label: a 3'-end 2'-deoxyribonucleotide-DNA + a 2'-deoxyribonucleoside 5'-phosphate + H(+) => a 3'-end 2'-deoxyribonucleotidyl-deoxyribonucleotide-DNA + H2O
label_lc: a 3'-end 2'-deoxyribonucleotide-dna + a 2'-deoxyribonucleoside 5'-phosphate + h(+) => a 3'-end 2'-deoxyribonucleotidyl-deoxyribonucleotide-dna + h2o