annotate_domains        Annotate protein sequences with domains used
                        for TF classification
classify_tfs            Identify TFs and classify them in families
get_tf_counts           Get TF frequencies for each species as a
                        'SummarizedExperiment' object
gsu                     Protein sequences of the algae species
                        Galdieria sulphuraria
gsu_annotation          Domain annotation for the algae species
                        Galdieria sulphuraria The data set was created
                        using the function 'annotate_domains()'.
hmmer_is_installed      Check if HMMER is installed
planttfclass_scheme     Correspondence table between TAPscan and
                        Plant-TFClass
planttfdb_scheme        Data frame of PlantTFDB's TF family
                        classification scheme
tap_class               Classes of transcription-associated proteins
                        (TAPs) in TAPscan
tapscan_scheme          Data frame of TAPscan's classification scheme
