Is predicted to encode a protein with the following domains: S-adenosyl-L-homocysteine hydrolase, NAD binding domain; NAD(P)-binding domain superfamily; Adenosylhomocysteinase-like; Adenosylhomocysteinase-like superfamily; and S-adenosyl-L-homocysteine hydrolase. Is an ortholog of C. elegans ahcy-1.