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DeCipher


Contents

Release 2005, March 2005


1. Introduction

DeCipher...
Role of analysis software in molecular modeling
Software overview
Substructure selection
Data collection
Property definition and evaluation
Structure analysis
Energetics analysis
Dynamics analysis
Property presentation
Molecular structure and property spreadsheet
Dynamic molecular information system
User interface and user-software interaction

2. Theory

Molecular properties
Nomenclature
Basic molecular properties
Basic property types - scalar, vector, tensor, and reference axes:
Atoms and atom sets
Pseudoatoms (centroids)
Internals
Nonbonds
Geometric variables
Point
Vector
Plane
Geometric functions
Position
Distance
Angle
Dihedral
Structural functions
Moment of inertia
Radius of gyration
Displacement
Isotropic and anisotropic mean square displacement (MSD)
B-factor
Root mean square displacement (RMSD)
Kinetic functions
Linear momentum
Center of mass velocity
Angular momentum
Angular velocity
Kinetic energy
Total kinetic energy
Translational kinetic energy
Rotational kinetic energy
Vibrational kinetic energy
Electrostatic functions: multipole moments
Monopole
Dipole
Multipolar interaction energy
Multipolar interaction forces
Multipole calculations of DeCipher
Potential functions
Potential energy and forces
Consistent valence forcefield (CVFF)
AMBER forcefield
The CFF forcefield (Class II forcefield)
Energy and derivative expressions
CFF91/CFF
CVFF
AMBER
Force calculations
Bond
Angle
Torsion
Wilson out of plane
Restraint function
Function optimization
High-level molecular properties
Distribution functions
Radial distribution functions (RadialDistFunc)
Pair distribution functions
Spherical and cylindrical distribution functions
Coordination numbers
Coordination number distribution function (CN_Distrib)
Orientational radial distribution function (Orient_RDF)
Spherical harmonic expansion
Orientational pair distribution functions
Spherical orientational distribution function
Cylindrical orientational distribution function
Angular distribution dunction (AngleDistFunc)
Mean square displacement (MeanSqDisp) and diffusion coefficient
Time correlation functions (TimeCorrFunc)
Direct approach
Normalized discrete time correlation functions
Legendre polynomials Pl cosq
Spectral density
Diffusion coefficient
Residency time (ResidencyTime)

3. Languages

Introduction
Molecular subsets
Topological subsets
Geometric subsets
Three dimensional atom attributes
Three dimensional neighborhood
Functions and mathematical expressions in DeCipher
Molecular properties representations
Native functions
Spectra
Numerical functions
System functions
Geometrics
Implicit functions
Mathematical expressions (the "Function Spec")
Built-in operators
Precedence rules
Array, vector, Ref_Axes, and tensor subscripts
Built-in scalar functions
Built-in constant
Built-in vector functions
Built-in tensor functions
Specific built-in array functions:
Examples (for Function Spec)

4. Command Summary

Configurations
Configurations/Get
Configurations/Put
Configurations/Record
Configurations/Filter
Configurations/Align
Configurations/Color
Configurations/Animate
Configurations/Select
Configurations/Tabulate
Configurations/Delete
Functions
Functions/Construct_Graph
Functions/Construct_Table
Functions/Angles
Functions/Dihedrals
Functions/Dipole
Functions/Distances
Functions/Moment_of_Inertia
Functions/Positions
Functions/Radius_of_Gyration
Functions/Numeric
Functions/B_Factor
Functions/Displacement
Functions/RMSD
Functions/Momentum
Functions/Velocity
Functions/Temperature
Functions/Kinetic_Energy
Functions/Multipolar_Energy
Functions/Potential_Energy
Functions/Restraint_Energy
Functions/Non_Bond_Setup
Functions/Optimize
Functions/Get
Functions/Put
Functions/Rename
Functions/Delete
Functions/Info
Spectra
Spectra/RadialDistFunc
Spectra/OrientRDF
Spectra/AngleDistFunc
Spectra/CN_Distrib
Spectra/MeanSqDisp
Spectra/TimeCorrFunc
Spectra/ResidencyTime
Geometrics
Geometrics/Point
Geometrics/Vector
Geometrics/Plane
Geometrics/Style
Geometrics/Color
Geometrics/Info
SubStructure
SubStructure/Get
SubStructure/Put
SubStructure/Internals
SubStructure/NonBonds
SubStructure/Rename
Substructure/Delete
Substructure/Info
SubStructure/Plot
Cluster
Cluster/Construct_Graph
Cluster/Repartition
Cluster/Family

5. Online Tutorials

Pilot online tutorials

A. References

B. Glossary

C. File Formats

Multiple-file trajectory definition file

D. Units

Electrostatic conversion factor
Frequency conversion

E. Atom_Template Expressions

Bond order characters
Examples of Atom_Templates


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Last updated November 22, 2003 at 02:13PM Pacific Standard Time.
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