5-phosphomethyl-dUMP in DNA + L-serine <=> 5-O-(L-seryl)-dTMP in DNA + phosphate
5-phosphomethyl-dump in dna + l-serine <=> 5-o-(l-seryl)-dtmp in dna + phosphate
5-phosphomethyl-dUMP in DNA + L-serine <=> 5-O-(L-seryl)-dTMP in DNA + phosphate
5-phosphomethyl-dump in dna + l-serine <=> 5-o-(l-seryl)-dtmp in dna + phosphate