[AMBER] mmpbsa

From: Sel Ercan <slmrcn.ymail.com>
Date: Sat, 4 Feb 2012 17:05:08 -0800 (PST)

Hi all!
Can anyone tell me why the values obtained from MMPBSA are so large? I also run mm_pbsa.pl and its results were plausible.

Thanks.
| Run on Sun Feb  5 02:59:59 EET 2012

|Input file:
|--------------------------------------------------------------
|Input file for running PB and GB in serial
|&general
|   startframe=1, endframe=50, interval=10,
|   verbose=2,  keep_files=2,
|/
|&gb
|  igb=2, saltcon=0.150,
|/
|&pb
|  istrng=0.15, fillratio=4.0
|/
|--------------------------------------------------------------
|Solvated complex topology file:  com-wi.top
|Complex topology file:           com.top
|Receptor topology file:          rec.top
|Ligand topology file:            lig.top
|Initial mdcrd(s):                md6.mdcrd
|
|Best guess for receptor mask:   ":1-180"
|Best guess for  ligand  mask:   ":181"
|Ligand residue name is "L01"
|
|Calculations performed using 5 frames.
|Poisson Boltzmann calculations performed using internal PBSA solver in sander.
|
|All units are reported in kcal/mole.
-------------------------------------------------------------------------------
-------------------------------------------------------------------------------

GENERALIZED BORN:



WARNING: INCONSISTENCIES EXIST WITHIN INTERNAL POTENTIAL TERMS (BOND, ANGLE, AND/OR DIHED).
         CHECK YOUR INPUT FILES AND SYSTEM SETUP. THESE RESULTS MAY NOT BE RELIABLE (check differences)!


WARNING: INCONSISTENCIES EXIST WITHIN 1-4 NON-BONDED TERMS.
         CHECK YOUR INPUT FILES AND SYSTEM SETUP. THESE RESULTS MAY NOT BE RELIABLE (check differences)!

The most common cause of this is inconsistent charge definitions across topology files.
Complex:
Energy Component            Average              Std. Dev.   Std. Err. of Mean
-------------------------------------------------------------------------------
BOND                   4468006.6134          2551485.0034        1275742.5017
ANGLE                   192526.3776           114142.9719          57071.4859
DIHED                     5676.9384             2569.8249           1284.9124
VDWAALS                6506271.2812          6537858.8705        3268929.4352
EEL                     -12778.8542              853.5929            426.7965
1-4 VDW                1596568.2907           911833.7055         455916.8527
1-4 EEL                   7493.0783             1710.4797            855.2398
EGB                      -4769.3870             1653.1985            826.5993
ESURF                       70.6792                2.8985              1.4493

G gas                 12763763.7255          8616000.8089        4308000.4044
G solv                   -4698.7078             1652.4695            826.2348

TOTAL                 12759065.0177          8615745.7068        4307872.8534


Receptor:
Energy Component            Average              Std. Dev.   Std. Err. of Mean
-------------------------------------------------------------------------------
BOND                   5024138.4848          3126481.3527        1563240.6764
ANGLE                   178184.4100           103359.8225          51679.9112
DIHED                     7187.4654             3082.1635           1541.0818
VDWAALS        1689047950663746.2500 2791321254216286.0000 1395660627108143.0000
EEL                      -9048.4383             3199.2678           1599.6339
1-4 VDW        7389795985768732.0000 12785878762283912.0000 6392939381141956.0000
1-4 EEL                   4841.2467             3170.1210           1585.0605
EGB                      -4030.7533              968.7330            484.3665
ESURF                       66.4631                4.6104              2.3052

G gas          9078843941637782.0000 15575901631105614.0000 7787950815552807.0000
G solv                   -3964.2901              972.5408            486.2704

TOTAL          9078843941633816.0000 15575901631105414.0000 7787950815552707.0000


Ligand:
Energy Component            Average              Std. Dev.   Std. Err. of Mean
-------------------------------------------------------------------------------
BOND                   1415003.3864           752781.9817         376390.9909
ANGLE                     3330.1880              173.3357             86.6679
DIHED                      187.2750               70.9806             35.4903
VDWAALS             8987259516.9542      15509991441.3610     7754995720.6805
EEL                        134.7922              130.3638             65.1819
1-4 VDW                3716527.7997          6371013.7714        3185506.8857
1-4 EEL                     16.5765               36.0347             18.0173
EGB                       -287.0035              130.2550             65.1275
ESURF                        2.4828                0.2962              0.1481

G gas               8992394716.9719      15516634590.8691     7758317295.4346
G solv                    -284.5207              130.1194             65.0597

TOTAL               8992394432.4512      15516634540.8871     7758317270.4436


Differences (Complex - Receptor - Ligand):
Energy Component            Average              Std. Dev.   Std. Err. of Mean
-------------------------------------------------------------------------------
BOND                  -1971135.2578          1763041.8529         881520.9265
ANGLE                    11011.7795            35153.8154          17576.9077
DIHED                    -1697.8020             1736.8869            868.4435
VDWAALS        -1689056931416992.2500 2791336758363861.0000 1395668379181930.5000
EEL                      -3865.2081             2712.6319           1356.3160
1-4 VDW        -7389795987888692.0000 12785878768538460.0000 6392939384269230.0000
1-4 EEL                   2635.2552             3408.7393           1704.3696
EGB                       -451.6301             1651.3977            825.6988
ESURF                        1.7332                4.6950              2.3475

