Hello,
I have tried water droplet with pol3 model but failed because of
velocity problems. The leaprc and input files are listed below.
leaprc:
logFile leap.log
#
# ----- leaprc for loading the parm99 additive force field, no lone pairs
# assumes that any unspecified nucleic acids are DNA
#
# load atom type hybridizations
#
addAtomTypes {
{ "H" "H" "sp3" }
{ "HO" "H" "sp3" }
{ "HS" "H" "sp3" }
{ "H1" "H" "sp3" }
{ "H2" "H" "sp3" }
{ "H3" "H" "sp3" }
{ "H4" "H" "sp3" }
{ "H5" "H" "sp3" }
{ "HW" "H" "sp3" }
{ "HC" "H" "sp3" }
{ "HA" "H" "sp3" }
{ "HP" "H" "sp3" }
{ "OH" "O" "sp3" }
{ "OS" "O" "sp3" }
{ "O" "O" "sp2" }
{ "O2" "O" "sp2" }
{ "OW" "O" "sp3" }
{ "CT" "C" "sp3" }
{ "CH" "C" "sp3" }
{ "C2" "C" "sp3" }
{ "C3" "C" "sp3" }
{ "C" "C" "sp2" }
{ "C*" "C" "sp2" }
{ "CA" "C" "sp2" }
{ "CB" "C" "sp2" }
{ "CC" "C" "sp2" }
{ "CN" "C" "sp2" }
{ "CM" "C" "sp2" }
{ "CK" "C" "sp2" }
{ "CQ" "C" "sp2" }
{ "CD" "C" "sp2" }
{ "CE" "C" "sp2" }
{ "CF" "C" "sp2" }
{ "CG" "C" "sp2" }
{ "CP" "C" "sp2" }
{ "CI" "C" "sp2" }
{ "CJ" "C" "sp2" }
{ "CW" "C" "sp2" }
{ "CV" "C" "sp2" }
{ "CR" "C" "sp2" }
{ "CA" "C" "sp2" }
{ "CY" "C" "sp2" }
{ "C0" "C" "sp2" }
{ "MG" "Mg" "sp3" }
{ "N" "N" "sp2" }
{ "NA" "N" "sp2" }
{ "N2" "N" "sp2" }
{ "N*" "N" "sp2" }
{ "NP" "N" "sp2" }
{ "NQ" "N" "sp2" }
{ "NB" "N" "sp2" }
{ "NC" "N" "sp2" }
{ "NT" "N" "sp3" }
{ "N3" "N" "sp3" }
{ "S" "S" "sp3" }
{ "SH" "S" "sp3" }
{ "P" "P" "sp3" }
{ "LP" "" "sp3" }
{ "F" "F" "sp3" }
{ "CL" "Cl" "sp3" }
{ "BR" "Br" "sp3" }
{ "I" "I" "sp3" }
{ "FE" "Fe" "sp3" }
{ "EP" "" "sp3" }
# glycam
{ "OG" "O" "sp3" }
{ "OL" "O" "sp3" }
{ "AC" "C" "sp3" }
{ "EC" "C" "sp3" }
}
#
# Load the main parameter set.
#
parm99 = loadamberparams parm99.dat
mod_phipsi1 = loadamberparams frcmod.mod_phipsi.1
#
# Load DNA/RNA libraries
#
loadOff all_nucleic94.lib
#
# Load main chain and terminating
# amino acid libraries.
#
loadOff all_amino94.lib
loadOff all_aminoct94.lib
loadOff all_aminont94.lib
loadOff ions94.lib
loadOff solvents.lib
HOH = PL3
WAT = PL3
#
# Define the PDB name map for the amino acids and DNA.
#
addPdbResMap {
{ 0 "ALA" "NALA" } { 1 "ALA" "CALA" }
{ 0 "ARG" "NARG" } { 1 "ARG" "CARG" }
{ 0 "ASN" "NASN" } { 1 "ASN" "CASN" }
{ 0 "ASP" "NASP" } { 1 "ASP" "CASP" }
{ 0 "CYS" "NCYS" } { 1 "CYS" "CCYS" }
{ 0 "CYX" "NCYX" } { 1 "CYX" "CCYX" }
{ 0 "GLN" "NGLN" } { 1 "GLN" "CGLN" }
{ 0 "GLU" "NGLU" } { 1 "GLU" "CGLU" }
{ 0 "GLY" "NGLY" } { 1 "GLY" "CGLY" }
{ 0 "HID" "NHID" } { 1 "HID" "CHID" }
{ 0 "HIE" "NHIE" } { 1 "HIE" "CHIE" }
{ 0 "HIP" "NHIP" } { 1 "HIP" "CHIP" }
{ 0 "ILE" "NILE" } { 1 "ILE" "CILE" }
{ 0 "LEU" "NLEU" } { 1 "LEU" "CLEU" }
{ 0 "LYS" "NLYS" } { 1 "LYS" "CLYS" }
{ 0 "MET" "NMET" } { 1 "MET" "CMET" }
{ 0 "PHE" "NPHE" } { 1 "PHE" "CPHE" }
