getPXDfile: Download data from PRIDE

Description Usage Arguments Details Value Author(s) References Examples

View source: R/getPXDfile.R

Description

Auxiliary function which downloads selected data, like protein group intensities, from PRIDE [1].

Usage

1
getPXDfile(pxd_id, source.path = NULL, file.pattern = "proteingroups")

Arguments

pxd_id

the PRIDE identifier.

source.path

pathname where to store and search for the data file, e.g. "proteinGroups.txt"-file; default = NULL uses current working directory.

file.pattern

character specifying the kind of dataset for download, e.g. "proteinGroups" or "peptides".

Details

This function requires the R packages rpx [2] and BiocFileChace. As a temporary fix old versions of the rpx package's pxurl and pxfiles function were included

Value

status (0=ok, 1=not MaxQuant data set, 2=no proteinGroup file)

Author(s)

Ariane Schad

References

[1] Vizca<c3><ad>no JA, Csordas A, del-Toro N, Dianes JA, Griss J, Lavidas I, Mayer G, Perez-Riverol Y, Reisinger F, Ternent T, Xu QW, Wang R, Hermjakob H. 2016 update of the PRIDE database and related tools. Nucleic Acids Res. 2016 Jan 1;44(D1): D447-D456. PubMed PMID:26527722.
[2] See "rpx" by Laurent Gatto (2017). rpx: R Interface to the ProteomeXchange Repository. Package version 1.10.2, https://github.com/lgatto/rpx.

Examples

1
2
## Download protein LFQ intensities of PXD001584 from PRIDE
getPXDfile(pxd_id = "PXD001584")

MBQN documentation built on Nov. 8, 2020, 8:13 p.m.