label: 3'-deoxy-3',4'-didehydro-CTP + 5'-deoxyadenosine + L-methionine + A + H2O + H(+) => CTP + AH2 + S-adenosyl-L-methionine
label_lc: 3'-deoxy-3',4'-didehydro-ctp + 5'-deoxyadenosine + l-methionine + a + h2o + h(+) => ctp + ah2 + s-adenosyl-l-methionine