label: a 5'-end L-tyrosylphosphate-2'-deoxynucleoside-DNA + H2O <=> a 5'-end 5'-phospho-2'-deoxyribonucleoside-DNA + L-tyrosine + H(+)
label_lc: a 5'-end l-tyrosylphosphate-2'-deoxynucleoside-dna + h2o <=> a 5'-end 5'-phospho-2'-deoxyribonucleoside-dna + l-tyrosine + h(+)