DELTA G gas    -9078852921268734.0000 15575917147905362.0000 7787958573952681.0000
DELTA G solv              -449.8969             1650.1400            825.0700


 DELTA G binding = -9078852921269184.0000 +/- 15575917147905742.0000  7787958573952871.0000


-------------------------------------------------------------------------------
-------------------------------------------------------------------------------

POISSON BOLTZMANN:



WARNING: INCONSISTENCIES EXIST WITHIN INTERNAL POTENTIAL TERMS (BOND, ANGLE, AND/OR DIHED).
         CHECK YOUR INPUT FILES AND SYSTEM SETUP. THESE RESULTS MAY NOT BE RELIABLE (check differences)!


WARNING: INCONSISTENCIES EXIST WITHIN 1-4 NON-BONDED TERMS.
         CHECK YOUR INPUT FILES AND SYSTEM SETUP. THESE RESULTS MAY NOT BE RELIABLE (check differences)!

The most common cause of this is inconsistent charge definitions across topology files.
Complex:
Energy Component            Average              Std. Dev.   Std. Err. of Mean
-------------------------------------------------------------------------------
BOND                   4468006.6134          2551485.0034        1275742.5017
ANGLE                   192526.3776           114142.9719          57071.4859
DIHED                     5676.9384             2569.8249           1284.9124
VDWAALS                6506271.2812          6537858.8705        3268929.4352
EEL                     -12778.8542              853.5929            426.7965
1-4 VDW                1596568.2907           911833.7055         455916.8527
1-4 EEL                   7493.0783             1710.4797            855.2398
EPB                      -3891.3737             1204.6692            602.3346
ECAVITY                     58.0750                0.6146              0.3073

G gas                 12763763.7255          8616000.8089        4308000.4044
G solv                   -3833.2987             1204.2659            602.1329

TOTAL                 12759930.4268          8615928.5763        4307964.2881


Receptor:
Energy Component            Average              Std. Dev.   Std. Err. of Mean
-------------------------------------------------------------------------------
BOND                   5024138.4848          3126481.3527        1563240.6764
ANGLE                   178184.4100           103359.8225          51679.9112
DIHED                     7187.4654             3082.1635           1541.0818
VDWAALS        1689047950663554.5000 2791321254216004.5000 1395660627108002.2500
EEL                      -9048.4383             3199.2678           1599.6339
1-4 VDW        7389795985768732.0000 12785878762283912.0000 6392939381141956.0000
1-4 EEL                   4841.2467             3170.1210           1585.0605
EPB                      -3163.4173              481.8471            240.9236
ECAVITY                     58.6247                0.9822              0.4911

G gas          9078843941637590.0000 15575901631105336.0000 7787950815552668.0000
G solv                   -3104.7926              481.1980            240.5990

TOTAL          9078843941634484.0000 15575901631105264.0000 7787950815552632.0000


Ligand:
Energy Component            Average              Std. Dev.   Std. Err. of Mean
-------------------------------------------------------------------------------
BOND                   1415003.3864           752781.9817         376390.9909
ANGLE                     3330.1880              173.3357             86.6679
DIHED                      187.2750               70.9806             35.4903
VDWAALS             8987259516.9542      15509991441.3610     7754995720.6805
EEL                        134.7922              130.3638             65.1819
1-4 VDW                3716527.7997          6371013.7714        3185506.8857
1-4 EEL                     16.5765               36.0347             18.0173
EPB                       -266.8480              125.3258             62.6629
ECAVITY                      2.9364                0.4849              0.2424

G gas               8992394716.9719      15516634590.8691     7758317295.4346
G solv                    -263.9116              124.9746             62.4873

TOTAL               8992394453.0603      15516634540.5456     7758317270.2728


Differences (Complex - Receptor - Ligand):
Energy Component            Average              Std. Dev.   Std. Err. of Mean
-------------------------------------------------------------------------------
BOND                  -1971135.2578          1763041.8529         881520.9265
ANGLE                    11011.7795            35153.8154          17576.9077
DIHED                    -1697.8020             1736.8869            868.4435
VDWAALS        -1689056931416800.5000 2791336758363579.5000 1395668379181789.7500
EEL                      -3865.2081             2712.6319           1356.3160
1-4 VDW        -7389795987888692.0000 12785878768538460.0000 6392939384269230.0000
1-4 EEL                   2635.2552             3408.7393           1704.3696
EPB                       -461.1084             1149.5946            574.7973
ECAVITY                     -3.4861                1.0773              0.5387

DELTA G gas    -9078852921268544.0000 15575917147905082.0000 7787958573952541.0000
DELTA G solv              -464.5945             1150.1092            575.0546


 DELTA G binding = -9078852921269008.0000 +/- 15575917147905610.0000  7787958573952805.0000


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Received on Sat Feb 04 2012 - 17:30:02 PST
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