O-acetyl-L-serine + uracil = 3-(uracil-1-yl)-L-alanine + acetate + H(+)
o-acetyl-l-serine + uracil = 3-(uracil-1-yl)-l-alanine + acetate + h(+)
"O(3)-acetyl-L-serine acetate-lyase (adding uracil)"
"o(3)-acetyl-l-serine acetate-lyase (adding uracil)"