Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: EC:3.1.30.2 (endonuclease)
18,621 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

The gene for beta-amylase was isolated from Bacillus polymyxa by molecular cloning in B. subtilis. B. subtilis cells containing this gene express and secrete an amylase which resembles the B. polymyxa beta-amylase and barley beta-amylase in terms of the products it generates during carbohydrate hydrolysis. Starch hydrolysis with this beta-amylase produces maltose, not glucose, whereas maltotriose and cycloheptaose are resistant to the action of this beta-amylase. The enzyme has a molecular weight of approximately 68,000. Restriction endonuclease mapping demonstrated that the DNA inserted in pBD64 and containing the gene is approximately 3 kilobases in length.
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PMID:Cloning and characterization of the beta-amylase gene from Bacillus polymyxa. 241 10