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NetPathMiner (version 1.8.0)

rmSmallCompounds: Remove uniquitous compounds from a metabolic network

Description

This function removes uniquitous compounds (metabolites connected to numerous reactions) from a metabolic network.These compounds are reaction cofactors and currency compounds, such as ATP, CO2, etc. A path through these metabolites may not be bioloigcally meaningful. The defualt small compound list is derived from Reactome, containing keeg.compound, pubchem.compound, ChEBI and CAS identifiers.

Usage

rmSmallCompounds(graph, method = c("remove", "duplicate"), small.comp.ls = NPMdefaults("small.comp.ls"))

Arguments

graph
A metabolic network.
method
How to handle small compounds. Either simply delete these vertices "remove" (default), or make a separate vertex for each reaction they participate in "duplicate".
small.comp.ls
A list of small compounds to be used.

Value

A modified graph, with the small compounds removed or duplicated.

See Also

Other Network processing methods: expandComplexes, makeGeneNetwork; makeReactionNetwork; simplifyReactionNetwork; vertexDeleteReconnect

Examples

Run this code
data(ex_sbml)
    

    sbml.removed <- rmSmallCompounds(ex_sbml, method="remove")
    

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