Dear Amber users,
I was trying to use the polarizable water model, POL3, which according to
the manual should be included in the $AMBERHOME/dat/leap/cmd as
leaprc.water.pol3 and used in tleap script as source leaprc.water.pol3.
Unfortunately, it is not present in that directory. I'm using Amber18.
I've found it in $AMBERHOME/dat/leap/parm as frcmod.pol3 and used it in my
script, but it is still not working.
source leaprc.protein.ff14SB
loadamberparams frcmod.pol3
HOH = PL3
prot = loadpdb protein.pdb
solvateoct prot POL3BOX 10
I tried to use the above script, but I got error:
/usr/local/src/amber18/bin/teLeap: Fatal Error!
solvateOct: Argument #2 is type String must be of type: [unit]
usage: solvateOct <solute> <solvent> <buffer> [aniso] [closeness]
Exiting LEaP: Errors = 1; Warnings = 0; Notes = 0.
What should I do to use the POL3 water model? Which frcmod file for ions
should I use with the POL3 water model?
And can I use it with the leaprc.protein.ff14SB force field?
Thanks for your help!
Best regards,
Karolina Mitusińska
PhD student
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Received on Wed Jan 15 2020 - 06:00:03 PST
