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US 11,236,319 B2Granted
Beta-lactamases with improved properties for therapy
AssigneeSynthetic Biologies, Inc.
InventorsMichael Kaleko, Sheila Connelly
Life of this patent
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Abstract
This invention relates to, in part, compositions of beta-lactamases and methods of using these enzymes in, for example, gastrointestinal tract (GI tract) disorders such as C. difficile infection (CDI).
Claims12
A beta-lactamase comprising an amino acid sequence having at least 98% sequence identity with SEQ ID NO:
- 1 and a mutation at all of positions 232, 237, 238, and 240, according to Ambler classification.
A method for preventing an antibiotic-induced adverse effect in the gastrointestinal (GI) tract, comprising administering an effective amount of a beta-lactamase to a patient in need thereof, wherein the beta-lactamase comprises an amino acid sequence having at least 98% sequence identity with SEQ ID NO:
- 1 and a mutation at all of positions 232, 237, 238, and 240, according to Ambler classification.
Dependencies are inferred from the claim text.