R: Physicochemical properties and indices from 100 amino acid...

pepdata {Peptides} | R Documentation

## 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

[Package Peptides version 2.4.4 Index]