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