wrap-blast has no data for 2 of the selected datasets, therefore these datasets are removed from selection
UCSC hg38 7way knownCanonical-exonNuc,
UCSC hg38 20way knownCanonical-exonNuc
UCSC hg38 7way knownCanonical-exonNuc,
UCSC hg38 20way knownCanonical-exonNuc