543 steps. Energy=    -289.5789676       time=       0.46

         E+        Ets - E+           Ets       Ets - E-           E-          S       D      gamma   ~N
     -287.6984846  2.1199         -285.5785448  4.0004         -289.5789676  13.259   7.871   9.700   8.144
        Known (#3)                                              Known (#1)
 Connected path found
  ts        E+         Ets - E+          Ets       Ets - E-          E-          S       D      gamma   ~N
   5     -289.5789676  4.0004        -285.5785448  2.1199        -287.6984846  13.259   7.871   9.700   8.144
   1     -287.6984846  3.3395        -284.3590069  7.5159        -291.8748649  13.741  11.379   3.807  20.752
   4     -291.8748649  3.4584        -288.4164560 0.50663        -288.9230880   8.147   7.590   3.208  24.627

 Number of TS in the path       =      3
 Number of cycles               =      3

 Elapsed time=                                 9.97
 OPTIM> # of energy calls=                         10 time=           0.01 %=  0.1
 OPTIM> # of energy+gradient calls=             10966 time=           5.67 %= 56.9
 OPTIM> # of energy+gradient+Hessian calls=       131 time=           0.14 %=  1.4
