LipidMS3.0.5 package

Lipid Annotation for LC-MS/MS DDA or DIA Data

cbs

Total number of carbons and double bounds

coelutingFrags

Coeluting fragments extraction

coelutionScore

calculate coelution score between two peaks

combineChains

Combine chain fragments that could belong to the same precursor.

frags

Search for fragments of interest withing a list of coeluting fragments

getallpeaks

Extract peaks from all msobjects in a msbatch.

getfeaturestable

Write features table based on groups

getFormula

Get formula and neutral mass for annotated compounds

getInclusionList

Obtain an inclusion list from the annotation results

mzMatch

mz match withing a vector of mz values

MassCer

Calculate formula and mass of ceramides

MassCerP

Calculate formula and mass of ceramides phosphate

MassCL

Calculate formula and mass of CL

MassDG

Calculate formula and mass of DG

MassFA

Calculate formula and mass of fatty acids

MassFAHFA

Calculate formula and mass of FAHFA

MassGlcCer

Calculate formula and mass of glucoceramides

MassHFA

Calculate formula and mass of hydroxi fatty acids

MassLysoPA

Calculate formula and mass of LPA

MassLysoPAo

Calculate formula and mass of LPAo

MassLysoPC

Calculate formula and mass of LysoPC

MassLysoPCo

Calculate formula and mass of LysoPCo

MassLysoPCp

Calculate formula and mass of LysoPCp

MassLysoPE

Calculate formula and mass of LPE

MassLysoPEo

Calculate formula and mass of LPEo

MassLysoPEp

Calculate formula and mass of LPEp

MassLysoPG

Calculate formula and mass of LPG

MassLysoPI

Calculate formula and mass of LPI

MassLysoPS

Calculate formula and mass of LysoPS

MassMG

Calculate formula and mass of MG

MassPA

Calculate formula and mass of PA

MassPC

Calculate formula and mass of PC

MassPCo

Calculate formula and mass of PCo

MassPCp

Calculate formula and mass of PCp

MassPE

Calculate formula and mass of PE

MassPEo

Calculate formula and mass of plasmanyl PE

MassPEp

Calculate formula and mass of plasmenyl PE

MassPG

Calculate formula and mass of PG

MassPI

Calculate formula and mass of PI

MassPIP

Calculate formula and mass of PIP

MassPIP2

Calculate formula and mass of PIP2

MassPIP3

Calculate formula and mass of PIP3

MassPS

Calculate formula and mass of PS

MassSM

Calculate formula and mass of sphingomyelines

MassSph

Calculate formula and mass of sphingoid bases

MassSphP

Calculate formula and mass of sphingoid phosphate bases

MassTG

Calculate formula and mass of TG

clustering

EIC extraction based on previous partitions generated by partitioning

dbTwoChains

Creation of a database for FAHFA, DG and PL.

idSMpos

Sphyngomyelines (SM) annotation for ESI+

idSphneg

Sphingoid bases (Sph) annotation for ESI-

idSphPneg

Sphingoid bases phosphate (SphP) annotation for ESI-

idSphpos

Sphingoid bases (Sph) annotation for ESI-

idSphPpos

Sphingoid bases phosphate (SphP) annotation for ESI+

idTGpos

Triacylglycerols (TG) annotation for ESI+

indexrtpart

Index partitions or clusters assigned during alignment.

clustdist

Calculate max distance between clusters.

joinAnnotationResults

Summarize annotation results from an msbatch into the features table

joinfrags

Join fragments information when several peaks of the same fragment are...

LipidMSapp

LipidMS shiny app

alignmsbatch

Align samples from an msbatch

annotateIsotopes

Annotate isotopes

annotatemsbatch

Lipid annotation for an msbatch

assignDB

Load LipidMS default data bases

batchdataProcessing

Process several mzXML files (peakpicking and isotope annotation) and c...

MassAcylCer

Calculate formula and mass of acylceramides

chainFrags

Search of chain specific fragments

chains

extract chains composition from a lipid name

checkClass

Search of class fragments to confirm the lipid class.

checkIntensityRules

Check intensity rules

checkIntRules

Check intensity rules

clust

Clustering for MS peaks based on mz or RT.

createLipidDB

Customizable lipid DBs creator

crossAdducts

Cross different candidates tables to remove false positives.

crossTables

Cross the original MS1 peaklist with the annotation results

dataProcessing

Process mzXML files individually: peakpicking and isotope annotation

dbFourChains

Creation of a database for C.

dbOneChain

Creation of a database for Carnitines, CE, FA, HFA, LPL, MG, sphingoid...

dbSphingolipids

Creation of a database for Cer, CerP, GlcCer and SM

dbThreeChains

Creation of a database for TG.

