| 摘要 |
PCT No. PCT/EP91/00560 Sec. 371 Date Sep. 23, 1992 Sec. 102(e) Date Sep. 23, 1992 PCT Filed Mar. 22, 1991 PCT Pub. No. WO91/14770 PCT Pub. Date Oct. 3, 1991.The invention rleates to gamma -cyclodextrin glycosyl transferases obtainable by screening bacteria for the secretion of a gamma -cyclodextrin glycosyl transferase, the bacteria are characterized and the gamma -cyclodextrin glycosyl transferase of the bacteria is purified and characterized biochemically. These enzymes can be used for the production of gamma cyclodextrin from starch.
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