R7


<i>S</i>-adenosyl-L-methionine
S-adenosyl-L-methionine
precorrin-3B
precorrin-3B
H<SUP>+</SUP>
(2) H+
<i>S</i>-adenosyl-L-homocysteine
S-adenosyl-L-homocysteine
precorrin-4
precorrin-4




Databases
MetaCyc:  2.1.1.131-RXN
RHEA:  12764
KEGG:  R05180