catalytic activity:S-adenosyl-L-homocysteine + H(2)O = L-homocysteine + adenosine.,cofactor:Binds 1 NAD per subunit.,cofactor:NAD.,pathway:Amino-acid biosynthesis; homocysteine biosynthesis; L-homocysteine from S-adenosyl-L-homocysteine: step 1/1.,similarity:Belongs to the adenosylhomocysteinase family.,
Cytoplasm . Microsome . Associates with membranes when phosphorylated, probably through interaction with ITPR1. .