The enzymatic synthesis of S-adenosyl-L-homocysteine from adenosine and homocysteine.
D000241:Adenosine; D003545:Cysteine / Q000031:analogs & derivatives; D006710:Homocysteine
D006710:Homocysteine; D000241:Adenosine; D003545:Cysteine
ADENOSINE; CYSTEINE/related compounds