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realspace.ManyBody(1)

Synopsis

realspace.ManyBody [-EhOTVz] [--bT] [--dee] [--oT] [--tR] [-a=0] [--bB=0.0] [--bC=1] [--bL=20.0] [--ch=<A>] [--clashThreshold=25.0] [--eR=none] [--fB=<finalBox>] [--fR=<final>] [--iB=<initialBox>] [--iC=<inclusionCutoff>] [--increment=3] [--iR=<interestedResidue>] [--kPH=0.0] [-L=2] [--lR=<list>] [--mC=-1] [--nB=3,3,3] [--pairClashThreshold=25.0] [--pH=0] [--pr=1] [--radius=2.0] [--sR=<start>] [--tC=3.0] [--thC=3. _ 0_] [--wA=1.0] [--window=7] [-X=<data> <data>]…​ files…​

Description

Discrete optimization using a many-body expansion and elimination expressions.

Options

-h, --help
Print command help and exit.
-V, --version
Print the Force Field X version and exit.
--wA, --dataWeight=1.0
The weight of the experimental data (wA).
-X, --data=<data> <data>
Specify input data filename and its weight (wA) (e.g. -X filename 1.0).

Many-Body Optimization Options

-a, --algorithm=0
Algorithm: default automatic settings (0), independent residues (1), all with rotamer elimination (2), all brute force (3), sliding window (4), or box optimization (5)
--dee, --deadEnd
Use dead-end elimination criteria instead of Goldstein criteria.
-E, --decompose
Print energy decomposition for the input structure (no optimization!).
--eR, --energyRestart=none
Load energy restart file from a previous run (requires that all parameters are the same).
-L, --library=2
Ponder and Richards (1) or Richardson (2) rotamer library.
--mC, --monteCarlo=-1
Follow elimination criteria with (n) Monte Carlo steps, or enumerate all remaining conformations, whichever is smaller.
-O, --noOriginal
Do not include starting coordinates as their own rotamer.
--pH, --titrationPH=0
Optimize the titration state of ASP, GLU, HIS and LYS residues at the given pH (pH = 0 turns off titration
--tR, --titration
Turn on titration state optimization
-z, --revert
Revert unfavorable changes.

Many-Body Box Optimization Options

--bB, --boxBorderSize=0.0
Extent of overlap between optimization boxes in Angstroms.
--bC, --boxInclusionCriterion=1
Criterion to use for adding a residue to a box: (1) uses C alpha only (N1/9 for nucleic acids), (2) uses any atom, and (3) uses any rotamer
--bL, --approxBoxLength=20.0
Approximate side lengths of boxes to be constructed (over-rides numXYZBoxes).
--bT, --boxTitration
Center boxes around titratable residues.
--fB, --finalBox=<finalBox>
Final box to optimize.
--iB, --initialBox=<initialBox>
Initial box to optimize.
--nB, --numBoxes=3,3,3
Specify number of boxes along X, Y, and Z (default: 3,3,3)

Many-Body Window Optimization Options

--increment=3
Sliding window increment.
--window=7
Size of the sliding window with respect to adjacent residues.

Many-Body Energy Expansion and Cut-off Options

--clashThreshold=25.0
The threshold for pruning clashes.
--kPH, --pHRestraint=0.0
Only allow titration state to change fromstandard state is self energy exceeds the restraint.
--pairClashThreshold=25.0
The threshold for pruning pair clashes.
--pr, --prune=1
Prune no clashes (0), only single clashes (1), or all clashes (2)
--radius=2.0
The sliding box and window cutoff radius (Angstroms).
-T, --threeBody
Include 3-Body interactions in the elimination criteria.
--tC, --twoBodyCutoff=3.0
Cutoff distance for two body interactions.
--thC, --threeBodyCutoff=3.0
Cutoff distance for three-body interactions.

Many-Body Residue Selection Options

--ch, --chain=<A>
Include only specified chain ID (default: all chains).
--fR, --final=<final>
Final residue to optimize (default: all residues).
--iC, --inclusionCutoff=<inclusionCutoff>
Distance which rotamers will be included when using only protons, titratable residues, or interested residue.
--iR, --interestedResidue=<interestedResidue>
Optimize rotamers within some distance of a specific residue.
--lR, --listResidues=<list>
Select a list of residues to optimize (eg. A11,A24,B40).
--oT, --onlyTitration
Rotamer optimize only titratable residues.
--sR, --start=<start>
Starting residue to optimize (default: all residues).

Arguments

files…​
PDB and Real Space input files.