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how to generate FF12MC forcefield ?

Open yhgon opened this issue 4 years ago • 0 comments

How to generate FF12MC forcefield to OpenMM with information?

paper supplementary material zip mmc2.txt

The following is an excerpt from the contents of the parameter forcefield of FF12MC .

FF12MC:FF99+IonsjcTip3p+LowMass+leanH+0Torsion(sp3)+SCNB=1.0&SCEE=1.18(phi&psi),YPP,Jul12,2013
C    1.2010        0.616  !            sp2 C carbonyl group 
CA   1.2010        0.360               sp2 C pure aromatic (benzene)
CB   1.2010        0.360               sp2 aromatic C, 5&6 membered ring junction
CC   1.2010        0.360               sp2 aromatic C, 5 memb. ring HIS
CD   1.2010        0.360               sp2 C atom in the middle of: C=CD-CD=C

-N2-CA-NC         1.1          180.          2.           dac guess, 9/94
CA-CA-C -OS         1.1          180.          2.           phosphotyrosine
CR-CC-NA-P          1.1          180.          2.           phosphohistine
X -O2-CO-O2        10.5          180.          2.
2C-O -C -OH        10.5          180.          2.
CA-CA-CA-2C         1.1          180.          2.

  HW  OW  0000.     0000.                                4.  flag for fast water

N   NA  N2  N*  NC  NB  NT  NY
C*  CA  CB  CC  CD  CK  CM  CN  CQ  CR  CV  CW  CY  CZ  CP  CS


  Cl-         2.513   0.0355910          Joung & Cheatham JPC B 2008,112,9020-9041
  Br-         2.608   0.0586554          Joung & Cheatham JPC B 2008,112,9020-9041
  I-          2.860   0.0536816          Joung & Cheatham JPC B 2008,112,9020-9041
 
END

yhgon avatar Feb 04 '22 07:02 yhgon