Sherman and Shalloway
Process for producing S-adenosyl-L-homocysteine
 S-adenosyl-L-homocysteine is produced by contacting adenosine with D-homocysteine in an aqueous medium in the presence of cells or treated cells of a microorganism of the genus Pseudomonas having the ability to racemize D-homocysteine to DL-homocysteine and in the presence of S-adenosyl-L-homocysteine hydrolase, to synthesize S-adenosyl-L-homocysteine, and thereafter collecting it. 
Nippon Zeon Co., Ltd.
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Hideaki Shozo Sakayu
Yamada Shiozaki Shimizu