{ 0 "PRO" "NPRO" } { 1 "PRO" "CPRO" }
{ 0 "SER" "NSER" } { 1 "SER" "CSER" }
{ 0 "THR" "NTHR" } { 1 "THR" "CTHR" }
{ 0 "TRP" "NTRP" } { 1 "TRP" "CTRP" }
{ 0 "TYR" "NTYR" } { 1 "TYR" "CTYR" }
{ 0 "VAL" "NVAL" } { 1 "VAL" "CVAL" }
{ 0 "HIS" "NHIS" } { 1 "HIS" "CHIS" }
{ 0 "GUA" "DG5" } { 1 "GUA" "DG3" } { "GUA" "DG" }
{ 0 "ADE" "DA5" } { 1 "ADE" "DA3" } { "ADE" "DA" }
{ 0 "CYT" "DC5" } { 1 "CYT" "DC3" } { "CYT" "DC" }
{ 0 "THY" "DT5" } { 1 "THY" "DT3" } { "THY" "DT" }
{ 0 "G" "DG5" } { 1 "G" "DG3" } { "G" "DG" } { "GN" "DGN" }
{ 0 "A" "DA5" } { 1 "A" "DA3" } { "A" "DA" } { "AN" "DAN" }
{ 0 "C" "DC5" } { 1 "C" "DC3" } { "C" "DC" } { "CN" "DCN" }
{ 0 "T" "DT5" } { 1 "T" "DT3" } { "T" "DT" } { "TN" "DTN" }
{ 0 "C5" "DC5" }
{ 0 "G5" "DG5" }
{ 0 "A5" "DA5" }
{ 0 "T5" "DT5" }
{ 1 "C3" "DC3" }
{ 1 "G3" "DG3" }
{ 1 "A3" "DA3" }
{ 1 "T3" "DT3" }
}
addPdbAtomMap {
{ "O5*" "O5'" }
{ "C5*" "C5'" }
{ "C4*" "C4'" }
{ "O4*" "O4'" }
{ "C3*" "C3'" }
{ "O3*" "O3'" }
{ "C2*" "C2'" }
{ "C1*" "C1'" }
{ "C5M" "C7" }
{ "H1*" "H1'" }
{ "H2*1" "H2'1" }
{ "H2*2" "H2'2" }
{ "H3*" "H3'" }
{ "H4*" "H4'" }
{ "H5*1" "H5'1" }
{ "H5*2" "H5'2" }
# old ff atom names -> new
{ "O1'" "O4'" }
{ "OA" "O1P" }
{ "OB" "O2P" }
}
#
# assumed that most often proteins use HIE
#
NHIS = NHIE
HIS = HIE
CHIS = CHIE
loadamberparams frcmod.pol3
test = loadpdb "WatDroplet_geom.pdb"
charge test
#addions test Na+ 0
saveamberparmpol test WatDropletPL3.prmtop WatDropletPL3.inpcrd
savepdb test WatDropletPL3.pdb
quit
============================================================
heat.in:
10ps MD for heating
&cntrl
imin = 0, ntb = 0,
igb = 0, ntpr = 100, ntwx = 100,
ntt = 3, gamma_ln = 1.0,
tempi = 0.0, temp0 = 300.0
nstlim = 100000, dt = 0.001,
cut = 12.0,
ioutfm = 1,
ipol = 1,
/
============================================================
md1ns.in:
1-ns MD
&cntrl
imin = 0, irest = 0, ntx = 1,
ntb = 0, igb = 0,
ntt = 3, gamma_ln = 1.0,
tempi = 300.0, temp0 = 300.0,
nstlim = 1000000, dt = 0.001,
ntpr = 250, ntwx = 250, ntwr = 10000,
cut = 10.0,
ioutfm = 1,
ipol = 1,
/
============================================================
job file:
export filename='WatDropletPL3_146'
mpirun -np 2 ./sander.MPI -O -i heat.in -p $filename\.prmtop -c
$filename\.inpcrd -o $filename\_heat.out -r $filename\_heat.rst7 -x
$filename\_heat.nc -rdip
$filename\_heat.diprst
mpirun -np 2 ./sander.MPI -O -i md1ns.in -p $filename\.prmtop -c
$filename\_heat.rst7 -o $filename\_md0.out -r $filename\_md0.rst7 -x
$filename\_md0.nc -idip
$filename\_md0.diprst -rdip $filename\_md0.diprst
============================================================
Any suggestion?
Thanks,
Yubo Fan
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Received on Wed Feb 02 2011 - 13:00:04 PST
