An internal function that parses the motif_name and experiment subfields present in HOMER-formatted motifs.

.parse_homer_subfields(motif_tbl)

Arguments

motif_tbl

a motif_tbl constructed while running read_*_results and consequently read_motif, or a custom tibble that has the above field separators as described with columns motif_name and experiment

Value

Adds the above additional columns to an existing motif tibble returned by read_motif or read_denovo_results

Details

HOMER-formatted motifs contain three key fields:

  • motif_name human-readable name

  • experiment how the motif was identified

  • database what database the motif is from

Furthermore, each motif may contain additional information enclosed in parentheses. This includes:

  • motif_family included in the motif_name field, describes the transcription factor family.

  • accession included in the experiment field, provides the specific ID or publication of the raw/processed data.

See also