preferred_name: RNA Polymerase II Promoter Opening: First Transition (Mus musculus)
preferred_name_lc: rna polymerase ii promoter opening: first transition (mus musculus)
label: RNA Polymerase II Promoter Opening: First Transition (Mus musculus)
label_lc: rna polymerase ii promoter opening: first transition (mus musculus)