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This is the development version of MsBackendMsp; for the stable release version, see MsBackendMsp.

Mass Spectrometry Data Backend for NIST msp Files

Bioconductor version: Development (3.20)

Mass spectrometry (MS) data backend supporting import and handling of MS/MS spectra from NIST MSP Format (msp) files. Import of data from files with different MSP *flavours* is supported. Objects from this package add support for MSP files to Bioconductor's Spectra package. This package is thus not supposed to be used without the Spectra package that provides a complete infrastructure for MS data handling.

Author: Neumann Steffen [aut] , Johannes Rainer [aut, cre] , Michael Witting [ctb]

Maintainer: Johannes Rainer <Johannes.Rainer at>

Citation (from within R, enter citation("MsBackendMsp")):


To install this package, start R (version "4.4") and enter:

if (!require("BiocManager", quietly = TRUE))

# The following initializes usage of Bioc devel


For older versions of R, please refer to the appropriate Bioconductor release.


To view documentation for the version of this package installed in your system, start R and enter:

MsBackendMsp HTML R Script
Reference Manual PDF


biocViews DataImport, Infrastructure, MassSpectrometry, Metabolomics, Proteomics, Software
Version 1.9.0
In Bioconductor since BioC 3.15 (R-4.2) (2 years)
License Artistic-2.0
Depends R (>= 4.1.0), Spectra(>= 1.5.14)
Imports ProtGenerics(>= 1.35.3), BiocParallel, S4Vectors, IRanges, MsCoreUtils, methods, stats
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Suggests testthat, knitr (>= 1.1.0), roxygen2, BiocStyle(>= 2.5.19), rmarkdown
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Follow Installation instructions to use this package in your R session.

Source Package MsBackendMsp_1.9.0.tar.gz
Windows Binary (64-bit only)
macOS Binary (x86_64) MsBackendMsp_1.9.0.tgz
macOS Binary (arm64) MsBackendMsp_1.9.0.tgz
Source Repository git clone
Source Repository (Developer Access) git clone
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