preferred_name: Addition of the third nucleotide on the nascent transcript (Caenorhabditis elegans)
preferred_name_lc: addition of the third nucleotide on the nascent transcript (caenorhabditis elegans)
label: Addition of the third nucleotide on the nascent transcript (Caenorhabditis elegans)
label_lc: addition of the third nucleotide on the nascent transcript (caenorhabditis elegans)