pepdata {Peptides}

Physicochemical properties and indices from 100 amino acid sequences

Description

Physicochemical properties and indices from 100 amino acid sequences (50 antimicrobial and 50 non antimicrobial)

Usage

data(pepdata)

Format

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