[AMBER] solute in TIP4P box

From: Aiko Matsumoto <aikomatsumoto1979.googlemail.com>
Date: Fri, 26 Nov 2010 11:26:28 +0000

Dear mailing list,

I have many pdb of the simulation of solute in tip4p waterbox and need
to convert into into prmtop/inpcrd for ptraj to look at watershell.
I wrote script converts atom names of my pdb into amber readable and then writes
leap.in file to create required files and then submits as to tleap

leap-file does:

source leaprc.ff99SB
source leaprc.gaff
loadamberparams frcmod.tip4p
WAT = TP4
loadamberparams /home/matsumoto/aniline.frcmod
loadamberprep /home/matsumoto/aniline.prepi
x = loadpdb ./iteration_0001/0.300000/output_001_0001.pdbptr
saveamberparm x ./iteration_0001/0.300000/output_001_0001.pdbptr.top
./iteration_0001/0.300000/output_001_0001.pdbptr.crd
quit

i get all required files but am concerned about warning:

not concerned of warning atom epw connected to o (as tip4p)

but why is leap log saying :

This is the additional/replacement parameter set for TIP4P
(UNKNOWN ATOM TYPE: EP)

My atoms name H1, H2, O and EPW and resname WAT or TP4, but resname
WAT/TP4 does not change behaviour.

This error common or concern?

Thank you

Aiko




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Received on Fri Nov 26 2010 - 03:30:04 PST
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