label: dehypoxanthine futalosine + S-adenosyl-L-methionine <=> cyclic dehypoxanthinylfutalosinate + 5'-deoxyadenosine + L-methionine + H(+)
label_lc: dehypoxanthine futalosine + s-adenosyl-l-methionine <=> cyclic dehypoxanthinylfutalosinate + 5'-deoxyadenosine + l-methionine + h(+)