rpx (version 1.8.2)

PXDataset-class: Class "PXDataset"

Description

An S4 class to store and access information about ProteomeXchange (PX) data sets. Schema versions 1.0, 1.1 and 1.2 are supported and are documented on the PX code repository: https://code.google.com/p/proteomexchange/source/browse/schema/

Objects from the Class

Objects can be created with the constructor PXDataset.

References

Vizcaino J.A. et al. 'ProteomeXchange: globally co-ordinated proteomics data submission and dissemination', Nature Biotechnology 2014, 32, 223 -- 226, doi:10.1038/nbt.2839.

Source repository for the ProteomeXchange project: https://code.google.com/p/proteomexchange/

Examples

px <- PXDataset("PXD000001")
px
pxtax(px)
pxurl(px)
pxref(px)
pxfiles(px)
fnm <- pxget(px, "PXD000001_mztab.txt")
library("MSnbase")
readMzTabData(fnm, "PEP")
unlink("PXD000001_mztab.txt")