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OrgMassSpecR (version 0.5-4)

Organic Mass Spectrometry

Description

Organic/biological mass spectrometry data analysis.

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Version

Install

install.packages('OrgMassSpecR')

Monthly Downloads

500

Version

0.5-4

License

BSD_2_clause + file LICENSE

Maintainer

Nathan Dodder

Last Published

January 27th, 2026

Functions in OrgMassSpecR (0.5-4)

PeptideSpectrum

Plot Annotated Peptide Fragmentation Mass Spectrum
ListFormula

Convert an Elemental Formula to a List
ReadMspFile

Read in a MSP Formatted Mass Spectrum
WriteMspFile

Write Spectra to the NIST MSP Text Format
example.chromatogram.single

Example Chromatograms
example.sequence

Human Serum Albumin Amino Acid Sequence
example.spectrum.labeled

Example MALDI-TOF Spectrum of Nitrogen-15 Labeled Peptide
example.spectrum.unknown

Example EI Fragmentation Spectra
example.spectrum.peptide

Example Peptide Fragmentation Spectrum
FlowTime

Solvent transit time.
ConvertConcentration

Convert Concentration Basis
FragmentPeptide

Predict Peptide Fragment Ions
Digest

Predict Peptides Resulting from Enzymatic Digest
IsotopicDistributionHDX

Isotopic Distribution of a Peptide Undergoing H-D Exchange
SpectrumSimilarity

Similarity Between Two Mass Spectra
DeadVolume

Internal volume of tubing.
ConvertPeptide

Convert peptide sequence.
DrawChromatogram

Plot a Chromatogram
ReadMspDirectory

Read in MSP Formatted Mass Spectra
RetentionIndex

Non-Isothermal Retention Index Calculation
IsotopicDistributionN

Isotopic Distribution of a Nitrogen-15 Labeled Peptide.
IsotopicDistribution

Isotopic Distribution of an Organic Molecule.
ExchangeableAmides

Determine the Number of Backbone Amide Hydrogens
MolecularWeight

Calculate the molecular weight of an organic molecule.
MonoisotopicMass

Calculate the monoisotopic mass or monoisotopic m/z value of an organic molecule.
OrgMassSpecR-package

Organic Mass Spectrometry