The central PSICQUIC server has only one purpose: to return a list of, and metadata about, the currently "live" PSICQUIC-compliant MI-QL websites. A list of these providers by the PSICQUIC object you create, and is returned by this method.
## S4 method for signature 'PSICQUIC' providers(object)
A list of character strings, short readable names for the providers, e.g., "BioGrid", "IntAct".
interactions, rawQuery, addGeneInfo, IDMapper, interactionTypes, detectionMethods, speciesIDs