
 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)@comp35.ch.
                 Created on  5/28/12 at 10:27:32 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=    -289.7900895     RMS force=    0.9066015354E-06
 OPTIM> Final energy  =    -293.4723152     RMS force=    0.7451765009E-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      40.37325053    
 >>>>>>>>>>>>>>>>>>>>> CONNECT CYCLE 1 >>>>>>>>>>>>>>>>>>>>> 2 minima and 0 ts are known >>>>>>>>>>>>>>>>>>>>
 decide> Shortest path in Dijkstra has      1 steps with      1 missing connections, weight=     40048.    
 decide> The unconnected minima in the chain and their distances are:
     2       34.17     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=     2
 intlbfgs> constrained potential finished, time=       0.0
 intlbfgs> switch on true potential at step    265 fraction=    0.990000 images=     3 time=       0.1
 intlbfgs> Allowing     25 further optimization steps
 intlbfgs> After    290 steps, energy/image=    -265.5170020     RMS=3.042833265     images=   4
 intlbfgs> First  minimum number      1
 intlbfgs> Second minimum number      2
 intlbfgs> DNEB for minima      1     2 dist=   40.34     Attempts, images and iterations=     0    12   420
 lbfgs> Final DNEB force constant     0.5353552375    
 Double-ended search iterations= 420 RMS= 0.0910 Dev= 5.51% S= 45.17 time= 2.90
 Following    2 images are candidates for TS:    6   10  
 Converged to TS (number of iterations):         67
 Converged to TS (number of iterations):         52
 DNEB run yielded 2 true transition state(s) time=   2.54

 >>>>>  Path run for ts 1 ...
 Plus  side of path:                     533 steps. Energy=    -288.8666125       time=       0.43
 Minus side of path:                     525 steps. Energy=    -286.9841251       time=       0.43

         E+        Ets - E+           Ets       Ets - E-           E-          S       D      gamma   ~N
     -288.8666125  2.6105         -286.2560713 0.72805         -286.9841251  10.035   9.078   3.558  22.205
        *NEW* (Placed in 3)                                     *NEW* (Placed in 4)
 Connection established between members of the U set.

 >>>>>  Path run for ts 2 ...
 Plus  side of path:                     504 steps. Energy=    -288.7291652       time=       0.45
 Minus side of path:                     545 steps. Energy=    -288.8666125       time=       0.46

         E+        Ets - E+           Ets       Ets - E-           E-          S       D      gamma   ~N
     -288.7291652 0.98094         -287.7482292  1.1184         -288.8666125  17.399  17.165   2.102  37.578
        *NEW* (Placed in 5)                                     Known (#3)
 Connection established between members of the U set.
 >>>>>>>>>>>>>>>>>>>>> CONNECT CYCLE 2 >>>>>>>>>>>>>>>>>>>>> 5 minima and 2 ts are known >>>>>>>>>>>>>>>>>>>>
 decide> Shortest path in Dijkstra has      4 steps with      2 missing connections, weight=     4632.9    
 decide> The unconnected minima in the chain and their distances are:
     2        7.75     5     4       16.07     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=    71
 intlbfgs> Freezing     64 atoms
 intlbfgs> constrained potential finished, time=       0.0
 intlbfgs> switch on true potential at step     18 fraction=    0.990000 images=     3 time=       0.0
 intlbfgs> Allowing     25 further optimization steps
 intlbfgs> After     43 steps, energy/image=    -277.2905254     RMS=9.192973729     images=   3
 intlbfgs> First  minimum number      2
 intlbfgs> Second minimum number      5
 intlbfgs> DNEB for minima      2     5 dist=   14.62     Attempts, images and iterations=     0     4   140
 lbfgs> Final DNEB force constant      6.768393620    
 Double-ended search iterations= 140 RMS= 1.0431 Dev= 1.74% S= 8.00 time= 0.33
 Following    1 images are candidates for TS:    3  
 Converged to TS (number of iterations):         21
 DNEB run yielded 1 true transition state(s) time=   0.63

 >>>>>  Path run for ts 3 ...
 Plus  side of path:                     522 steps. Energy=    -293.4723152       time=       0.44
 Minus side of path:                     503 steps. Energy=    -288.7291652       time=       0.42

         E+        Ets - E+           Ets       Ets - E-           E-          S       D      gamma   ~N
     -293.4723152  4.9573         -288.5150045 0.21416         -288.7291652   8.759   7.752   8.961   8.816
        Known (#2)                                              Known (#5)
 Unconnected minimum 5 found its way to F set.

 tryconnect> Interpolation for minima 1_S and 4_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=    19
 intlbfgs> constrained potential finished, time=       0.0
 intlbfgs> switch on true potential at step     92 fraction=    0.990000 images=     3 time=       0.1
 intlbfgs> Allowing     25 further optimization steps
 intlbfgs> After    117 steps, energy/image=    -282.2427133     RMS=3.292051663     images=   3
 intlbfgs> First  minimum number      1
 intlbfgs> Second minimum number      4
 intlbfgs> DNEB for minima      1     4 dist=   18.49     Attempts, images and iterations=     0     5   175
 lbfgs> Final DNEB force constant      2.429463211    
 Double-ended search iterations= 175 RMS= 0.2378 Dev= 1.86% S= 17.58 time= 0.48
 Following    1 images are candidates for TS:    4  
 Converged to TS (number of iterations):         17
 DNEB run yielded 1 true transition state(s) time=   0.60

