
 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 10:31:10 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=    -292.9870372     RMS force=    0.8888660499E-06
 OPTIM> Final energy  =    -298.7697561     RMS force=    0.9468871542E-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      16.85347629    
 >>>>>>>>>>>>>>>>>>>>> CONNECT CYCLE 1 >>>>>>>>>>>>>>>>>>>>> 2 minima and 0 ts are known >>>>>>>>>>>>>>>>>>>>
 decide> Shortest path in Dijkstra has      1 steps with      1 missing connections, weight=     2542.9    
 decide> The unconnected minima in the chain and their distances are:
     2       13.63     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=    46
 intlbfgs> constrained potential finished, time=       0.0
 intlbfgs> switch on true potential at step    127 fraction=    0.990000 images=     3 time=       0.0
 intlbfgs> Allowing     25 further optimization steps
 intlbfgs> After    152 steps, energy/image=    -281.7544109     RMS=1.410542756     images=   3
 intlbfgs> First  minimum number      1
 intlbfgs> Second minimum number      2
 intlbfgs> DNEB for minima      1     2 dist=   17.09     Attempts, images and iterations=     0     5   175
 lbfgs> Final DNEB force constant      3.957339570    
 Double-ended search iterations= 175 RMS= 1.9924 Dev= 0.82% S= 16.42 time= 0.50
 Following    1 images are candidates for TS:    4  
 Converged to TS (number of iterations):         32
 DNEB run yielded 1 true transition state(s) time=   0.77

 >>>>>  Path run for ts 1 ...
 Plus  side of path:                     501 steps. Energy=    -300.9787249       time=       0.42
 Minus side of path:                     526 steps. Energy=    -298.7697561       time=       0.47

         E+        Ets - E+           Ets       Ets - E-           E-          S       D      gamma   ~N
     -300.9787249  7.5471         -293.4316651  5.3381         -298.7697561   8.493   6.905   3.591  21.998
        *NEW* (Placed in 3)                                     Known (#2)
 Unconnected minimum 3 found its way to F set.
 >>>>>>>>>>>>>>>>>>>>> CONNECT CYCLE 2 >>>>>>>>>>>>>>>>>>>>> 3 minima and 1 ts are known >>>>>>>>>>>>>>>>>>>>
 decide> Shortest path in Dijkstra has      2 steps with      1 missing connections, weight=     2560.0    
 decide> The unconnected minima in the chain and their distances are:
     3       13.66     1 
 

 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=    37
 intlbfgs> constrained potential finished, time=       0.0
 intlbfgs> switch on true potential at step    103 fraction=    0.990000 images=     3 time=       0.0
 intlbfgs> Allowing     25 further optimization steps
 intlbfgs> After    128 steps, energy/image=     852.9526589     RMS=402.0508453     images=   3
 intlbfgs> First  minimum number      1
 intlbfgs> Second minimum number      3
 intlbfgs> DNEB for minima      1     3 dist=   23.55     Attempts, images and iterations=     0     7   245
 lbfgs> Final DNEB force constant      2.678483190    
 Double-ended search iterations= 245 RMS= 0.2171 Dev= 1.49% S= 16.21 time= 1.01
 Following    2 images are candidates for TS:    2    5  
 Converged to TS (number of iterations):         17
 Converged to TS (number of iterations):         37
 DNEB run yielded 2 true transition state(s) time=   1.44

 >>>>>  Path run for ts 2 ...
 Plus  side of path:                     502 steps. Energy=    -292.9870372       time=       0.49
 Minus side of path:                     550 steps. Energy=    -300.9787249       time=       0.50

         E+        Ets - E+           Ets       Ets - E-           E-          S       D      gamma   ~N
     -292.9870372  2.0722         -290.9148308  10.064         -300.9787249  13.202  12.879   2.379  33.208
        Known (#1)                                              *NEW* (Placed in 4)
 Unconnected minimum 4 found its way to S set.

 >>>>>  Path run for ts 3 ...
 Plus  side of path:                     571 steps. Energy=    -300.9787249       time=       0.48
 Minus side of path:                     526 steps. Energy=    -293.1884727       time=       0.46

         E+        Ets - E+           Ets       Ets - E-           E-          S       D      gamma   ~N
     -300.9787249  8.9978         -291.9808765  1.2076         -293.1884727  12.919   8.722   8.392   9.413
        Known (#4)                                              *NEW* (Placed in 5)
 checkperc> Increasing con cutoff atoms    42   44 from     0.60285E-02 to     0.61675E-02 ref=     1.4572    
 Unconnected minimum 5 found its way to S set.
 >>>>>>>>>>>>>>>>>>>>> CONNECT CYCLE 3 >>>>>>>>>>>>>>>>>>>>> 5 minima and 3 ts are known >>>>>>>>>>>>>>>>>>>>
 decide> Shortest path in Dijkstra has      3 steps with      1 missing connections, weight=     110.95    
 decide> The unconnected minima in the chain and their distances are:
     3        4.79     4 
 

 checkpair> Energies of the minima in the pair     3    4 are the same - checking distance ...

