label: a 3'-end 2'-deoxyribonucleotide 3'-phosphate-DNA + GMP + 2 H(+) => a 3'-end 2'-deoxyribonucleotide-3'-diphospho-5'-guanosine-DNA + H2O
label_lc: a 3'-end 2'-deoxyribonucleotide 3'-phosphate-dna + gmp + 2 h(+) => a 3'-end 2'-deoxyribonucleotide-3'-diphospho-5'-guanosine-dna + h2o