Physicochemical properties and indices from 100 amino acid sequences (50 antimicrobial and 50 non antimicrobial)
data(pepdata)
A data frame with 100 observations on the following 23 variables.
sequence
a character vector with the sequences of 100 peptides (50 antimicrobial and 50 non-antimicrobial)
group
Integrer vector with the group code "0"
for non antimicrobial and "1"
for antimicrobial
length
a numeric vector with the length of the amino acid sequence
mw
a numeric vector with the molecular weight of the amino acid sequence
tinyAA
A numeric vector with the fraction (as percent) of tiny amino acids that make up the sequence
smallAA
A numeric vector with the fraction (as percent) of small amino acids that make up the sequence
aliphaticAA
A numeric vector with the fraction (as percent) of aliphatic amino acids that make up the sequence
aromaticAA
A numeric vector with the fraction (as percent) of aromatic amino acids that make up the sequence
nonpolarAA
A numeric vector with the fraction (as percent) of non-polar amino acids that make up the sequence
polarAA
A numeric vector with the fraction (as percent) of polar amino acids that make up the sequence
chargedAA
A numeric vector with the fraction (as percent) of charged amino acids that make up the sequence
basicAA
A numeric vector with the fraction (as percent) of basic amino acids that make up the sequence
acidicAA
A numeric vector with the fraction (as percent) of acid amino acids that make up the sequence
charge
a numeric vector with the charge of the amino acid sequence
pI
a numeric vector with the isoelectric point of the amino acid sequence
aindex
a numeric vector with the aliphatic index of the amino acid sequence
instaindex
a numeric vector with the instability index of the amino acid sequence
boman
a numeric vector with the potential peptide-interaction index of the amino acid sequence
hydrophobicity
a numeric vector with the hydrophobicity index of the amino acid sequence
hmoment
a numeric vector with the hydrophobic moment of the amino acid sequence
transmembrane
A numeric vector with the fraction of Transmembrane windows of 11 amino acids that make up the sequence
surface
A numeric vector with the fraction of Surface windows of 11 amino acids that make up the sequence
globular
A numeric vector with the fraction of Globular windows of 11 amino acids that make up the sequence