 tryconnect> Interpolation for minima 3_F and 4_S 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=    75
 intlbfgs> Freezing     64 atoms
 intlbfgs> constrained potential finished, time=       0.0
 intlbfgs> switch on true potential at step    167 fraction=    0.990000 images=     2 time=       0.0
 intlbfgs> Allowing     25 further optimization steps
 intlbfgs> After    192 steps, energy/image=    -228.0003670     RMS=19.05324843     images=   2
 intlbfgs> First  minimum number      3
 intlbfgs> Second minimum number      4
 intlbfgs> DNEB for minima      3     4 dist=   13.62     Attempts, images and iterations=     0     4   140
 lbfgs> Final DNEB force constant      10.00000000    
 Double-ended search iterations= 140 RMS= 0.5652 Dev= 0.73% S= 7.76 time= 0.32
 Following    1 images are candidates for TS:    2  
 Converged to TS (number of iterations):         33
 DNEB run yielded 1 true transition state(s) time=   0.93

 >>>>>  Path run for ts 4 ...
 Plus  side of path:                     512 steps. Energy=    -300.6433962       time=       0.42
 Minus side of path:                     529 steps. Energy=    -300.6433962       time=       0.43

         E+        Ets - E+           Ets       Ets - E-           E-          S       D      gamma   ~N
     -300.6433962  6.3883         -294.2551427  6.3883         -300.6433962   7.935   4.820  19.384   4.075
        *NEW* (Placed in 6)                                     *NEW* (Placed in 7)
 Connection established between members of the U set.
 >>>>>>>>>>>>>>>>>>>>> CONNECT CYCLE 4 >>>>>>>>>>>>>>>>>>>>> 7 minima and 4 ts are known >>>>>>>>>>>>>>>>>>>>
 decide> Shortest path in Dijkstra has      5 steps with      2 missing connections, weight=     211.08    
 decide> The unconnected minima in the chain and their distances are:
     3        4.72     7     6        4.72     4 
 

 tryconnect> Interpolation for minima 3_F and 7_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=    76
 intlbfgs> Freezing     64 atoms
 intlbfgs> constrained potential finished, time=       0.0
 intlbfgs> switch on true potential at step     23 fraction=    0.990000 images=     3 time=       0.0
 intlbfgs> Allowing     25 further optimization steps
 intlbfgs> After     48 steps, energy/image=    -294.4593911     RMS=5.430046540     images=   3
 intlbfgs> First  minimum number      3
 intlbfgs> Second minimum number      7
 intlbfgs> DNEB for minima      3     7 dist=   12.82     Attempts, images and iterations=     0     3   105
 lbfgs> Final DNEB force constant      12.76281563    
 Double-ended search iterations= 105 RMS= 0.3005 Dev= 0.55% S= 4.83 time= 0.18
 Following    1 images are candidates for TS:    3  
 Converged to TS (number of iterations):         13
 DNEB run yielded 1 true transition state(s) time=   0.54

 >>>>>  Path run for ts 5 ...
 Plus  side of path:                     528 steps. Energy=    -300.9787249       time=       0.43
 Minus side of path:                     434 steps. Energy=    -300.6433962       time=       0.33

         E+        Ets - E+           Ets       Ets - E-           E-          S       D      gamma   ~N
     -300.9787249 0.34062         -300.6381067 0.52894E-02     -300.6433962   4.882   4.722  11.266   7.012
        Known (#3)                                              Known (#7)
 Unconnected minimum 7 found its way to F set.

 tryconnect> Interpolation for minima 4_S and 6_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=    76
 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=    -297.7072036     RMS=.2864012984     images=   3
 intlbfgs> First  minimum number      4
 intlbfgs> Second minimum number      6
 intlbfgs> DNEB for minima      4     6 dist=   6.151     Attempts, images and iterations=     0     2    70
 lbfgs> Final DNEB force constant      7.462153966    
 Double-ended search iterations= 70 RMS= 0.5791 Dev= 0.18% S= 4.83 time= 0.08
 Following    1 images are candidates for TS:    2  
 Converged to TS (number of iterations):         18
 DNEB run yielded 1 true transition state(s) time=   0.54

 >>>>>  Path run for ts 6 ...
 Plus  side of path:                     441 steps. Energy=    -300.6433962       time=       0.34
 Minus side of path:                     529 steps. Energy=    -300.9787249       time=       0.45

         E+        Ets - E+           Ets       Ets - E-           E-          S       D      gamma   ~N
     -300.6433962 0.52894E-02     -300.6381067 0.34062         -300.9787249   4.882   4.722  11.271   7.009
        Known (#6)                                              Known (#4)
 Connected path found
  ts        E+         Ets - E+          Ets       Ets - E-          E-          S       D      gamma   ~N
   2     -292.9870372  2.0722        -290.9148308  10.064        -300.9787249  13.202  12.879   2.379  33.208
   6     -300.9787249 0.34062        -300.6381067 0.52894E-02    -300.6433962   4.882   4.722  11.271   7.009
   4     -300.6433962  6.3883        -294.2551427  6.3883        -300.6433962   7.935   4.820  19.384   4.075
   5     -300.6433962 0.52894E-02    -300.6381067 0.34062        -300.9787249   4.882   4.722  11.266   7.012
   1     -300.9787249  7.5471        -293.4316651  5.3381        -298.7697561   8.493   6.905   3.591  21.998

 Number of TS in the path       =      5
 Number of cycles               =      4

 Elapsed time=                                12.59
 OPTIM> # of energy calls=                         10 time=           0.01 %=  0.0
 OPTIM> # of energy+gradient calls=             13178 time=           7.14 %= 56.7
 OPTIM> # of energy+gradient+Hessian calls=       150 time=           0.21 %=  1.6