ddaFrags

MS/MS scan extraction of a precursor in DDA

diffcb

Difference between two carbon:bounds structures

fillpeaksmsbatch

Fill peaks from a grouped msbatch

filtermsms

Presence or absence of an mz value within a vector of mz values

filtrateAdducts

Remove low adduct supported candidates to avoid false positives.

findCandidates

Search of lipid candidates of a certain class

findMS2precursor

find lisnks between MS1 peaks and precursors selected for MS2 in DDA

findPrecursor

Find candidate precursor from fullMS function

groupmsbatch

Group features from an msbatch

idAcylCerneg

Acylceramides (AcylCer) annotation for ESI-

idAcylCerpos

Acylceramides (AcylCer) annotation for ESI+

idBAneg

Bile Acids (BA) annotation for ESI-

idCarpos

Acylcarnitine annotation for ESI+

idCEpos

Cholesteryl Esters (CE) annotation for ESI+

idCerneg

Ceramides (Cer) annotation for ESI-

idCerPneg

Ceramides phosphate (CerP) annotation for ESI-

idCerpos

Ceramides (Cer) annotation for ESI+

idCerPpos

Ceramides phosphate (CerP) annotation for ESI+

idCLneg

Cardiolipines (CL) annotation for ESI-

idDGpos

Diacylglycerols (DG) annotation for ESI+

idFAHFAneg

FAHFA annotation for ESI-

idFAneg

Fatty Acids (FA) annotation for ESI-

idLPCneg

Lysophosphocholines (LPC) annotation for ESI-

idLPCpos

Lysophosphocholines (LPC) annotation for ESI+

idLPEneg

Lysophosphoethanolamines (LPE) annotation for ESI-

idLPEpos

Lysophosphoethanolamines (LPE) annotation for ESI+

idLPGneg

Lysophosphoglycerols (LPG) annotation for ESI-

idLPIneg

Lysophosphoinositols (LPI) annotation for ESI-

idLPSneg

Lysophosphoserines (LPS) annotation for ESI-

idMGpos

Monoacylglycerol (MG) annotation for ESI+

MassCarnitines

Calculate formula and mass of carnitines

MassCE

Calculate formula and mass of cholesterol esthers

idNEG

Lipids annotation for ESI-

idPCneg

Phosphocholines (PC) annotation for ESI-

idPConeg

Plasmanyl Phosphocholines (PCo) annotation for ESI-

idPCopos

Plasmanyl Phosphocholines (PCo) annotation for ESI+

idPCpneg

Plasmenyl Phosphocholines (PCp) annotation for ESI-

idPCpos

Phosphocholines (PC) annotation for ESI+

idPCppos

Plasmenyl Phosphocholines (PCp) annotation for ESI+

idPEneg

Phosphoethanolamines (PE) annotation for ESI-

idPEoneg

Plasmanyl Phosphoethanolamines (PEo) annotation for ESI-

idPEopos

Plasmanyl Phosphoethanolamines (PEo) annotation for ESI+

idPEpneg

Plasmenyl Phosphoethanolamines (PEp) annotation for ESI-

idPEpos

Phosphoethanolamines (PE) annotation for ESI+

idPEppos

Plasmenyl Phosphoethanolamines (PEp) annotation for ESI+

idPGneg

Phosphoglycerols (PG) annotation for ESI-

idPGpos

Phosphoglycerols (PG) annotation for ESI+

idPIneg

Phosphoinositols (PI) annotation for ESI-

idPIpos

Phosphoinositols (PI) annotation for ESI+

idPOS

Lipids annotation for ESI+

idPSneg

Phosphoserines (PS) annotation for ESI-

idSMneg

Sphingomyelines (SM) annotation for ESI-

organizeResults

Prepare output for LipidMS annotation functions

partitioning

agglomarative partitioning for LC-HRMS data based on enviPick algorith...

peakdetection

peak-pick based on previous EIC clusters generated by clustering

ploteicmsbatch

EIC for all samples in a msbatch

plotLipids

Plot informative peaks for lipid annotation

plotticmsbatch

TIC for all samples in a msbatch

readMSfile

Read mzXML file and initiate msobject

rtcorrection

Correct RT based on a rtmodel.

rtdevplot

Plot retention time deviation

searchIsotopes

Targeted isotopes search

searchIsotopesmsbatch

Targeted isotopes search for msbatch

select

Check matches between chains composition and precursor structures

setmsbatch

Create msbatch for batch processing.

sumChains

Calculate total number of carbons and double bounds of lipid chains

Lipid annotation in untargeted LC-MS lipidomics based on fragmentation rules. Alcoriza-Balaguer MI, Garcia-Canaveras JC, Lopez A, Conde I, Juan O, Carretero J, Lahoz A (2019) <doi:10.1021/acs.analchem.8b03409>.

  • Maintainer: M Isabel Alcoriza-Balaguer
  • License: GPL (>= 2)
  • Last published: 2024-05-27