Peptides2.4.6 package

Calculate Indices and Theoretical Physicochemical Properties of Protein Sequences

aaComp

Compute the amino acid composition of a protein sequence

aaDescriptors

Compute 66 descriptors for each amino acid of a protein sequence.

aaList

Return a vector with the 20 standard amino acids in upper case

aaSMILES

Create Smiles String from aminoacid sequences

aIndex

Compute the aliphatic index of a protein sequence

autoCorrelation

Compute the auto-correlation index of a protein sequence

autoCovariance

Compute the auto-covariance index of a protein sequence

blosumIndices

Compute the BLOSUM62 derived indices of a protein sequence

boman

Compute the Boman (Potential Protein Interaction) index

charge

Compute the theoretical net charge of a protein sequence

crossCovariance

Compute the cross-covariance index of a protein sequence

crucianiProperties

Compute the Cruciani properties of a protein sequence

fasgaiVectors

Compute the FASGAI vectors of a protein sequence

hmoment

Compute the hydrophobic moment of a protein sequence

hydrophobicity

Compute the hydrophobicity index of a protein sequence

instaIndex

Compute the instability index of a protein sequence

kideraFactors

Compute the Kidera factors of a protein sequence

lengthpep

Compute the amino acid length of a protein sequence

massShift

Calculate the mass difference of modified peptides.

membpos

Compute theoretically the class of a protein sequence

mswhimScores

Compute the MS-WHIM scores of a protein sequence

mw

Compute the molecular weight of a protein sequence

mz

Calculate the m/z for peptides.

pI

Compute the isoelectic point (pI) of a protein sequence

plotXVG

Plot time series from GROMACS XVG files

protFP

Compute the protFP descriptors of a protein sequence

readXVG

Read output data from a XVG format file.

stScales

Compute the ST-scales of a protein sequence

tScales

Compute the T-scales of a protein sequence

vhseScales

Compute the VHSE-scales of a protein sequence

zScales

Compute the Z-scales of a protein sequence

Includes functions to calculate several physicochemical properties and indices for amino-acid sequences as well as to read and plot 'XVG' output files from the 'GROMACS' molecular dynamics package.