getParticipants {ReactomeContentService4R} | R Documentation

## Participants related queries

### Description

Data in Reactome are organized in a hierarchical manner - Pathways contain Reactions, Reactions contain PhysicalEntities. This function is to get the participants of a given Event.

### Usage

    getParticipants(
      event.id,
      retrieval = c("AllInstances", "PhysicalEntities", "ReferenceEntities",
        "EventsInPathways")
    )

### Arguments

`event.id` | a stable or db id of an Event (pathways and reactions)
`retrieval` | participants to be retrieved, including "AllInstances", "PhysicalEntities", "ReferenceEntities", "EventsInPathways"

### Details

Details on options of `retrieval` arg:

- AllInstances: retrieves all participants (PhysicalEntities) from a given Event and their ReferenceEntities

- PhysicalEntities: retrieves all the PhysicalEntities that take part in a given Event

- ReferenceEntities: retrieves the ReferenceEntities for all PhysicalEntities in every constituent Pathway/Reaction

- EventsInPathways: recursively retrieves all the Events contained in any given Event

### Value

a dataframe containing requested participants

### See Also

Other getContent: `getEntities()`, `getEventsHierarchy()`, `getOrthology()`, `getPathways()`, `getPerson()`, `getSchemaClass()`, `getSpecies()`, `query()`

### Examples

    getParticipants("R-HSA-6804741", "AllInstances")
    getParticipants("R-HSA-69306", "EventsInPathways")

[Package ReactomeContentService4R version 1.2.0 Index]