 >>>>>  Path run for ts 4 ...
 Plus  side of path:                     645 steps. Energy=    -287.5795112       time=       0.56
 Minus side of path:                     551 steps. Energy=    -291.0799899       time=       0.45

         E+        Ets - E+           Ets       Ets - E-           E-          S       D      gamma   ~N
     -287.5795112  2.1910         -285.3885192  5.6915         -291.0799899  16.913  13.751   3.393  23.283
        *NEW* (Placed in 6)                                     *NEW* (Placed in 7)
 Connection established between members of the U set.
 >>>>>>>>>>>>>>>>>>>>> CONNECT CYCLE 3 >>>>>>>>>>>>>>>>>>>>> 7 minima and 4 ts are known >>>>>>>>>>>>>>>>>>>>
 decide> Shortest path in Dijkstra has      6 steps with      2 missing connections, weight=     1130.1    
 decide> The unconnected minima in the chain and their distances are:
     4        7.32     6     7        9.03     1 
 

 tryconnect> Interpolation for minima 4_F and 6_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=    67
 intlbfgs> Freezing     64 atoms
 intlbfgs> constrained potential finished, time=       0.0
 intlbfgs> switch on true potential at step     19 fraction=    0.990000 images=     3 time=       0.0
 intlbfgs> Allowing     25 further optimization steps
 intlbfgs> After     44 steps, energy/image=    -265.5570368     RMS=13.70954769     images=   3
 intlbfgs> First  minimum number      4
 intlbfgs> Second minimum number      6
 intlbfgs> DNEB for minima      4     6 dist=   14.50     Attempts, images and iterations=     0     4   140
 lbfgs> Final DNEB force constant      7.462153966    
 Double-ended search iterations= 140 RMS= 0.1826 Dev= 0.74% S= 7.48 time= 0.31
 Following    1 images are candidates for TS:    2  
 Converged to TS (number of iterations):         17
 DNEB run yielded 1 true transition state(s) time=   0.60

 >>>>>  Path run for ts 5 ...
 Plus  side of path:                     635 steps. Energy=    -287.5795112       time=       0.54
 Minus side of path:                     524 steps. Energy=    -286.9841251       time=       0.42

         E+        Ets - E+           Ets       Ets - E-           E-          S       D      gamma   ~N
     -287.5795112  1.7222         -285.8572695  1.1269         -286.9841251   8.964   7.319   4.059  19.462
        Known (#6)                                              Known (#4)
 Unconnected minimum 6 found its way to F set.

 tryconnect> Interpolation for minima 1_S and 7_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=    51
 intlbfgs> constrained potential finished, time=       0.0
 intlbfgs> switch on true potential at step     29 fraction=    0.990000 images=     3 time=       0.0
 intlbfgs> Allowing     25 further optimization steps
 intlbfgs> After     54 steps, energy/image=    -283.1112842     RMS=4.697309682     images=   3
 intlbfgs> First  minimum number      1
 intlbfgs> Second minimum number      7
 intlbfgs> DNEB for minima      1     7 dist=   15.57     Attempts, images and iterations=     0     4   140
 lbfgs> Final DNEB force constant      5.568374182    
 Double-ended search iterations= 140 RMS= 0.0811 Dev= 0.65% S= 9.10 time= 0.31
 Following    1 images are candidates for TS:    2  
 Converged to TS (number of iterations):         25
 DNEB run yielded 1 true transition state(s) time=   0.69

 >>>>>  Path run for ts 6 ...
 Plus  side of path:                     476 steps. Energy=    -289.7900895       time=       0.37
 Minus side of path:                     558 steps. Energy=    -291.0799899       time=       0.45

         E+        Ets - E+           Ets       Ets - E-           E-          S       D      gamma   ~N
     -289.7900895 0.23423E-02     -289.7877472  1.2922         -291.0799899   9.164   9.032   2.114  37.375
        Known (#1)                                              Known (#7)
 Connected path found
  ts        E+         Ets - E+          Ets       Ets - E-          E-          S       D      gamma   ~N
   6     -289.7900895 0.23423E-02    -289.7877472  1.2922        -291.0799899   9.164   9.032   2.114  37.375
   4     -291.0799899  5.6915        -285.3885192  2.1910        -287.5795112  16.913  13.751   3.393  23.283
   5     -287.5795112  1.7222        -285.8572695  1.1269        -286.9841251   8.964   7.319   4.059  19.462
   1     -286.9841251 0.72805        -286.2560713  2.6105        -288.8666125  10.035   9.078   3.558  22.205
   2     -288.8666125  1.1184        -287.7482292 0.98094        -288.7291652  17.399  17.165   2.102  37.578
   3     -288.7291652 0.21416        -288.5150045  4.9573        -293.4723152   8.759   7.752   8.961   8.816

 Number of TS in the path       =      6
 Number of cycles               =      3

 Elapsed time=                                15.90
 OPTIM> # of energy calls=                         10 time=           0.01 %=  0.0
 OPTIM> # of energy+gradient calls=             18039 time=           9.66 %= 60.7
 OPTIM> # of energy+gradient+Hessian calls=       199 time=           0.21 %=  1.3
